*TM 1-1680-377-13&P-1 T.O. 14P3-4-201 NAVAIR 13-1-6.7-3-1 TECHNICAL MANUAL OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST FOR ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 (EIC: H7A) HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P PART NO. 1680-ALSE-101-6 NSN 8415-01-394-6474 PART NO. 1680-ALSE-101-5 NSN 8415-01-394-8035 PART NO. 1680-ALSE-101-4 NSN 8415-01-394-8034 PART NO. 1680-ALSE-101-3 NSN 8415-01-394-8036 PART NO. 1680-ALSE-101-2 NSN 8415-01-394-8033 PART NO. 1680-ALSE-101-1 NSN 8415-01-394-8032 (EIC: NA) HGU-56/P WITH CEP PART NO. 1680-ALSE-101-12 NSN 8415-01-522-5364 PART NO. 1680-ALSE-101-11 NSN 8415-01-522-5348 PART NO. 1680-ALSE-101-10 NSN 8415-01-522-5347 PART NO. 1680-ALSE-101-9 NSN 8415-01-522-5344 PART NO. 1680-ALSE-101-8 NSN 8415-01-522-5339 PART NO. 1680-ALSE-101-7 NSN 8415-01-522-5310 (EIC: NA) PRIMARY SURVIVAL GEAR CARRIER (PSGC) PART NO. 1005804-5 NSN 8415-01-513-8143 (EIC: NA) BODY ARMOR OVERLAY SYSTEM (BAOS) PART NO. 1028611-1 (EIC: NA)
*TM 1-1680-377-13&P-1 dated 23 March 2012 supersedes TM 1-1680-377-13&P-1 dated 09 October 2009, including all changes. DISTRIBUTION STATEMENT C – Distribution authorized to U.S. Government agencies and their contractors to protect technical or operational information.to protect critical technology This determination was made on 2 January 2002. Other requests for this document will be referred to: Department of the Army, Program Executive Office, Aviation, Air Warrior, ATTN: SFAE-SDR-AW, Redstone Arsenal, Alabama 35898. DESTRUCTION NOTICE – Destroy by any method that will prevent disclosure of contents or reconstruction of the document.
HEADQUARTERS, DEPARTMENT OF THE ARMY 23 MARCH 2012
TM 1-1680-377-13&P-1
WARNING SUMMARY This warning summary contains safety warnings that must be understood and applied during operation and maintenance of the Air Warrior system. Failure to observe these warnings could result in serious injury or death to personnel. For information concerning First Aid refer to FM 4-25.11. AIRCREW INTEGRATED HELMET SYSTEM (AIHS) WARNINGS The following warnings are for the Air Warrior Aircrew Integrated Helmet System (AIHS).
WARNING When donning helmet, ensure that nape strap pad is completely pulled down and that the keeper tab is taut. Failure to do so will decrease helmet stability and may cause injury to the wearer.
WARNING
• •
Do not force the earplug into the ear. This may cause the foam tip to be pushed back, exposing the plastic tube inside. This will diminish hearing protection and may cause injury to the ear canal. Ensure that the proper foam tip is attached to each earplug before inserting the earplug into the ear. If proper foam tip is not attached to each earplug, may cause injury to the ear canal.
WARNING Ensure that the volume level of the audio sent to the CEP is reduced. Damage to the wearer’s ears may result if the volume level is not reduced.
WARNING ALWAYS wear the helmet with the chin-strap properly attached and adjusted. Failure to secure the chin strap will decrease helmet stability and may cause injury to the wearer.
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TM 1-1680-377-13&P-1
WARNING SUMMARY – Continued WARNING (FOR LASER-PROTECTIVE VISORS) Due to serious limitations imposed by the laser-protective visors on visual acuity outside the aircraft as well as on flight displays within the cockpit, the laser-protective visors will only be used when actual laser hazards exist. For day or night VFR flights at altitudes below low-level flight, the pilot will analyze the current situation and decide whether flight should continue with laser-protective devices in use. Considerations include local laser hazards, ambient light levels, and terrain. Approval for use must be annotated on the flight crew’s mission brief. The dark (bronze) laser-protective visors are not compatible with aircraft or ground support night lighting and are not safe for twilight or night flights. DO NOT USE THE BRONZE LASERPROTECTIVE VISORS DURING TWILIGHT OR AT NIGHT. The bronze laser-protective visors will change the appearance of and possibly eliminate some red and/or green light sources. Testing indicates that some red lights take on an orange hue, some cockpit warning lights are difficult to read though still visible, and some cockpit gauges are illegible. DO NOT USE THE BRONZE LASER-PROTECTIVE VISORS FOR IFR FLIGHT. The light (green) laser-protective visors will change the appearance of and possibly eliminate some red light sources. Testing indicates that some red lights take on an orange hue, some cockpit warning lights are difficult to read though still visible, the distance some exterior red lights are visible is reduced, and red cockpit map light are virtually unusable. USE EXTRA CAUTION AT NIGHT. Do not attempt to use more than one laser visor at a time. Use of multiple laser filtering visors will not permit adequate vision to perform the required tasks. If laser hazard occurs, do not stare at the laser source. Some lasers have secondary wavelengths that may cause eye damage; the laser-protective visors may not filter these wavelengths. The laser-protective visors are not intended to protect against broad-spectrum bright light. Do not use the laser-protective visors to view solar eclipses, electric welding equipment, or other potentially eye-damaging light sources. Do not use the laser-protective visors as a substitute for other types of laser eye protection. During maintenance or servicing of specific types of laser systems, wear correct eye protection as specified in the appropriate technical manual. The laser-protective visors reduce ambient light levels available to the eye. Allow eyes to accommodate to reduced light before operations at dusk or dawn.
WARNING When using the anti-fogging solution described below, avoid getting the liquid solution into the eyes. Solution will irritate and may burn the eyes. In case of eye contact, flush with fresh water for 15 minutes. Contact physician if irritation persists. See package for other directions. b
TM 1-1680-377-13&P-1
WARNING SUMMARY – Continued WARNING Do not repair or use any helmet that is damaged beyond the limits set forth in the PMCS charts. Injury or death may result if you do.
WARNING Do not remove any plastic layer form the lining, helmet, shock (TPL). Removal of plastic layers will result in decreased helmet stability and may cause injury or death. Do not add loose plastic layers to the lining, helmet, shock (TPL). Adding loose plastic layers will result in decreased helmet stability and may cause injury or death.
WARNING When the helmet shell is drilled, the drill bit may penetrate the shell very quickly. To avoid injury, keep hands away from the inside of the helmet when drilling.
WARNING
• •
Wear eye-protective goggles when drilling holes in helmet to prevent eye injury. When drilling helmet, use the 2x4 block of wood to prevent hand injury.
WARNING
• •
Wear eye-protective goggles when trimming the MFS, chips from the MFS may injure the eyes. Wear a respirator when trimming the MFS, harmful airborne particles may be inhaled.
WARNING Exercise care when using the soldering gun, burns can cause serious burns or death.
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TM 1-1680-377-13&P-1
WARNING SUMMARY – Continued WARNING Chin strap must be adjusted securely under the Operator/Wearer’s chin at all times when the helmet is worn. DO NOT allow the oxygen mask to be placed between the strap and the Operator/Wearer’s chin; warn the Operator/Wearer not to fasten the chin strap over the oxygen mask. Failure to heed this warning will result in a loss of helmet stability and may cause injury to the Operator/Wearer.
WARNING To minimize health risks and safety concerns, always wear eye protective goggles and a respirator (and appropriate protective clothing when sanding, mixing or spraying primer or paint.
WARNING Do not position the tap connectors between the earphone element and earcup wall, doing so could affect lateral impact protection.
WARNING It is imperative that each crewmember is familiar with the donning, fitting, care, and operation of the CEP system used in the aircraft. Failure to complete the following procedures could result in personal injury to the crewmember.
WARNING To prevent injury to the ears, turn the volume settings of your ICS radio to a lower position before you plug your helmet into the communication system. From the low, volume setting, raise volume and adjust to desired level.
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TM 1-1680-377-13&P-1
WARNING SUMMARY – Continued PRIMARY SURVIVAL GEAR CARRIER (PSGC) WARNINGS The following warnings are for the Air Warrior Primary Survival Gear Carrier (PSGC).
WARNING Utilization of PSGC Leg Straps is Mandatory. Failure to properly secure leg straps will degrade the PSGC extraction/restraint capabilities and may result in serious personal injury.
WARNING Do not place survival items on the back, aligned with the spine of the wearer, this may cause spinal injuries during a crash sequence.
WARNING In a Nuclear, Biological, and Chemical (NBC) environment, DO NOT use water or attempt to drink from the water storage bag. DESTROY the bag and contents. It CANNOT be decontaminated.
WARNING Ensure familiarity with medicine dosing prior to takeoff. Unfamiliarity of medication can cause injury to crewmember.
WARNING Safety Restraint Tether (SRT) is for external attachment to helicopter only. The SRT is not rated for hoisting, crewmember may be injured.
WARNING Do not point a loaded launcher at personnel. Distress flares burn at a temperature of 5000 degrees F and can cause serious burns or death. e
TM 1-1680-377-13&P-1
WARNING SUMMARY – Continued WARNING
• • • •
•
Never approach an operating rotary-wing aircraft from the rear! Death or severe injury could occur if the pilot does not see you and rotates the aircraft. Always approach an operating aircraft from the front or side and only when signaled to do so by the pilot or crewmember. Minimize exposure to the front of any weapons systems. Pilots must take into consideration lateral center of gravity (CG) when attempting any externally carried rescue. Pilot must retain enough cyclic force to counter the weight of the rescuee. Externally carried rescues will be flown the shortest practical distance to remove the rescuee from immediate extreme danger. Pilots should limit forward airspeed to 60 knots and only exceed this speed if required by the tactical situation. Pilots/crew should monitor the status of the rescuee. If the rescue falls from his/her seating he/she will be retained by the SRT, however the rescuee’s lower body/legs may be lower than the landing gear. Ensure he/she is clear of the landing gear before landing. The Safety Restraint Tether is ONLY FOR USE IN EMERGENCY SITUATIONS and must be kept in serviceable condition. Aircrew practice of SRT attachment to the aircraft will be limited to nonoperating aircraft, parked in an approved landing or tiedown area. The SRT is intended to be used with the extraction harness of the AIRSAVE and PSGC (or the SARVIP and the SRU-21/P when modified with extraction harness). Use with other systems may result in injury. The Safety Restraint Tether has a rated strength of 3000 pounds and an one-time pull test strength of 5000 pounds. Do not use the tether if any of the bar tacks is loose, frayed, or missing. Do not use the tether if the nylon webbing is worn, frayed, cut, or has been soaked by POL (Petroleum, Oil Lubricant) products. Turn it in and get a new tether.
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TM 1-1680-377-13&P-1 T.O. 14P3-4-201 NAVAIR 13-1-6.7-3-1 HEADQUARTERS DEPARTMENT OF THE ARMY Washington, D.C., 23 March 2012
TECHNICAL MANUAL OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST FOR PART NO. 1005802-1
ENSEMBLE NSN 1680-01-510-1596 (EIC: H7A)
HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P PART NO. 1680-ALSE-101-6 NSN 8415-01-394-6474 PART NO. 1680-ALSE-101-5 NSN 8415-01-394-8035 PART NO. 1680-ALSE-101-4 NSN 8415-01-394-8034 PART NO. 1680-ALSE-101-3 NSN 8415-01-394-8036 PART NO. 1680-ALSE-101-2 NSN 8415-01-394-8033 PART NO. 1680-ALSE-101-1 NSN 8415-01-394-8032 (EIC: NA) HGU-56/P WITH CEP PART NO. 1680-ALSE-101-12 NSN 8415-01-522-5364 PART NO. 1680-ALSE-101-11 NSN 8415-01-522-5348 PART NO. 1680-ALSE-101-10 NSN 8415-01-522-5347 PART NO. 1680-ALSE-101-9 NSN 8415-01-522-5344 PART NO. 1680-ALSE-101-8 NSN 8415-01-522-5339 PART NO. 1680-ALSE-101-7 NSN 8415-01-522-5310 (EIC: NA) PRIMARY SURVIVAL GEAR CARRIER (PSGC) PART NO. 1005804-5 NSN 8415-01-513-8143 (EIC: NA) BODY ARMOR OVERLAY SYSTEM (BAOS) PART NO. 1028611-1 (EIC: NA) REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS You can improve this manual. If you find mistakes or if you know of a way to improve procedures, please let us know. Mail you letter or DA Form 2028 (Recommended Changes to Publications and Blank Forms) located at the back of this manual, directly to: Commander, U.S. Army Aviation and Missile Command, ATTN: AMSAM-MMA-NP, Redstone Arsenal, AL 35898-5000. A reply will be furnished to you. You may also provide DA Form 2028 information to AMCOM via e-mail, fax or the World Wide Web. Our fax number is: DSN 788-6546 or Commercial (256) 842-6546. Our e-mail address is
[email protected]. Instructions for sending an electronic 2028 may be found at the back of this bulletin immediately preceding the hard copy 2028. For the World Wide Web use: https://amcom2028.redstone.army.mil.
CURRENT AS OF 23 MARCH 2012 *TM 1-1680-377-13&P-1 dated 23 March 2012 supersedes TM 1-1680-377-13&P-1 dated 09 October 2009, including all changes. DISTRIBUTION STATEMENT C – Distribution authorized to U.S. Government agencies and their contractors to protect technical or operational information. to protect critical technology This determination was made on 2 January 2002. Other requests for this document will be referred to: Department of the Army, Program Executive Office, Aviation, Air Warrior, ATTN: SFAE-SDR-AW, Redstone Arsenal, Alabama 35898. DESTRUCTION NOTICE – Destroy by any method that will prevent disclosure of contents or reconstruction of the document.
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TABLE OF CONTENTS WP Sequence No.
WARNING SUMMARY, Vol 1 HOW TO USE THIS MANUAL ENSEMBLE CHAPTER 1 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 1 GENERAL INFORMATION, Vol 1 ............................................................................. ..........................0001 00 EQUIPMENT DESCRIPTION AND DATA, Vol 1 ....................................................... ..........................0002 00 CHAPTER 2 – OPERATOR INSTRUCTIONS , Vol 1 CONTROL AND INDICATORS, Vol 1..................................................................................................0003 00 OPERATION UNDER USUAL CONDITIONS, Vol 1............................................................................0004 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 1.......................................................................0005 00 CHAPTER 3 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 1 AIR WARRIOR ENSEMBLE SUBASSEMBLIES, Vol 1.......................................................................0006 00 CHAPTER 4 – SUPPORTING INFORMATION, Vol 1 REFERENCES, Vol 1..........................................................................................................................0007 00 SUPPORT ITEMS, Vol 1........................................................................................... ..........................0008 00 HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) CHAPTER 5 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 1 GENERAL INFORMATION, Vol 1 ............................................................................. ..........................0009 00 DESCRIPTION AND DATA, Vol 1........................................................................................................0010 00 THEORY OF OPERATION, Vol 1.............................................................................. ..........................0011 00 CHAPTER 6 – OPERATOR INSTRUCTIONS , Vol 1 CONTROLS AND INDICATORS, Vol 1 ..................................................................... ..........................0012 00 OPERATION UNDER USUAL CONDITIONS FOR DONNING/REMOVING HELMET, Vol 1 ................................................................................................. ..........................0013 00 OPERATION UNDER USUAL CONDITIONS FOR CEP-EQUIPPED HELMETS ONLY, Vol 1.................................................................................................................................0014 00 OPERATION UNDER USUAL CONDITIONS FOR COMMUNICATION ENHANCEMENT AND PROTECTION SYSTEM (CEPS), Vol 1.................................................0015 00 OPERATION UNDER USUAL CONDITIONS FOR HELMET ADJUSTMENTS, Vol 1...............................................................................................................0016 00 OPERATION UNDER USUAL CONDITIONS FOR HELMET EQUIPMENT, Vol 1 .... ..........................0017 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 1.......................................................................0018 00 CHAPTER 7 – OPERATOR TROUBLESHOOTING PROCEDURES, Vol 1 OPERATOR TROUBLESHOOTING, Vol 1 ............................................................... ..........................0019 00 CHAPTER 8 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 1 UNIT TROUBLESHOOTING, Vol 1.....................................................................................................0020 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 9 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 1 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION, Vol 1..............................................................................................................0021 00 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 1.............................................................................................................................0022 00 CLEANING, Vol 1................................................................................................................................0023 00 CHAPTER 10 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 1 SERVICE UPON RECEIPT OF MATERIEL, Vol 1...............................................................................0024 00 HELMET SIZING, Vol 1.......................................................................................................................0025 00 FITTING PROCEDURE, Vol 1.............................................................................................................0026 00 FITTING PROCEDURE WITH M45 CB MASK, Vol 1 ................................................ ..........................0027 00 CUSTOM FITTING THERMOPLASTIC LINER (TPL), Vol 1................................................................0028 00 SIZING AND FITTING PROCEDURES FOR ZETA II LINER, Vol 1........................... ..........................0029 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION, Vol 1..............................................................................................................0030 00 AVIATION UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 1.............................................................................................................................0031 00 THERMOPLASTIC LINER (TPL) REMOVAL AND INSTALLATION, Vol 1 ................ ..........................0032 00 BROW PAD M45 REPLACEMENT, Vol 1.................................................................. ..........................0033 00 ZETA II LINER REMOVAL, INSPECTION AND REPLACEMENT, Vol 1..............................................0034 00 ENERGY ABSORBING LINER (EAL) REMOVAL AND INSTALLATION, Vol 1....................................0035 00 RETENTION ASSEMBLY REMOVAL AND INSTALLATION, Vol 1 ........................... ..........................0036 00 EARCUP ASSEMBLY WITHOUT CEP, Vol 1 ............................................................ ..........................0037 00 CAP PLUG, PROTECTIVE REMOVAL AND INSTALLATION, Vol 1 ......................... ..........................0038 00 DUAL VISOR ASSEMBLY REMOVAL AND INSTALLATION, Vol 1.....................................................0039 00 ANVIS MOUNT ON DUAL VISOR ASSEMBLY INSTALLATION, Vol 1................................................0040 00 MICROPHONE AND SWIVEL ASSEMBLY, BOOM (SAB) REMOVAL AND INSTALLATION, Vol 1.................................................................................................................0041 00 COMMUNICATIONS ASSEMBLY WITHOUT CEP REMOVE AND REPLACE, Vol 1...........................0042 00 MAXILLOFACIAL SHIELD (MFS) INSTALLATION AND REPLACEMENT, Vol 1 ...... ..........................0043 00 MIKE LITE (LIP LIGHT) REMOVAL AND INSTALLATION, Vol 1............................... ..........................0044 00 LIP LIGHT BATTERY HOLDER INSTALLATION, Vol 1.......................................................................0045 00 OXYGEN MASK RETENTION STRAP INSTALLATION, Vol 1............................................................0046 00 OXYGEN MASK BAYONET RECEIVERS INSTALLATION, Vol 1.......................................................0047 00 CEP MODIFICATION KIT (NON CEP-EQUIPPED HELMETS ONLY) INSTALLATION, Vol 1.................................................................................................................0048 00 CEPS INSTALLATION, Vol 1...............................................................................................................0049 00 NASAL CANNULA MOUNTING CLIP INSTALLATION, Vol 1..............................................................0050 00 COMMUNICATIONS ASSEMBLY WITH CEP REMOVE AND REPLACE, Vol 1.................................0051 00 REPLACING COBRA VISOR MODULE WITH STANDARD DUAL VISOR ASSEMBLY, Vol 1.......................................................................................................................0052 00 COBRA DUAL VISOR MODULE REMOVAL, ASSEMBLY AND INSTALLATION, Vol 1.................................................................................................................0053 00 COBRA DUAL VISOR REMOVAL AND INSTALLATION, Vol 1................................. ..........................0054 00 REMOVING STANDARD HEADSET AND INSTALLING TEMPEST HEADSET, Vol 1.........................................................................................................................0055 00 EDGE BEADING REPAIR, Vol 1 ............................................................................... ..........................0056 00 iii
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TABLE OF CONTENTS – Continued WP Sequence No. TRIMMING MFS FOR ANVIS COMPATIBILITY, Vol 1.........................................................................0057 00 HELMET SHELL REPAIR AND SPOT PAINTING, Vol 1 ........................................... ..........................0058 00 INSTALLING HGU-56/P FIELD CHANGE KIT, Vol 1 ................................................. ..........................0059 00 MANUFACTURED ITEMS, Vol 1.........................................................................................................0060 00 CHAPTER 11 – SUPPORTING INFORMATION, Vol 1 REFERENCES, Vol 1..........................................................................................................................0061 00 MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION, Vol 1 .................. ..........................0062 00 MAINTENANCE ALLOCATION CHART FOR AIHS, Vol 1 ........................................ ..........................0063 00 INTRODUCTION TO REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL), Vol 1...........................0064 00 REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL), Vol 1.............................................................0065 00 Group 00 Aircrew Integrated Helmet System (AIHS)................................................................0065 00 Group 01 Helmet, Flyers..........................................................................................................0065 00 Group 0101 Helmet, Retention Assembly.......................................................... ..........................0065 00 Group 0102 Shell, Earphone Assembly ............................................................. ..........................0065 00 Group 0103 Communications System ............................................................... ..........................0065 00 Group 0104 Swivel Assembly, Boom (SAB).................................................................................0065 00 Group 0105 Dual Visor Assembly ...................................................................... ..........................0065 00 Group 02 Dual Visor Assembly, Cobra........................................................... ..........................0065 00 Group 03 Communication Enhancement and Protection System (CEPS)................................0065 00 Group 04 Hardware, Kit, Mechanic Equip ...................................................... ..........................0065 00 Group 05 Maxillofacial Shield (MFS)........................................................................................0065 00 Group 06 Lip Light....................................................................................................................0065 00 NSN INDEX, Vol 1...............................................................................................................................0066 00 PART NUMBER INDEX, Vol 1.............................................................................................................0067 00 COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS, Vol 1................................................................................................................................0068 00 ADDITIONAL AUTHORIZATION LIST (AAL), Vol 1.............................................................................0069 00 EXPENDABLE AND DURABLE ITEMS, Vol 1.....................................................................................0070 00 PRIMARY SURVIVAL GEAR CARRIER (PSGC) CHAPTER 12 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 1 GENERAL INFORMATION, Vol 1 ............................................................................. ..........................0071 00 DESCRIPTION AND DATA, Vol 1........................................................................................................0072 00 CHAPTER 13 – OPERATOR INSTRUCTIONS , Vol 1 CONTROLS AND INDICATORS FOR EXTENDED EQUIPMENT POUCH (EEP), GEN I/II, Vol 1................................................................................................... ..........................0073 00 CONTROLS AND INDICATORS FOR PSGC LEFT HAND POCKET, GEN I/II AND GEN III, Vol 1.................................................................................................... ..........................0074 00 CONTROLS AND INDICATORS FOR FIRST AID PLATFORM, GEN I/II AND GEN III, Vol 1.......................................................................................................................................0075 00 CONTROLS AND INDICATORS FOR PSGC RIGHT HAND POCKET, GEN I/II AND GEN III, Vol 1.................................................................................................... ..........................0076 00 OPERATION UNDER USUAL CONDITIONS FOR AVIATION SURVIVAL AND EGRESS KNIFE (ASEK), GEN I/II AND GEN III, Vol 1................................................................0077 00
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TABLE OF CONTENTS – Continued WP Sequence No. OPERATION UNDER USUAL CONDITIONS FOR MAGAZINE/AMMO POUCH, GEN I/II AND GEN III, Vol 1.........................................................................................................0078 00 OPERATION UNDER USUAL CONDITIONS FOR DONNING PSGC, GEN I/II, Vol 1......................................................................................................................................0079 00 OPERATION UNDER USUAL CONDITIONS FOR DONNING PSGC, GEN III, Vol 1...........................0080 00 OPERATION UNDER USUAL CONDITIONS FOR PISTOL HOLSTER RIGGING, GEN III, Vol 1.................................................................................................... ..........................0081 00 OPERATION UNDER USUAL CONDITIONS FOR CYCLIC SWEEP, GEN I/II AND GEN III, Vol 1.................................................................................................... ..........................0082 00 OPERATION UNDER USUAL CONDITIONS FOR AIRCREW RESTRAINT ASSEMBLY, GEN I/II AND GEN III, Vol 1.......................................................... ..........................0083 00 OPERATION UNDER USUAL CONDITIONS FOR INSERTION AND EXTRACTION OPERATIONS, GEN III, Vol 1.....................................................................................................0084 00 OPERATION UNDER USUAL CONDITIONS FOR EXTENDED EQUIPMENT POCKET (EEP), GEN I/II, Vol 1 ........................................................................ ..........................0085 00 OPERATION UNDER USUAL CONDITIONS FOR FIRST AID PLATFORM, GEN I/II AND GEN III, Vol 1.................................................................................................................0086 00 OPERATION UNDER USUAL CONDITIONS FOR RIGHT HAND POCKET ASSEMBLY, GEN I/II AND GEN III, Vol 1.......................................................... ..........................0087 00 OPERATION UNDER UNUSUAL CONDITIONS FOR AIRCREW EXTRACTION, GEN I/II AND GEN III, Vol 1.........................................................................................................0088 00 OPERATION UNDER UNUSUAL CONDITIONS FOR SAFETY RESTRAINT TETHER (SRT), GEN I/II AND GEN III, Vol 1.................................................... ..........................0089 00 CHAPTER 14 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 1 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES PROCEDURES INTRODUCTION, Vol 1....................................................................................0090 00 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES, GEN I/II AND III, Vol 1 .................................................................................................... ..........................0091 00 CLEANING PROCEDURES, GEN I/II AND GEN III, Vol 1...................................................................0092 00 CHAPTER 15 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 1 UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES PROCEDURES INTRODUCTION, Vol 1..............................................................................................................0093 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, GEN I/II AND III, Vol 1 . ..........................0094 00 PSGC FITTING, GEN I/II, Vol 1................................................................................. ..........................0095 00 PSGC FITTING, GEN III, Vol 1.................................................................................. ..........................0096 00 BODY ARMOR OVERLAY SYSTEM (BAOS) FITTING, Vol 1................................... ..........................0097 00 BASTING STITCH ADJUSTMENT, GEN I/II AND GEN III, Vol 1 ............................... ..........................0098 00 PSGC AND COMPONENTS REPAIR, Vol 1 ............................................................. ..........................0099 00 PSGC REPLACEMENT, Vol 1.............................................................................................................0100 00 PSGC FLASHLIGHT POUCH DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II AND GEN III, Vol 1............................................................................0101 00 PSGC RADIO POUCH DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II AND GEN III, Vol 1.......................................................... ..........................0102 00 AWIS DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN III, Vol 1.......................................................................................................................................0103 00
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TABLE OF CONTENTS – Continued WP Sequence No. PSGC SIGNALING PLATFORM DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II, Vol 1 ...................................................................... ..........................0104 00 PSGC SIGNALING PLATFORM DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN III, Vol 1 ....................................................................... ..........................0105 00 SAFETY RESTRAINT TETHER DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II AND GEN III, Vol 1............................................................................0106 00 PSGC FIRST AID PLATFORM DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II AND GEN III, Vol 1............................................................................0107 00 EXTENDED EQUIPMENT POUCH (EEP) DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II, Vol 1.....................................................................0108 00 LEFT AND RIGHT FRONT PSGC POCKETS, REMOVE AND REPLACEMENT, GEN I/II, Vol 1................................................................................................... ..........................0109 00 PSGC TOURNIQUET POUCH DISASSEMBLY, INSPECTION, REPLACEMENT AND ASSEMBLY, GEN I/II and GEN III, Vol 1 ................................................... ..........................0110 00 ADAPTER PLATFORM INSTALLATION, GEN III, Vol 1............................................ ..........................0111 00 FIRST AID PLATFORM LH POCKET EXTENSION REPLACEMENT, GEN I/II AND GEN III, Vol 1.................................................................................................... ..........................0112 00 PSGC FIRST AID PLATFORM ELASTIC KEEPER REPLACEMENT, GEN I/II AND GEN III, Vol 1.................................................................................................... ..........................0113 00 BINDING TAPE REPAIR, Vol 1............................................................................................................0114 00 HOOK AND PILE FASTENER TAPE REPLACEMENT, Vol 1.................................... ..........................0115 00 PSGC POCKET ZIPPER REPLACEMENT, GEN I/II AND GEN III, Vol 1.............................................0116 00 POCKET PULL TABS, REPAIR AND REPLACEMENT, GEN I/II AND GEN III, Vol 1...........................0117 00 BEAD SLIDER PULL REPLACEMENT, GEN I/II AND GEN III, Vol 1......................... ..........................0118 00 SNAP FASTENER REPAIR AND REPLACEMENT, Vol 1 ......................................... ..........................0119 00 DEFECTIVE GROMMET REPLACEMENT, Vol 1 ..................................................... ..........................0120 00 4-GROMMET TAB REPLACEMENT, Vol 1 ............................................................... ..........................0121 00 EEP CONNECTOR STRAP REPAIR AND REPLACEMENT, Vol 1.....................................................0122 00 POUCH RETAINING STRAP FABRICATION, Vol 1............................................................................0123 00 STRAP END KEEPER FABRICATION, Vol 1............................................................ ..........................0124 00 TORSO STRAP, LEFT UPPER OR LOWER, REPAIR AND REPLACEMENT, Vol 1. ..........................0125 00 LEG STRAP ASSEMBLY, REMOVE AND REPLACEMENT, Vol 1......................................................0126 00 LEG STRAP PAD REPAIR, GEN III, Vol 1 ................................................................. ..........................0127 00 GENERAL VACUUM-SEAL PLASTIC BAG ASSEMBLY INSTRUCTIONS, Vol 1...............................0128 00 BOWLINE KNOT TYING INSTRUCTIONS, Vol 1................................................................................0129 00 MODIFICATION OF AIR WARRIOR PRIMARY SURVIVAL GEAR CARRIER (PSGC), GEN II/III, Vol 1.............................................................................................................0130 00 CHAPTER 16 – SUPPORTING INFORMATION, Vol 1 REFERENCES, Vol 1..........................................................................................................................0131 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 1 .................. ..........................0132 00 MAINTENANCE ALLOCATION CHART FOR THE PSGC, Vol 1.........................................................0133 00 INTRODUCTION TO RPSTL, Vol 1.....................................................................................................0134 00
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TABLE OF CONTENTS – Continued WP Sequence No. REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL), Vol 1.............................................................0135 00 Group 00 Primary Survival Gear Carrier, GEN I/II .......................................... ..........................0135 00 Group 01 Primary Survival Gear Carrier (PSGC), GEN III........................................................0135 00 Group 02 Body Armor Overlay System (BAOS)............................................. ..........................0135 00 Group 03 Extended Equipment Pouch (EEP) Components, GEN I/II............. ..........................0135 00 Group 04 PSGC/BAOS First Aid Components.........................................................................0135 00 Group 05 PSGC/BAOS Signaling Components............................................. ..........................0135 00 Group 06 PSGC/BAOS Additional Components............................................ ..........................0135 00 Group 07 Knife System............................................................................................................0135 00 Group 08 Holster Assembly, GEN III.............................................................. ..........................0135 00 NSN INDEX, Vol 1...............................................................................................................................0136 00 PART NUMBER (P/N) INDEX, Vol 1....................................................................................................0137 00 ADDITIONAL AUTHORIZATION LIST (AAL), Vol 1.............................................................................0138 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 1.............................................................................0139 00 Volume 2 WARNING SUMMARY, Vol 2 HOW TO USE THIS MANUAL, Vol 2 RADIO SET (AN/PRC-90) CHAPTER 17 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 2 GENERAL INFORMATION, Vol 2 ............................................................................. ..........................0140 00 DESCRIPTION AND DATA, Vol 2........................................................................................................0141 00 CHAPTER 18 – OPERATOR INSTRUCTIONS , Vol 2 CONTROLS AND INDICATORS, Vol 2 ..................................................................... ..........................0142 00 OPERATION UNDER USUAL CONDITIONS, Vol 2............................................................................0143 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 2.......................................................................0144 00 CHAPTER 19 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 2 OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURE, Vol 2..... ..........................0145 00 CHAPTER 20 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 2 SERVICE UPON RECEIPT, Vol 2 ............................................................................. ..........................0146 00 TOOLS AND EQUIPMENT, Vol 2.............................................................................. ..........................0147 00 PMCS PROCEDURES INTRODUCTION, Vol 2 ....................................................... ..........................0148 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (ARMY ONLY), Vol 2..............................0149 00 UNIT MAINTENANCE INSTRUCTIONS, Vol 2 ......................................................... ..........................0150 00 CHAPTER 21 – AVIATION INTERMEDIATE MAINTENANCE INSTRUCTIONS, Vol 2 AVIM MAINTENANCE OF AN/PRC-90, Vol 2......................................................................................0151 00 CHAPTER 22 – SUPPORTING INFORMATION, Vol 2 REFERENCES, Vol 2..........................................................................................................................0152 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 2 .................. ..........................0153 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 2.........................................................................0154 00 INTRODUCTION TO RPSTL, Vol 2.....................................................................................................0155 00 vii
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TABLE OF CONTENTS – Continued WP Sequence No. REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 2............................................................................0156 00 Group 00 Radio Set AN/PRC-90..............................................................................................0156 00 Group 30 Special Tools............................................................................................................0156 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 2.............................................................................0157 00 PART NUMBER (P/N) INDEX, Vol 2....................................................................................................0158 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 2.............................................................................0159 00 RADIO SET (AN/PRC-90-2) CHAPTER 23 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 2 GENERAL INFORMATION, Vol 2 ............................................................................. ..........................0160 00 DESCRIPTION AND DATA, Vol 2........................................................................................................0161 00 CHAPTER 24 – AVIATION INTERMEDIATE TROUBLESHOOTING PROCEDURES, Vol 2 TROUBLESHOOTING PROCEDURE, Vol 2 ............................................................ ..........................0162 00 CHAPTER 25 – AVIATION INTERMEDIATE MAINTENANCE INSTRUCTIONS, Vol 2 SERVICE UPON RECEIPT OF MATERIEL, Vol 2...............................................................................0163 00 VOLUME CONTROL KNOB REPLACEMENT, Vol 2...........................................................................0164 00 REPAIR OF ANTENNA RUBBER PROTECTIVE COVER, Vol 2.........................................................0165 00 FUNCTION SWITCH AND KNOB REPLACEMENT, Vol 2........................................ ..........................0166 00 PC BOARD REMOVAL/INSTALLATION, Vol 2....................................................................................0167 00 ANTENNA COUPLER PC BOARD REMOVAL/INSTALLATION, Vol 2................................................0168 00 SPEAKER/MICROPHONES REMOVAL/INSTALLATION, Vol 2.........................................................0169 00 EARPHONE SWITCH REMOVAL/INSTALLATION, Vol 2...................................................................0170 00 REED SWITCHES REPLACEMENT, Vol 2 ............................................................... ..........................0171 00 CHAPTER 26 – SUPPORTING INFORMATION, Vol 2 REFERENCES, Vol 2..........................................................................................................................0172 00 INTRODUCTION TO RPSTL, Vol 2.....................................................................................................0173 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 2............................................................................0174 00 Group 00 Radio Set AN/PRC-90-2...........................................................................................0174 00 Group 01 Case, Subassembly....................................................................... ..........................0174 00 Group 02 Special Tools List......................................................................................................0174 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 2.............................................................................0175 00 PART NUMBER (P/N) INDEX, Vol 2....................................................................................................0176 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 2.............................................................................0177 00 RADIO SET (AN/PRC-90-2) CHAPTER 27 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 2 GENERAL INFORMATION, Vol 2 ............................................................................. ..........................0178 00 EQUIPMENT DESCRIPTION AND DATA, Vol 2 ....................................................... ..........................0179 00 CHAPTER 28 – OPERATOR INSTRUCTIONS , Vol 2 DESCRIPTION OF OPERATOR’S CONTROLS AND INDICATORS, Vol 2.........................................0180 00 OPERATION UNDER USUAL CONDITIONS, Vol 2............................................................................0181 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 2.......................................................................0182 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 29 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 2 PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION, Vol 2...........................0183 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 2......................................................0184 00 OPERATOR MAINTENANCE, Vol 2 ......................................................................... ..........................0185 00 CHAPTER 30 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 2 SERVICE UPON RECEIPT, Vol 2 ............................................................................. ..........................0186 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION, Vol 2...........................0187 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 2......................................................0188 00 MAINTENANCE PROCEDURES, Vol 2..............................................................................................0189 00 BATTERY MAINTENANCE, Vol 2.......................................................................................................0190 00 BATTERY SERVICE LIFE TEST, Vol 2................................................................................................0191 00 EARPHONE REPAIR AND/OR REPLACEMENT, Vol 2............................................ ..........................0192 00 ANTENNA REMOVAL AND INSTALLATION, Vol 2.............................................................................0193 00 PERFORMANCE TEST, Vol 2.............................................................................................................0194 00 CHAPTER 31 – SUPPORTING INFORMATION, Vol 2 REFERENCES, Vol 2..........................................................................................................................0195 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 2 .................. ..........................0196 00 MAINTENANCE ALLOCATION CHART FOR AN/PRC-90-2, Vol 2.....................................................0197 00 COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS, Vol 2................................................................................................................................0198 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 2.............................................................................0199 00 RADIO SET (AN/PRC-112) AND PROGRAM LOADER (KY-913/PRC-112) CHAPTER 32 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 2 INTRODUCTION AND GENERAL INFORMATION, Vol 2...................................................................0200 00 EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES (ARMY, NAVY, AIR FORCE ONLY), Vol 2................................................................................................0201 00 TECHNICAL PRINCIPLES OF OPERATION, Vol 2 .................................................. ..........................0202 00 CHAPTER 33 – OPERATOR INSTRUCTIONS , Vol 2 CONTROLS AND INDICATORS, Vol 2 ..................................................................... ..........................0203 00 OPERATION UNDER USUAL CONDITIONS, Vol 2............................................................................0204 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 2.......................................................................0205 00 CHAPTER 34 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 2 OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURE, Vol 2..... ..........................0206 00 CHAPTER 35 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 2 INTRODUCTION TO OPERATOR PMCS, Vol 2 ....................................................... ..........................0207 00 OPERATOR’S PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 2..............................0208 00 CLEANING, Vol 2................................................................................................................................0209 00 CHAPTER 36 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 2 SERVICE UPON RECEIPT, Vol 2 ............................................................................. ..........................0210 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 2......................................................0211 00
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TABLE OF CONTENTS – Continued WP Sequence No. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (ARMY ONLY), Vol 2...............................................................................................................................0212 00 MAINTENANCE OF RADIO SET AND PROGRAM LOADER, Vol 2 ......................... ..........................0213 00 RADIO AND PROGRAM LOADER MAINTENANCE, Vol 2.................................................................0214 00 CHAPTER 37 – AVIATION INTERMEDIATE MAINTENANCE INSTRUCTIONS, Vol 2 INTERMEDIATE MAINTENANCE PROCEDURES, Vol 2...................................................................0215 00 TRANSMITTER POWER TEST, TRANSMITTER MODULATION PERCENTAGE TEST, RECEIVER DISTORTION TEST, AND SINAD TEST, Vol 2..............................................0216 00 PROGRAM LOADER TEST, Vol 2.......................................................................................................0217 00 CHAPTER 38 – SUPPORTING INFORMATION, Vol 2 REFERENCES, Vol 2..........................................................................................................................0218 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 2 .................. ..........................0219 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 2.........................................................................0220 00 INTRODUCTION TO RPSTL, Vol 2.....................................................................................................0221 00 REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL), Vol 2.............................................................0222 00 Group 00 Radio Set AN/PRC-112.................................................................. ..........................0222 00 Group 01 Program Loader KY-913/PRC-112 BOI: 1 per 10 Radio Set AN/PRC-112 .................................................................................. ..........................0222 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 2.............................................................................0223 00 PART NUMBER (P/N) INDEX, Vol 2....................................................................................................0224 00 COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS, Vol 2................................................................................................................................0225 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 2.............................................................................0226 00 BA-5112/U LITHIUM SULFUR DIOXIDE BATTERIES, Vol 2...............................................................0227 00 Volume 3 WARNING SUMMARY, Vol 3 HOW TO USE THIS MANUAL, Vol 3 ELECTRONIC DATA MANAGER (EDM) CHAPTER 39 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 3 GENERAL INFORMATION, Vol 3 ............................................................................. ..........................0228 00 EQUIPMENT DESCRIPTION AND DATA, Vol 3 ....................................................... ..........................0229 00 THEORY OF OPERATION, Vol 3........................................................................................................0230 00 CHAPTER 40 – OPERATOR INSTRUCTIONS , Vol 3 CONTROLS AND INDICATORS, Vol 3 ..................................................................... ..........................0231 00 OPERATOR INSTRUCTIONS, Vol 3...................................................................................................0232 00 PHASES OF OPERATION, Vol 3 .............................................................................. ..........................0233 00 USING ISAS-AW, Vol 3 ............................................................................................. ..........................0234 00 LAYER SPECIFIC INFORMATION, Vol 3............................................................................................0235 00 AMPS INTERFACE, Vol 3......................................................................................... ..........................0236 00 TACOPS SUPPORT KIT, Vol 3............................................................................................................0237 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 3.......................................................................0238 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 41 – OPERATOR TROUBLESHOOTING PROCEDURES, Vol 3 TROUBLESHOOTING PROCEDURES, Vol 3....................................................................................0239 00 CHAPTER 42 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 3 PREPARATION FOR STORAGE OR SHIPMENT, Vol 3 ........................................... ..........................0240 00 CHAPTER 43 – SUPPORTING INFORMATION, Vol 3 REFERENCES, Vol 3..........................................................................................................................0241 00 INTRODUCTION TO RPSTL, Vol 3.....................................................................................................0242 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 3............................................................................0243 00 Group 00 Electronic Data Manager (EDM)...............................................................................0243 00 Group 01 Cable Assy, Special Purpose....................................................................................0243 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 3.............................................................................0244 00 PART NUMBER (P/N) INDEX, Vol 3....................................................................................................0245 00 SUPPORT ITEMS, Vol 3........................................................................................... ..........................0246 00 ISAS-AW KEYBOARD COMMANDS, Vol 3 .............................................................. ..........................0247 00 ISAS-AW KNOWN ISSUES, Vol 3.......................................................................................................0248 00 AMPS INTERFACE, Vol 3......................................................................................... ..........................0249 00 BIOS SETTINGS- SPIRAL 2, Vol 3 ........................................................................... ..........................0250 00 NL2024A22 SMART BATTERY, Vol 3 ....................................................................... ..........................0251 00 THE CH5000A DESKTOP SMART CHARGER, Vol 3.........................................................................0252 00 Volume 4 WARNING SUMMARY, Vol 4 HOW TO USE THIS MANUAL, Vol 4 ANTI-EXPOSURE ASSEMBLY (AEA) (A/P22P-6) CHAPTER 44 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0253 00 EQUIPMENT DESCRIPTION AND DATA, Vol 4 ....................................................... ..........................0254 00 CHAPTER 45 – OPERATOR INSTRUCTIONS , Vol 4 CONTROLS AND INDICATORS, Vol 4 ..................................................................... ..........................0255 00 OPERATION UNDER USUAL CONDITIONS, Vol 4............................................................................0256 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0257 00 CHAPTER 46 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 4 PMCS PROCEDURES INTRODUCTION, Vol 4 ....................................................... ..........................0258 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (ARMY ONLY), Vol 4..............................0259 00 CLEANING THE ANTI-EXPOSURE ASSEMBLY, Vol 4 ............................................ ..........................0260 00 CHAPTER 47 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 SERVICE UPON RECEIPT, Vol 4 ............................................................................. ..........................0261 00 SIZING THE CWU-62/P SERIES COVERALL, Vol 4...........................................................................0262 00 EQUIPMENT FITTING INSTRUCTIONS, Vol 4 ........................................................ ..........................0263 00 PMCS PROCEDURES INTRODUCTION, Vol 4 ....................................................... ..........................0264 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (ARMY ONLY), Vol 4..............................0265 00 xi
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TABLE OF CONTENTS – Continued WP Sequence No. STORAGE OF THE ANTI-EXPOSURE ASSEMBLY, Vol 4..................................................................0266 00 CHAPTER 48 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0267 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 4 .................. ..........................0268 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 4.........................................................................0269 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 4.............................................................................0270 00 LOW-PROFILE FLOTATION COLLAR (LPFC) (LPU-39/P AND LPU-40/P) CHAPTER 49 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0271 00 EQUIPMENT DESCRIPTION AND DATA, Vol 4 ....................................................... ..........................0272 00 CHAPTER 50 – OPERATOR INSTRUCTIONS , Vol 4 CONTROL AND INDICATORS, Vol 4..................................................................................................0273 00 OPERATION UNDER USUAL CONDITIONS, Vol 4............................................................................0274 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0275 00 CHAPTER 51 – OPERATOR TROUBLESHOOTING PROCEDURES, Vol 4 LPFC TROUBLESHOOTING PROCEDURES, Vol 4..........................................................................0276 00 CHAPTER 52 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 4 RIGGING THE LPFC TO THE PSGC, GEN I, Vol 4................................................... ..........................0277 00 RIGGING THE LPU-39 TO THE PSGC, GEN II AND GEN III, Vol 4.....................................................0278 00 RIGGING THE LPU-40 TO THE PSGC, GEN II AND GEN III, Vol 4.....................................................0279 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4.............. ..........................0280 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 4......................................................0281 00 MATERIAL REQUIRED FOR CLEANING THE LPFC, Vol 4................................................................0282 00 CHAPTER 53 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION, Vol 4..............................................................................................................0283 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 4......................................................0284 00 LPFC INSPECTION, Vol 4 ........................................................................................ ..........................0285 00 LPFC ANNUAL INSPECTION, Vol 4...................................................................................................0286 00 LPFC FUNCTIONAL TEST, Vol 4........................................................................................................0287 00 LPFC LEAKAGE TEST, Vol 4..............................................................................................................0288 00 INSTALLATION OF CO2 INFLATION ASSEMBLY PROTECTIVE COVER, Vol 4................................0289 00 PACKING AND REPAIRING THE LOW PROFILE FLOTATION COLLAR (LPFC), Vol 4..............................................................................................................................0290 00 PACKING AND REPAIRING THE LOW PROFILE FLOTATION COLLAR (LPU-40), Vol 4...........................................................................................................................0291 00 CEMENTING THE LPFC, Vol 4...........................................................................................................0292 00 MATERIALS REQUIRED FOR PATCHING THE LPFC, Vol 4 ................................... ..........................0293 00 REPLACING LPFC BLADDER, Vol 4..................................................................................................0294 00 REPAIRING INSTRUCTIONS, Vol 4...................................................................................................0295 00 ZIPPER SAFETY STITCH, Vol 4.........................................................................................................0296 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 54 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0297 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 4 .................. ..........................0298 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 4.........................................................................0299 00 INTRODUCTION TO RPSTL, Vol 4.....................................................................................................0300 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 4............................................................................0301 00 Group 00 Flotation Collar Assy ...................................................................... ..........................0301 00 Group 01 Flotation Collar Assy ...................................................................... ..........................0301 00 NSN INDEX, Vol 4...............................................................................................................................0302 00 PART NUMBER (P/N) INDEX, Vol 4....................................................................................................0303 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 4.............................................................................0304 00 MOBILE REFILL SYSTEM FOR THE AQUALUNG SEA (SURVIVAL EGRESS AIR) (MRS III) CHAPTER 55 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0305 00 DESCRIPTION AND DATA, Vol 4........................................................................................................0306 00 CHAPTER 56 – OPERATOR INSTRUCTIONS , Vol 4 CONTROL AND INDICATORS, Vol 4..................................................................................................0307 00 OPERATION UNDER USUAL CONDITIONS, Vol 4............................................................................0308 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0309 00 CHAPTER 57 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 4 OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURE, Vol 4..... ..........................0310 00 CHAPTER 58 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 MRS III MAINTENANCE, Vol 4............................................................................................................0311 00 GAUGE CALIBRATION, Vol 4.............................................................................................................0312 00 FILL VALVE (YVA3010A), Vol 4...........................................................................................................0313 00 SUPPLY CYLINDER VALVE (VAL1) REBUILD PROCEDURES, Vol 4................................................0314 00 MRS III REGULATOR, Vol 4................................................................................................................0315 00 CHAPTER 59 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0316 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 4 .................. ..........................0317 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 4.........................................................................0318 00 INTRODUCTION TO RPSTL, Vol 4.....................................................................................................0319 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 4............................................................................0320 00 Group 00 Front of Unit, Side View, and End View........................................... ..........................0320 00 Group 01 Supply Cylinder Valve and Supply Cylinder Overhaul Kit..........................................0320 00 Group 02 Regulator and Regulator Overhaul Kit......................................................................0320 00 Group 03 Adapter and Adapter Overhaul Kit............................................................................0320 00 Group 04 Fill Valve Assembly and Fill Valve Overhaul Kit.........................................................0320 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 4.............................................................................0321 00 PART NUMBER (P/N) INDEX, Vol 4....................................................................................................0322 00 SUPPORT ITEMS, Vol 4........................................................................................... ..........................0323 00
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TABLE OF CONTENTS – Continued WP Sequence No. OVER WATER GEAR CARRIER (OWGC) CHAPTER 60 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0324 00 EQUIPMENT DESCRIPTION AND DATA, Vol 4 ....................................................... ..........................0325 00 CHAPTER 61 – OPERATOR INSTRUCTIONS , Vol 4 CONTROL AND INDICATORS, Vol 4..................................................................................................0326 00 OPERATIONS UNDER USUAL CONDITIONS, Vol 4 ............................................... ..........................0327 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0328 00 OPERATIONS UNDER UNUSUAL CONDITIONS, Vol 4.......................................... ..........................0329 00 CHAPTER 62 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 4 SECOND STAGE, Vol 4............................................................................................ ..........................0330 00 FIRST STAGE / VALVE, Vol 4..............................................................................................................0331 00 CHAPTER 63 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 4 FITTING THE S.E.A., Vol 4 ....................................................................................... ..........................0332 00 FITTING THE LUMBAR SUPPORT, Vol 4...........................................................................................0333 00 OWGC PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4............................0334 00 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4.............................................................................................................................0335 00 CLEANING PROCEDURES, Vol 4......................................................................................................0336 00 CHAPTER 64 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 ACCEPTANCE INSPECTION OF OVER WATER GEAR CARRIER (OWGC) AND COMPONENTS, Vol 4................................................................................................................0337 00 FITTING THE OVER WATER GEAR CARRIER AND COMPONENTS, Vol 4 ........... ..........................0338 00 OWGC PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION, Vol 4..............................................................................................................0339 00 AVUM PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4 ... ..........................0340 00 ACCEPTANCE/PERIODIC INSPECTION OF HGU-32/P HOOD AND HAU12/P MITTENS, Vol 4..........................................................................................................................0341 00 RIGGING AND PACKING LRU-18/U LIFE RAFT, HOOD AND MITTENS, Vol 4..................................0342 00 REPAIR/REPLACEMENT OF OVER WATER (OWGC) AND COMPONENTS, Vol 4...........................0343 00 REPLACE INFLATION LANYARD (IL) INITIAL SETUP, Vol 4 ................................... ..........................0344 00 LEAK TEST FOR THE HOOD AND MITTENS, Vol 4...........................................................................0345 00 GENERAL VACUUM-SEAL PLASTIC BAG INSTRUCTIONS, Vol 4...................................................0346 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 4..................................................................0347 00 CHAPTER 65 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0348 00 INTRODUCTION TO MAINTENANCE ALLOCATION CHART, Vol 4........................ ..........................0349 00 MAINTENANCE ALLOCATION CHART, Vol 4.......................................................... ..........................0350 00 INTRODUCTION TO RPSTL, Vol 4.....................................................................................................0351 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 4............................................................................0352 00 Group 00 Raft Carrier Assembly .................................................................... ..........................0352 00 Group 01 Raft Integration.........................................................................................................0352 00 Group 02 OWGC Raft Items .......................................................................... ..........................0352 00 xiv
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TABLE OF CONTENTS – Continued WP Sequence No. NSN INDEX, Vol 4...............................................................................................................................0353 00 PART NUMBER (P/N) INDEX, Vol 4....................................................................................................0354 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 4.............................................................................0355 00 LIFE RAFT, ONE-MAN, VEE (LRU-18/U) CHAPTER 66 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0356 00 DESCRIPTION AND DATA, Vol 4........................................................................................................0357 00 THEORY OF OPERATION, Vol 4........................................................................................................0358 00 CHAPTER 67 – OPERATOR INSTRUCTIONS , Vol 4 CONTROL AND INDICATORS, Vol 4..................................................................................................0359 00 OPERATION UNDER USUAL CONDITIONS, Vol 4............................................................................0360 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0361 00 CHAPTER 68 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 4 LRU-18/U TROUBLESHOOTING PROCEDURES, Vol 4 ......................................... ..........................0362 00 CHAPTER 69 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 4 OPERATOR PMCS PROCEDURES INTRODUCTION, Vol 4.............................................................0363 00 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4.............................................................................................................................0364 00 OPERATOR MAINTENANCE, Vol 4 ......................................................................... ..........................0365 00 CHAPTER 70 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 SERVICE UPON RECEIPT, Vol 4 ............................................................................. ..........................0366 00 AVUM PMCS PROCEDURES INTRODUCTION, Vol 4.......................................................................0367 00 AVUM PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 4 ... ..........................0368 00 SERVICING THE LRU-18U, Vol 4.......................................................................................................0369 00 SERVICE INFLATION ASSEMBLY AND CO2 CYLINDER, Vol 4.........................................................0370 00 LRU-18/U LIFE RAFT FUNCTION TEST, Vol 4...................................................................................0371 00 LRU-18/U LEAKAGE TEST, Vol 4............................................................................. ..........................0372 00 LRU-18/U AND CONTAINER MARKINGS INSPECTION, Vol 4..........................................................0373 00 REPAIR/REPLACE LRU-18/U COMPONENTS, Vol 4.............................................. ..........................0374 00 PATCHING THE LRU-18/U LIFE RAFT, Vol 4......................................................................................0375 00 REPLACE LRU-18/U ORAL INFLATION VALVES, Vol 4.....................................................................0376 00 REPLACE INFLATION ASSEMBLY CHECK VALVE ASSEMBLY, Vol 4..............................................0377 00 REPLACE BEADED HANDLE AND LANYARD PULL TEST, Vol 4......................................................0378 00 REPLACE CONTAINER ASSEMBLY BUCKLE-MALE AND FEMALE, Vol 4 ............ ..........................0379 00 REPAIR CO2 PROTECTIVE COVER, Vol 4 .............................................................. ..........................0380 00 REPAIR/FABRICATE CONTAINER ASSEMBLY TETHER LINE, Vol 4...............................................0381 00 ASSEMBLY OF LRU-18/U AND CONTAINER, Vol 4...........................................................................0382 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 4..................................................................0383 00 TORQUE LIMITS, Vol 4.......................................................................................................................0384 00 CHAPTER 71 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0385 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 4 .................. ..........................0386 00
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TABLE OF CONTENTS – Continued WP Sequence No. MAINTENANCE ALLOCATION CHART (MAC), Vol 4.........................................................................0387 00 INTRODUCTION TO RPSTL, Vol 4.....................................................................................................0388 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 4............................................................................0389 00 Group 00 Life Raft and Container Assembly .................................................. ..........................0389 00 Group 01 Crass Strap Container Assembly..............................................................................0389 00 Group 02 LRU-18/U Assembly.................................................................................................0389 00 NSN INDEX, Vol 4...............................................................................................................................0390 00 PART NUMBER (P/N) INDEX, Vol 4....................................................................................................0391 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 4.............................................................................0392 00 SURVIVAL EGRESS AIR (S.E.A.) CHAPTER 72 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 4 GENERAL INFORMATION, Vol 4 ............................................................................. ..........................0393 00 EQUIPMENT DESCRIPTION AND DATA, Vol 4 ....................................................... ..........................0394 00 CHAPTER 73 – OPERATOR INSTRUCTIONS , Vol 4 CONTROLS AND INDICATORS, Vol 4 ..................................................................... ..........................0395 00 OPERATOR INSTRUCTIONS, Vol 4...................................................................................................0396 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 4.......................................................................0397 00 CHAPTER 74 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 4 S.E.A. SECOND STAGE, Vol 4 ................................................................................. ..........................0398 00 S.E.A. FIRST STAGE/VALVE ASSEMBLY, Vol 4.................................................................................0399 00 CHAPTER 75 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 4 PMCS PROCEDURES INTRODUCTION, Vol 4 ....................................................... ..........................0400 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 4......................................................0401 00 OPERATOR MAINTENANCE, Vol 4 ......................................................................... ..........................0402 00 CHAPTER 76 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 4 SERVICE UPON RECEIPT, Vol 4 ............................................................................. ..........................0403 00 INITIAL INSPECTION PROCEDURE OF THE S.E.A., Vol 4..................................... ..........................0404 00 PRE-FLIGHT CHECKOUT, Vol 4 .............................................................................. ..........................0405 00 CARE AND MAINTENANCE, Vol 4.....................................................................................................0406 00 TESTING PROCEDURES, Vol 4.........................................................................................................0407 00 PREPARATION AND SETUP, Vol 4 .......................................................................... ..........................0408 00 DISASSEMBLY PROCEDURES, Vol 4...............................................................................................0409 00 CLEANING AND LUBRICATION OF S.E.A., Vol 4 .................................................... ..........................0410 00 FIRST-STAGE REASSEMBLY PROCEDURES, Vol 4.............................................. ..........................0411 00 FIRST-STAGE TESTING, Vol 4...........................................................................................................0412 00 SECOND-STAGE REASSEMBLY PROCEDURES, Vol 4...................................................................0413 00 FINAL TESTING, Vol 4........................................................................................................................0414 00 PREPARATION FOR STORAGE OR SHIPMENT, Vol 4 ........................................... ..........................0415 00 TORQUE LIMITS, Vol 4.......................................................................................................................0416 00 CHAPTER 77 – SUPPORTING INFORMATION, Vol 4 REFERENCES, Vol 4..........................................................................................................................0417 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 4 .................. ..........................0418 00
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TABLE OF CONTENTS – Continued WP Sequence No. MAINTENANCE ALLOCATION CHART (MAC), Vol 4.........................................................................0419 00 INTRODUCTION TO RPSTL, Vol 4.....................................................................................................0420 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 4............................................................................0421 00 Group 00 First Stage With Cylinder Assembly..........................................................................0421 00 Group 02 Second Stage Assy..................................................................................................0421 00 Group 03 Second Stage Assy..................................................................................................0421 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 4.............................................................................0422 00 PART NUMBER (P/N) INDEX, Vol 4....................................................................................................0423 00 SUPPORT ITEMS, Vol 4........................................................................................... ..........................0424 00 Volume 5 WARNING SUMMARY, Vol 5 HOW TO USE THIS MANUAL, Vol 5 HELICOPTER OXYGEN SYSTEMS (HOS) CHAPTER 78 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 5 GENERAL INFORMATION, Vol 5 ............................................................................. ..........................0425 00 EQUIPMENT DESCRIPTION AND DATA, Vol 5 ....................................................... ..........................0426 00 PRINCIPLES OF OPERATION, Vol 5 ....................................................................... ..........................0427 00 CHAPTER 79 – OPERATOR INSTRUCTIONS , Vol 5 CONTROLS AND INDICATORS, Vol 5 ..................................................................... ..........................0428 00 ASSEMBLY AND PREPARATION FOR USE, Vol 5 .................................................. ..........................0429 00 EMERGENCY PROCEDURES, Vol 5.................................................................................................0430 00 CHAPTER 80 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 5 OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURE, Vol 5..... ..........................0431 00 CHAPTER 81 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 5 OPERATOR MAINTENANCE, Vol 5 ......................................................................... ..........................0432 00 OPERATOR PMCS PROCEDURES INTRODUCTION, Vol 5.............................................................0433 00 OPERATOR PMCS, Vol 5 ......................................................................................... ..........................0434 00 CLEANING THE HOS, Vol 5 ..................................................................................... ..........................0435 00 CHAPTER 82 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 5 SERVICE UPON RECEIPT, Vol 5 ............................................................................. ..........................0436 00 AVUM PMCS PROCEDURES INTRODUCTION, Vol 5.......................................................................0437 00 CREW PMCS, Vol 5.................................................................................................. ..........................0438 00 EQUIPMENT/USER ALTERATIONS AND FITTING INSTRUCTIONS, Vol 5......................................0439 00 AVUM MAINTENANCE PROCEDURES, Vol 5......................................................... ..........................0440 00 CONSOLE OXYGEN DISCHARGING PROCEDURES, Vol 5 .................................. ..........................0441 00 CONSOLE OXYGEN PURGING PROCEDURES, Vol 5.....................................................................0442 00 LEAK CHECK, Vol 5............................................................................................................................0443 00 TWENTY-FOUR (24) HOUR HIGH PRESSURE CHECK, Vol 5..........................................................0444 00 TWENTY-FOUR (24) HOUR LOW PRESSURE CHECK, Vol 5...........................................................0445 00 DISASSEMBLY OF THE HOS, Vol 5...................................................................................................0446 00
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TABLE OF CONTENTS – Continued WP Sequence No. REMOVAL AND DISASSEMBLY OF OXYGEN CYLINDER ASSEMBLY, Vol 5...................................0447 00 REMOVAL AND DISASSEMBLY OF PRESSURE REDUCER ASSEMBLY, Vol 5...............................0448 00 REMOVAL AND DISASSEMBLY OF ON/OFF VALVE, Vol 5...............................................................0449 00 REMOVAL AND DISASSEMBLY OF GAUGE MANIFOLD ASSEMBLY, Vol 5.....................................0450 00 REMOVAL AND DISASSEMBLY OF CONNECTOR MANIFOLD ASSEMBLY, Vol 5...........................0451 00 DISASSEMBLY OF OXYGEN CHARGING ASSEMBLY, Vol 5............................................................0452 00 AIROX CLEANING AND MAINTENANCE, Vol 5.................................................................................0453 00 INSPECTION REQUIREMENTS, Vol 5...............................................................................................0454 00 REPAIR OR REPLACEMENT OF HOS COMPONENTS, Vol 5...........................................................0455 00 PAINTING HOS COMPONENTS, Vol 5 .................................................................... ..........................0456 00 LUBRICATION OF THE HOS, Vol 5.......................................................................... ..........................0457 00 ASSEMBLY OF THE HOS, Vol 5.........................................................................................................0458 00 ASSEMBLY OF REDUCER ASSEMBLY, Vol 5 ......................................................... ..........................0459 00 ASSEMBLY OF ON/OFF VALVE, Vol 5 ..................................................................... ..........................0460 00 ASSEMBLY OF GAUGE MANIFOLD ASSEMBLY, Vol 5.....................................................................0461 00 ASSEMBLY OF OXYGEN CYLINDER ASSEMBLY, Vol 5...................................................................0462 00 ASSEMBLY AND INSTALLATION OF CONNECTOR MANIFOLD ASSEMBLY, Vol 5.......................................................................................................................0463 00 ASSEMBLY OF CONSOLE PANELS, Vol 5 .............................................................. ..........................0464 00 ASSEMBLY OF EXTENSION SUPPLY HOSE, Vol 5 ................................................ ..........................0465 00 ASSEMBLY OF SUPPLY HOSE WITH REGULATOR, Vol 5..................................... ..........................0466 00 ASSEMBLY OF PROTECTIVE CASE, Vol 5............................................................. ..........................0467 00 ASSEMBLY OF OXYGEN CHARGING ASSEMBLY, Vol 5..................................................................0468 00 PREPARATION FOR USE, Vol 5.........................................................................................................0469 00 PREPARATION FOR STORAGE OR SHIPMENT, Vol 5 ........................................... ..........................0470 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 5..................................................................0471 00 TORQUE LIMITS, Vol 5.......................................................................................................................0472 00 CHAPTER 83 – SUPPORTING INFORMATION, Vol 5 REFERENCES, Vol 5..........................................................................................................................0473 00 INTRODUCTION MAINTENANCE ALLOCATION CHART (MAC), Vol 5 .................. ..........................0474 00 MAINTENANCE ALLOCATION CHART (MAC), Vol 5.........................................................................0475 00 INTRODUCTION TO RPSTL, Vol 5.....................................................................................................0476 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 5............................................................................0477 00 Group 00 Oxygen Console System..........................................................................................0477 00 Group 01 End Panel Assembly ...................................................................... ..........................0477 00 Group 02 Connector Manifold Assembly..................................................................................0477 00 Group 03 Gauge Manifold Assembly ............................................................. ..........................0477 00 Group 04 Supply Hose Assemblies..........................................................................................0477 00 Group 05 Protective Case........................................................................................................0477 00 Group 06 Bayonet Receiver Assembly .......................................................... ..........................0477 00 Group 07 Oxygen Charging Assembly.....................................................................................0477 00 Group 08 Airox VIII Oxygen Regulator Assembly.....................................................................0477 00 Group 09 Tie-Down Strap .............................................................................. ..........................0477 00 NSN INDEX, Vol 5...............................................................................................................................0478 00 PART NUMBER INDEX, Vol 5.............................................................................................................0479 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 5.............................................................................0480 00
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TABLE OF CONTENTS – Continued WP Sequence No. PRESSURE-DEMAND OXYGEN MASK (MBU-12/P) CHAPTER 84 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 5 GENERAL INFORMATION, Vol 5 ............................................................................. ..........................0481 00 EQUIPMENT DESCRIPTION AND DATA, Vol 5 ....................................................... ..........................0482 00 THEORY OF OPERATION, Vol 5........................................................................................................0483 00 CHAPTER 85 – OPERATOR INSTRUCTIONS , Vol 5 CONTROLS AND INDICATORS DESCRIPTION, Vol 5......................................................................0484 00 OPERATION UNDER USUAL CONDITIONS, Vol 5............................................................................0485 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 5.......................................................................0486 00 CHAPTER 86 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 5 TROUBLESHOOTING, Vol 5..............................................................................................................0487 00 CHAPTER 87 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 5 SERVICE UPON RECEIPT, Vol 5 ............................................................................. ..........................0488 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION, Vol 5..............................................................................................................0489 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 5.............. ..........................0490 00 REPAIR OF MBU-12/P, Vol 5...............................................................................................................0491 00 DISASSEMBLY, Vol 5..........................................................................................................................0492 00 CLEANING, Vol 5................................................................................................................................0493 00 ASSEMBLY, Vol 5................................................................................................................................0494 00 COWLING KIT TO OXYGEN MASK INSTALLATION, Vol 5 ...................................... ..........................0495 00 INSTALLATION INSTRUCTIONS, Vol 5 ................................................................... ..........................0496 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 5..................................................................0497 00 CHAPTER 88 – SUPPORTING INFORMATION, Vol 5 REFERENCES, Vol 5..........................................................................................................................0498 00 INTRODUCTION TO RPSTL, Vol 5.....................................................................................................0499 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 5............................................................................0500 00 Group 00 MBU-12/P Pressure-Demand Oxygen Mask............................................................0500 00 NSN INDEX, Vol 5...............................................................................................................................0501 00 PART NUMBER (P/N) INDEX, Vol 5....................................................................................................0502 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 5.............................................................................0503 00 TOOL IDENTIFICATION LIST, Vol 5....................................................................................................0504 00 Volume 6 WARNING SUMMARY, Vol 6 HOW TO USE THIS MANUAL, Vol 6 MASK BLOWER AND POUCH ASSEMBLY CHAPTER 89 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 6 GENERAL INFORMATION, Vol 6 ............................................................................. ..........................0505 00 EQUIPMENT DESCRIPTION AND DATA, Vol 6 ....................................................... ..........................0506 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 90 – OPERATOR INSTRUCTIONS , Vol 6 DESCRIPTION AND USE OF CONTROLS AND INDICATORS, Vol 6................................................0507 00 OPERATION UNDER USUAL CONDITIONS, Vol 6............................................................................0508 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 6.......................................................................0509 00 CHAPTER 91 – OPERATOR TROUBLESHOOTING PROCEDURES, Vol 6 TROUBLESHOOTING PROCEDURES, Vol 6....................................................................................0510 00 CHAPTER 92 – SUPPORTING INFORMATION, Vol 6 REFERENCES, Vol 6..........................................................................................................................0511 00 SUPPORT ITEMS, Vol 6........................................................................................... ..........................0512 00 BODY ARMOR CHAPTER 93 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 6 GENERAL INFORMATION, Vol 6 ............................................................................. ..........................0513 00 EQUIPMENT DESCRIPTION AND DATA, Vol 6 ....................................................... ..........................0514 00 CHAPTER 94 – OPERATOR INSTRUCTIONS , Vol 6 CONTROLS AND INDICATORS DESCRIPTION, Vol 6......................................................................0515 00 OPERATING UNDER USUAL CONDITIONS, Vol 6............................................................................0516 00 OPERATION UNDER UNUSUAL ENVIRONMENTS, Vol 6...................................... ..........................0517 00 CHAPTER 95 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 6 PMCS PROCEDURES INTRODUCTION, Vol 6 ....................................................... ..........................0518 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 6.............. ..........................0519 00 CLEANING OF AIR WARRIOR BODY ARMOR, Vol 6 .............................................. ..........................0520 00 CHAPTER 96 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 6 SERVICE UPON RECEIPT, Vol 6 ............................................................................. ..........................0521 00 FITTING THE BODY ARMOR, SOFT/HARD ARMOR, Vol 6...............................................................0522 00 SELECTING AND INSERTING THE BALLISTIC UPGRADE PLATES (HARD ARMOR), Vol 6...........................................................................................................................0523 00 RIGGING AND PACKING BODY ARMOR, Vol 6.................................................................................0524 00 BALLISTIC UPGRADE PLATES (BUP), Vol 6.....................................................................................0525 00 PMCS PROCEDURES INTRODUCTION, Vol 6 ....................................................... ..........................0526 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 6.............. ..........................0527 00 REPAIR/REPLACEMENT OF AIR WARRIOR BODY ARMOR AND COMPONENTS, Vol 6................................................................................................................0528 00 CHAPTER 97 – AVIATION INTERMEDIATE MAINTENANCE INSTRUCTIONS, Vol 6 AIRCREW PERSONNEL PROTECTION EQUIPMENT (BODY ARMOR) RADIOGRAPHIC INSPECTION, Vol 6............................................................. ..........................0529 00 CHAPTER 98 – SUPPORTING INFORMATION, Vol 6 REFERENCES, Vol 6..........................................................................................................................0530 00 INTRODUCTION TO AVIATION MAINTENANCE ALLOCATION CHART, Vol 6 ....... ..........................0531 00 MAINTENANCE ALLOCATION CHART FOR THE BODY ARMOR, Vol 6...........................................0532 00 INTRODUCTION TO RPSTL, Vol 6.....................................................................................................0533 00
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TABLE OF CONTENTS – Continued WP Sequence No. REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 6............................................................................0534 00 Group 01 Air Warrior Body Armor Assy.......................................................... ..........................0534 00 NATIONAL STOCK NUMBER (NSN) INDEX, Vol 6.............................................................................0535 00 PART NUMBER (P/N) INDEX, Vol 6....................................................................................................0536 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 6.............................................................................0537 00 CHEMICAL PROTECTIVE CLOTHING (CPC) CHAPTER 99 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 6 GENERAL INFORMATION, Vol 6 ............................................................................. ..........................0538 00 EQUIPMENT DESCRIPTION AND DATA, Vol 6 ....................................................... ..........................0539 00 CHAPTER 100 – OPERATOR INSTRUCTIONS , Vol 6 DESCRIPTION AND USE OF CONTROLS AND INDICATORS, Vol 6................................................0540 00 OPERATION UNDER USUAL CONDITIONS, Vol 6............................................................................0541 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 6.......................................................................0542 00 CHAPTER 101 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 6 PREVENTATIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION (ARMY ONLY), Vol 6 ............................................................ ..........................0543 00 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (ARMY ONLY), Vol 6...................................................................................................................0544 00 LAUNDERING THE MCPU, Vol 6 ............................................................................. ..........................0545 00 CHAPTER 102 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 6 INSPECTION-ACCEPTANCE AND REJECTION CRITERIA, Vol 6....................................................0546 00 FITTING THE MODIFIED CHEMICAL PROTECTIVE UNDERGARMENT, Vol 6................................0547 00 PREPARATION FOR STORAGE OR SHIPMENT, Vol 6 ........................................... ..........................0548 00 CHAPTER 103 – SUPPORTING INFORMATION, Vol 6 REFERENCES, Vol 6..........................................................................................................................0549 00 INTRODUCTION TO MAINTENANCE ALLOCATION CHART, Vol 6........................ ..........................0550 00 MAINTENANCE ALLOCATION CHART FOR THE CHEMICAL PROTECTIVE CLOTHING, Vol 6.......................................................................................................................0551 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 6.............................................................................0552 00 MASK, CHEMICAL-BIOLOGICAL (M45) CHAPTER 104 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 6 GENERAL INFORMATION, Vol 6 ............................................................................. ..........................0553 00 EQUIPMENT DESCRIPTION AND DATA, Vol 6 ....................................................... ..........................0554 00 THEORY OF OPERATION, Vol 6........................................................................................................0555 00 CHAPTER 105 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 6 TROUBLESHOOTING INDEX, Vol 6 ........................................................................ ..........................0556 00 INSUFFICIENT AIR TO USER, Vol 6 ........................................................................ ..........................0557 00 FACEPIECE FAILS TO SEAL, Vol 6....................................................................................................0558 00 EYELENSES FOG EXCESSIVELY, Vol 6............................................................................................0559 00 COMMUNICATION SYSTEM INOPERATIVE, Vol 6................................................. ..........................0560 00 DRINKING SYSTEM INOPERATIVE, Vol 6 .............................................................. ..........................0561 00 xxi
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TABLE OF CONTENTS – Continued WP Sequence No. DRINKING SYSTEM LEAKS, Vol 6.....................................................................................................0562 00 CHAPTER 106 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 6 SERVICE UPON RECEIPT, Vol 6 ............................................................................. ..........................0563 00 CHECKING FOR LEAKS, Vol 6...........................................................................................................0564 00 CHECKING DRINKING SYSTEM FOR LEAKS, Vol 6.........................................................................0565 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION, Vol 6...........................0566 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 6......................................................0567 00 SIZING, FITTING AND CHECKING THE FACEPIECE, Vol 6..............................................................0568 00 CANISTER REPLACEMENT CRITERIA, Vol 6...................................................................................0569 00 HEAD HARNESS REPLACEMENT, Vol 6...........................................................................................0570 00 MICROPHONE CABLE REPLACEMENT, Vol 6..................................................................................0571 00 OUTLET VALVE COVER REPLACEMENT, Vol 6 ..................................................... ..........................0572 00 OUTLET VALVE DISK REPLACEMENT, Vol 6....................................................................................0573 00 SIDE VOICEMITTER AND GASKET REPLACEMENT, Vol 6..............................................................0574 00 INTERNAL DRINK TUBE REPLACEMENT, Vol 6...............................................................................0575 00 NOSECUP ASSEMBLY REPLACEMENT, Vol 6 ....................................................... ..........................0576 00 INLET VALVE ASSEMBLY REPLACEMENT, Vol 6................................................... ..........................0577 00 FACEBLANK ASSEMBLY REPLACEMENT, Vol 6..............................................................................0578 00 MICROPHONE ASSEMBLY REPAIR, Vol 6........................................................................................0579 00 EXTERNAL DRINK TUBE REPAIR, Vol 6................................................................. ..........................0580 00 EXTERNAL DRINK TUBE REPLACEMENT, Vol 6..............................................................................0581 00 HOSE ASSEMBLY REPAIR, Vol 6 ............................................................................ ..........................0582 00 BAFFLE ASSEMBLY REPLACEMENT, Vol 6 ........................................................... ..........................0583 00 HOSE REPLACEMENT, Vol 6.............................................................................................................0584 00 HOOD ASSEMBLY REPLACEMENT, Vol 6 .............................................................. ..........................0585 00 IDENTIFYING AN INDIVIDUAL’S MASK, Vol 6...................................................................................0586 00 MASK DISASSEMBLY AND CLEANING, Vol 6...................................................................................0587 00 MASK SANITIZING: DISASSEMBLY, Vol 6.........................................................................................0588 00 MASK SANITIZING, Vol 6......................................................................................... ..........................0589 00 DELIBERATE DECONTAMINATION, Vol 6.........................................................................................0590 00 PREPARATION FOR STORAGE OR SHIPMENT, Vol 6 ........................................... ..........................0591 00 CHAPTER 107 – SUPPORTING INFORMATION, Vol 6 REFERENCES, Vol 6..........................................................................................................................0592 00 MAINTENANCE ALLOCATION CHART INTRODUCTION, Vol 6 ............................. ..........................0593 00 MAINTENANCE ALLOCATION CHART FOR MASK, CHEMICAL-BIOLOGICAL; AIRCRAFT, M45, Vol 6 ..................................................................................... ..........................0594 00 INTRODUCTION TO RPSTL, Vol 6.....................................................................................................0595 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 6............................................................................0596 00 Group 00 Mask, Chemical-Biological: M45..............................................................................0596 00 Group 01 Facepiece Assembly................................................................................................0596 00 Group 0101 Microphone Assembly..............................................................................................0596 00 Group 0102 Drink Tube Assembly ..................................................................... ..........................0596 00 Group 02 Hose Assembly.............................................................................. ..........................0596 00 NSN INDEX, Vol 6...............................................................................................................................0597 00 PART NUMBER (P/N) INDEX, Vol 6....................................................................................................0598 00 ADDITIONAL AUTHORIZED ITEMS, Vol 6.........................................................................................0599 00 xxii
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TABLE OF CONTENTS – Continued WP Sequence No. EXPENDABLE AND DURABLE ITEMS, Vol 6.....................................................................................0600 00 MICROCLIMATE COOLING GARMENT (MCG) CHAPTER 108 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 6 GENERAL INFORMATION, Vol 6 ............................................................................. ..........................0601 00 EQUIPMENT DESCRIPTION AND DATA, Vol 6 ....................................................... ..........................0602 00 CHAPTER 109 – OPERATOR INSTRUCTIONS , Vol 6 CONTROLS AND INDICATORS, Vol 6 ..................................................................... ..........................0603 00 OPERATION UNDER USUAL CONDITIONS, Vol 6............................................................................0604 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 6.......................................................................0605 00 CHAPTER 110 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 6 OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURE, Vol 6..... ..........................0606 00 CHAPTER 111 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 6 EQUIPMENT FITTING INSTRUCTIONS, Vol 6 ........................................................ ..........................0607 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION (ARMY ONLY), Vol 6...................................................................................................................0608 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 6......................................................0609 00 LAUNDERING THE MCG, Vol 6..........................................................................................................0610 00 CHAPTER 112 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 6 MAINTENANCE INSTRUCTIONS, Vol 6 .................................................................. ..........................0611 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES INTRODUCTION (ARMY ONLY), Vol 6...................................................................................................................0612 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES, Vol 6......................................................0613 00 REPAIR OF DELAMINATED COOLING PANEL, Vol 6........................................................................0614 00 REPAIR MCG BINDING, Vol 6 .................................................................................. ..........................0615 00 REPAIR OF PILE STRAP, Vol 6...........................................................................................................0616 00 REPAIR OF HOOK FASTENER, Vol 6 ...................................................................... ..........................0617 00 REPAIR OF MANIFOLD POCKET, Vol 6.............................................................................................0618 00 REPLACE SUPPLY/RETURN TUBING AND ABRASION SLEEVE, Vol 6................ ..........................0619 00 REPLACE LIQUID QUICK DISCONNECT (L-QD) ASSEMBLY, Vol 6.................................................0620 00 FIELD EXPEDIENT REPAIR OF SUPPLY/RETURN UMBILICAL SLEEVE OR SHRINK WRAP, Vol 6.................................................................................................................0621 00 MIXING COOLANT FOR USE, Vol 6...................................................................................................0622 00 ADDING COOLANT (GARMENT CHARGING), Vol 6.........................................................................0623 00 REMOVING COOLANT (GARMENT PURGING), Vol 6......................................................................0624 00 CHAPTER 113 – SUPPORTING INFORMATION, Vol 6 REFERENCES, Vol 6..........................................................................................................................0625 00 INTRODUCTION TO MAINTENANCE ALLOCATION CHART, Vol 6........................ ..........................0626 00 MAINTENANCE ALLOCATION CHART, Vol 6.......................................................... ..........................0627 00 INTRODUCTION TO RPSTL, Vol 6.....................................................................................................0628 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 6............................................................................0629 00 Group 00 Microclimate Garment..............................................................................................0629 00 NSN INDEX, Vol 6...............................................................................................................................0630 00
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TABLE OF CONTENTS – Continued WP Sequence No. PART NUMBER (P/N)INDEX, Vol 6.....................................................................................................0631 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 6.............................................................................0632 00 Volume 7 WARNING SUMMARY, Vol 7 HOW TO USE THIS MANUAL, Vol 7 AIRCRAFT MODULAR SURVIVAL SYSTEM (AMSS) CHAPTER 114 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 7 GENERAL INFORMATION, Vol 7 ............................................................................. ..........................0633 00 EQUIPMENT DESCRIPTION AND DATA, Vol 7 ....................................................... ..........................0634 00 THEORY OF OPERATION, Vol 7........................................................................................................0635 00 CHAPTER 115 – OPERATOR INSTRUCTIONS , Vol 7 CONTROL AND INDICATORS, Vol 7..................................................................................................0636 00 OPERATION UNDER USUAL CONDITIONS, Vol 7............................................................................0637 00 OPERATION UNDER UNUSUAL CONDITIONS, Vol 7.......................................................................0638 00 CHAPTER 116 – AVIATION UNIT TROUBLESHOOTING PROCEDURES, Vol 7 AMSS RIGID CONTAINER, Vol 7........................................................................................................0639 00 CHAPTER 117 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 7 SERVICE UPON RECEIPT, Vol 7 ............................................................................. ..........................0640 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), Vol 7.............. ..........................0641 00 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (ARMY ONLY), Vol 7..............................0642 00 GENERAL MAINTENANCE, Vol 7............................................................................ ..........................0643 00 GO-BAG BUCKLE REPAIR AND REPLACE, Vol 7.............................................................................0644 00 GO-BAG (SKRAM) REMOVAL AND INSTALLATION (UH-60), Vol 7 ........................ ..........................0645 00 GO-BAG (SKRAM) REMOVAL AND INSTALLATION (CH-47), Vol 7 ........................ ..........................0646 00 INSPECTION OF STORED AMSS, Vol 7............................................................................................0647 00 GENERAL CLEANING OF THE AMSS CONTAINERS AND EQUIPMENT BAGS, Vol 7................................................................................................................................0648 00 REMOVAL OF THE AMSS (EXCEPT TOW TUBE), Vol 7 ......................................... ..........................0649 00 REMOVAL OF AMSS COMPONENTS (EXCEPT TOW TUBE), Vol 7.................................................0650 00 REMOVAL OF SKRAM COMPONENTS, Vol 7......................................................... ..........................0651 00 REPLACEMENT OF LID ASSEMBLY CORDING GASKET, Vol 7.......................................................0652 00 REPLACEMENT OF CATCHES, STRIKES, AND HINGES, Vol 7.......................................................0653 00 REPLACEMENT OF HANDLES, Vol 7................................................................................................0654 00 REPLACEMENT OF VALVE, SAFETY RELIEF, Vol 7............................................... ..........................0655 00 REMOVAL OF THE TOW TUBE AMSS COMPONENTS, Vol 7...........................................................0656 00 REPAIR OF TOW TUBE, Vol 7............................................................................................................0657 00 REPAIR OF EQUIPMENT BAGS (EXCEPT TOW TUBE), Vol 7..........................................................0658 00 REPAIR OF TOW TUBE EQUIPMENT BAGS, Vol 7................................................. ..........................0659 00 REPAIR OF INNER CASE, Vol 7.........................................................................................................0660 00 REPAIR OF TENT, Vol 7......................................................................................................................0661 00 REPAIR OF TARPAULIN, Vol 7...........................................................................................................0662 00
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TABLE OF CONTENTS – Continued WP Sequence No. REPAIR OF PONCHO, WET WEATHER NYLON, CAMOUFLAGE, Vol 7...........................................0663 00 REPAIR OF HAT, REVERSIBLE COTTON, Vol 7................................................................................0664 00 POCKET STOVE ALTERATION, Vol 7................................................................................................0665 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 7..................................................................0666 00 CHAPTER 118 – SUPPORTING INFORMATION, Vol 7 REFERENCES, Vol 7..........................................................................................................................0667 00 INTRODUCTION TO MAINTENANCE ALLOCATION CHART, Vol 7........................ ..........................0668 00 MAINTENANCE ALLOCATION CHART, Vol 7.......................................................... ..........................0669 00 INTRODUCTION TO RPSTL, Vol 7.....................................................................................................0670 00 REPAIR PARTS AND SPECIAL TOOLS LIST, Vol 7............................................................................0671 00 Group 01 Two-Crewmember AMSS.........................................................................................0671 00 Group 02 Three-Crewmember AMSS......................................................................................0671 00 Group 03 Four-Crewmember AMSS........................................................................................0671 00 Group 04 TOW Tube AMSS.....................................................................................................0671 00 Group 05 Approved AMSS Equipment List .................................................... ..........................0671 00 Group 06 MROD Assembly......................................................................................................0671 00 Group 07 Components of Rigid Containers..............................................................................0671 00 Group 08 Approved Quick-Disconnect Adapters Floor Fitting..................................................0671 00 Group 09 Survival Kit, Ready Access, Modular (SKRAM).............................. ..........................0671 00 NSN INDEX, Vol 7...............................................................................................................................0672 00 PART NUMBER INDEX, Vol 7.............................................................................................................0673 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 7.............................................................................0674 00 Volume 8 WARNING SUMMARY, Vol 8 HOW TO USE THIS MANUAL, Vol 8 AIRCREW INTEGRATED RECOVERY SURVIVAL ARMOR VEST AND EQUIPMENT (AIRSAVE) CHAPTER 119 – EQUIPMENT DESCRIPTION AND THEORY OF OPERATION , Vol 8 INTRODUCTION, Vol 8.......................................................................................................................0675 00 EQUIPMENT DESCRIPTION AND DATA, Vol 8 ....................................................... ..........................0676 00 THEORY OF OPERATION, Vol 8........................................................................................................0677 00 CHAPTER 120 – OPERATOR INSTRUCTIONS , Vol 8 CONTROLS AND INDICATORS, Vol 8 ..................................................................... ..........................0678 00 ASSEMBLY AND PREPARATION FOR USE, Vol 8 .................................................. ..........................0679 00 CONFIGURATION, Vol 8 .......................................................................................... ..........................0680 00 EMERGENCY EVACUATION PROCEDURES: USING THE SAFETY RESTRAINT TETHER, Vol 8................................................................................................. ..........................0681 00 CHAPTER 121 – OPERATOR MAINTENANCE INSTRUCTIONS, Vol 8 PMCS INTRODUCTION, Vol 8............................................................................................................0682 00 PMCS, INCLUDING LUBRICATION INSTRUCTIONS, Vol 8..............................................................0683 00 CLEANING AND PREPARATION FOR STORAGE OR SHIPMENT PROCEDURES, Vol 8 ...................................................................................... ..........................0684 00
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TABLE OF CONTENTS – Continued WP Sequence No. CHAPTER 122 – AVIATION UNIT MAINTENANCE INSTRUCTIONS, Vol 8 SERVICE UPON RECEIPT, Vol 8 ............................................................................. ..........................0685 00 FITTING THE AIRSAVE, Vol 8 .................................................................................. ..........................0686 00 WEARING THE LEATHER SHOULDER HOLSTER WITH THE CMU-33A/P AND CMU-36/P AIRSAVE SURVIVAL VESTS, Vol 8..........................................................................0687 00 FITTING THE SMALL ARMS PROTECTIVE SOFT ARMOR, PRU-60A/P22P-15, Vol 8 ................................................................................. ..........................0688 00 FITTING THE SMALL ARMS PROTECTIVE HARD BODY ARMOR, PRU-61A/P22P-15, Vol 8 ................................................................................. ..........................0689 00 FITTING ARMY .50 CALIBER ARMOR, Vol 8........................................................... ..........................0690 00 CLEANING, Vol 8................................................................................................................................0691 00 REPAIR OF SURVIVAL VEST ATTACHMENT WEBBING, Vol 8.........................................................0692 00 REPAIR OF VEST HARNESS KEEPER, Vol 8....................................................................................0693 00 REPAIR OF RASCHEL KNIT NYLON MESH, Vol 8.............................................................................0694 00 REPAIR/REPLACEMENT OF LPU-21/P AND LPU-23/P COLLAR LOBE ATTACHMENT STRAP, Vol 8 ........................................................................... ..........................0695 00 ATTACHMENT OF THE SEA/SRU-40/P (HABD) HELICOPTER AIRCREW BREATHING DEVICE MOUTHPIECE COVER, Vol 8.................................................................0696 00 REPAIR/REPLACEMENT OF THE SURVIVAL VEST WAIST BELT LOOPS, Vol 8.............................0697 00 REPAIR/REPLACEMENT OF CMU-33A/P VEST LOOPLOCS, Vol 8.................................................0698 00 REPAIR/REPLACEMENT OF HOISTING HARNESS, Vol 8..................................... ..........................0699 00 INSTALLATION OF LEG STRAP QUICK RELEASE FITTINGS, Vol 8 ...................... ..........................0700 00 REPAIR/REPLACEMENT OF MODULAR POCKETS, Vol 8...............................................................0701 00 REPAIR OF KNIFE POCKET, Vol 8.....................................................................................................0702 00 REPAIR OF SURVIVAL VEST AND MODULAR POCKETS ATTACHMENT CORD, Vol 8...............................................................................................................................0703 00 INSTALLATION OF THE EXPANSION PANEL AND QUICK ADJUSTMENT STRAPS, Vol 8................................................................................................. ..........................0704 00 RIGGING AND PACKING, Vol 8..........................................................................................................0705 00 MODIFICATIONS, Vol 8......................................................................................................................0706 00 VERTICAL ATTACHMENT OF THE HABD/SEA POCKET, Vol 8 .............................. ..........................0707 00 REPAIR/REPLACEMENT OF SLIDE FASTENER, Vol 8.....................................................................0708 00 ATTACHMENT OF LPU-21/P, LPU-23/P, AND LPU-27/P LIFE PRESERVERS, Vol 8....................................................................................... ..........................0709 00 LPU-34/P AND LPU-37/P LOW PROFILE FLOTATION COLLAR (LPFC) ATTACHMENT, Vol 8..................................................................................................................0710 00 LPU-36/P LOW PROFILE FLOTATION COLLAR (LPFC) ATTACHMENT, Vol 8 ....... ..........................0711 00 MODIFICATION FOR ACCOMMODATION OF A HANDS-FREE HYDRATION SYSTEM, Vol 8...........................................................................................................................0712 00 MODIFICATION FOR CONFLICTING FITS WITH THE COUNTER PRESSURE VEST, Vol 8.................................................................................................................................0713 00 MODIFICATION FOR INSTALLATION OF JOINT HELMET MOUNTED CUEING SYSTEM (JHMCS), QUICK MOUNTING BRACKET ACCESS, Vol 8.........................................0714 00 ATTACHMENT OF U.S. ARMY MK-48 LIGHTWEIGHT MOTOR BLOWER (LWMB), Vol 8.............................................................................................................................0715 00 ATTACHMENT OF U.S. ARMY MK-49 LIGHTWEIGHT BLOWER MOTOR (LWBM), Vol 8.............................................................................................................................0716 00
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TABLE OF CONTENTS – Continued WP Sequence No. MAINTENANCE OF THE SMALL ARMS PROTECTIVE SOFT AND HARD BODY ARMOR, PRU-60A/P22P-15 AND PRU-61A/P22P-15, Vol 8........................... ..........................0717 00 CLEANING THE SMALL ARMS PROTECTIVE SOFT AND HARD BODY ARMOR, PRU-60A/P22P-15 AND PRU-61A/P22P-15, Vol 8.......................................... ..........................0718 00 CORRECTIVE MAINTENANCE, Vol 8................................................................................................0719 00 CASING ASSEMBLY, SOFT AND HARD ARMOR, Vol 8 .......................................... ..........................0720 00 HOOK AND PILE FASTENER TAPES, Vol 8.......................................................................................0721 00 SNAP FASTENERS, Vol 8 ........................................................................................ ..........................0722 00 ELASTIC COTTON WEBBING, REPAIR AND REPLACE, Vol 8.........................................................0723 00 REPAIR/REPLACEMENT OF BACK HARD ARMOR SUPPORT STRAP, Vol 8..................................0724 00 STORAGE, Vol 8.................................................................................................................................0725 00 U.S. ARMY RIGGING AND PACKING, Vol 8.......................................................................................0726 00 ILLUSTRATED LIST OF MANUFACTURED ITEMS, Vol 8..................................................................0727 00 CHAPTER 123 – SUPPORTING INFORMATION, Vol 8 REFERENCES, Vol 8..........................................................................................................................0728 00 INTRODUCTION TO REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL), Vol 8...........................0729 00 REPAIR PARTS LIST, Vol 8.................................................................................................................0730 00 Group 0101 Protective Assy, Aircrew Survival - Armor A/P22P-18(V)................ ..........................0730 00 Group 0102 Airsave Survival Vest, CMU-33A/P...........................................................................0730 00 Group 0103 CMU-36/P Airsave Survival Vest.................................................... ..........................0730 00 Group 0104 Small Arms Protective Soft Body Armor, PRU-60A/P22P-15....................................0730 00 Group 0105 Small Arms Protective Hard Body Armor, PRU-61A/P22P-15 ........ ..........................0730 00 NATIONAL STOCK NUMBER INDEX, Vol 8 ............................................................. ..........................0731 00 PART NUMBER INDEX, Vol 8.............................................................................................................0732 00 COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS, Vol 8................................................................................................................................0733 00 ADDITIONAL AUTHORIZATION LIST (AAL), Vol 8.............................................................................0734 00 EXPENDABLE AND DURABLE ITEMS LIST, Vol 8.............................................................................0735 00 TOOL IDENTIFICATION LIST, Vol 8....................................................................................................0736 00 U.S. ARMY PROGRAM DATA, Vol 8...................................................................................................0737 00
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HOW TO USE THIS MANUAL This manual covers the functional aspects of the Air Warrior system, including system description, safety, disassembly, assembly, operation interface, field operations, data recording, field maintenance and support. The Air Warrior manual is organized into 8 Volumes and each volume is made up of numbered chapters. The chapters divide the TM into major components that comprise the Air Warrior system and then into specific functional information for that component such as: General Information, Operating Instructions, Troubleshooting Information, Maintenance Information, Parts and Supporting Information. Each of the chapters is then divided into multiple Work Packages (WPs). The Table of Contents (TOC) lists the operator and maintenance tasks for Air Warrior. Each volume has its own TOC, except for Volume 1 which contains a TOC for the entire Air Warrior system. Status of work package revisions is found in the List of Effective Pages preceding the Table of Contents. USE OF SHALL, SHOULD, AND MAY Within this technical manual, the word shall is used to indicate a mandatory requirement. The word should is used to indicate non-mandatory but preferred method of accomplishment. The word may is used to indicate an acceptable method of accomplishment. Work Packages are intended to be all-inclusive miniature "books" that contain all the information required to complete a task: Initial Setup (Tools and Special Tools, Materials/Parts, References), required steps/paragraphs, figures, and tables. All task descriptions will lead the user step-by-step through the procedure. Before beginning a task, the user should read through the procedure completely to determine the procedure’s goal, then go back and follow the steps as written. There is a Repair Parts Special Tools List (RPSTL) for each major component of the Air Warrior system. Each volume of Air Warrior will contain more than one RPSTL. The RPSTL is comprised of Introduction work package and the RPSTL itself which is divided into the following work packages. REPAIR PARTS LIST WORK PACKAGES - Work packages containing lists of spares and repair parts authorized by this RPSTL for use in the performance of maintenance. These work packages also include parts which must be removed for replacement of the authorized parts. Parts lists are composed of functional groups in ascending alphanumeric sequence, with the parts in each group listed in ascending figure and item number sequence. SPECIAL TOOLS LIST WORK PACKAGES - Work packages containing lists of special tools, special TMDE, and special support equipment authorized by this RPSTL (as indicated by Basis of Issue (BOI) information in the DESCRIPTION AND USABLE ON CODE (UOC) column). CROSS-REFERENCE INDEXES WORK PACKAGES - There are two cross reference indexes work packages in this RPSTL: the National Stock Number (NSN) Index work package and the Part Number (P/N) Index work package. The National Stock Number Index work package refers you to the figure and item number. The Part Number Index work package refers you to the figure and item number.
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HOW TO USE THIS MANUAL – Continued
WARNINGS, CAUTIONS, AND NOTES The signal words WARNING, CAUTION, and NOTE are used to identify levels of hazard seriousness. These signal words are used throughout this document to emphasize critical information. Read and follow these statements to ensure personnel safety and prevent product damage. The signal words are defined below.
WARNING A procedure, practice, or condition, etc. that may result in injury or death if not carefully observed or followed.
CAUTION A procedure, practice, or condition, etc. that may damage equipment if not carefully observed or followed.
NOTE A procedure, practice, or condition, etc. that is essential to emphasize.
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CHAPTER 1 GENERAL INFORMATION, EQUIPMENT DESCRIPTION AND THEORY OF OPERATION FOR ENSEMBLE (PART NO. 1005802-1) (NSN: 1680-01-510-1596)
TM 1-1680-377-13&P-1
0001 00
ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A GENERAL INFORMATION SCOPE Purpose of Equipment. The Air Warrior Ensemble is a suite of Aviation Life Support Equipment (ALSE) that increase the survivability of aircrew in rotary and fixed wing aircraft. The Air Warrior Ensemble includes:
• • • • • • • • • • • • • • •
Primary Survival Gear Carrier (PSGC) HGU-56/P Helmet Improved Aircrew Battle Dress Uniform (IABDU) or Army Aviation Combat Uniform (A2CU) AN/PRC-112 and AN/PRC-90 Radios Low Profile Flotation Collar (LPFC) Over Water Gear Carrier (OWGC) Anti-Exposure Assembly (AEA) Underwater Breathing Device (UBD) M45 Chemical/Biological Masks Chemical Protective Clothing (CPC) Microclimate Cooling Garment (MCG) Body Armor (BA) MBU-12/P Mask Helicopter Oxygen System (HOS) or Portable Helicopter Oxygen Delivery System (PHODS) Aviation Night Vision Imaging System (ANVIS)
MAINTENANCE FORMS, RECORDS, AND REPORTS Department of the Army forms and procedures used for equipment maintenance will be those prescribed by (as applicable) DA PAM 750-8, The Army Maintenance Management System (TAMMS) Users Manual; DA PAM 738-751, Functional Users Manual for the Army Maintenance Management System - Aviation (TAMMS-A); or AR 700-138, Army Logistics Readiness and Sustainability. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR) If your Air Warrior Ensemble needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you do not like about your equipment. Let us know why you do not like the design or performance. If you have Internet access, the easiest and fastest way to report problems or suggestions is to follow the instructions and links below: For ALL non-Aviation/Missile Warranty, EIR and PQDRs must be submitted through the Web Product Quality Deficiency Reporting (PQDR) site. Note that all CECOM managed (B16), including aviation, items must also be submitted through the following site. The Web PQDR Web site is: http://www.nslcptsmh.csd.disa.mil/webpqdr/webpqdr.htm . New accounts can be established at the following address: http://www.nslcptsmh.csd.disa.mil/accessforms/uarform.htm . All AMCOM (Aviation and Missile Command) Deficiency Reports (DRs), (Warranty, EIR, and PQDRs) must be submitted through the Joint Deficiency Reporting System (JDRS) at https://jdrs.mil/DR_Initiate.cfm?service=AR . You may also submit your information using an SF 368 (Product Quality Deficiency Report). You can send your SF 368 using e-mail, regular mail, or fax using the addresses/fax numbers specified in (DA PAM 750-8, The Army Maintenance Management System (TAMMS) Users Manual OR DA PAM 738-751, Functional Users Manual for the Army Maintenance Management Systems - Aviation (TAMMS-A) for aviation systems). We will send you a reply.
0001 00-1
0001 00
TM 1-1680-377-13&P-1
CORROSION PREVENTION AND CONTROL (CPC) Corrosion Prevention and Control (CPC) of Army materiel is a continuing concern. It is important that any corrosion problems with this item be reported so that the problem can be corrected and improvements can be made to prevent the problem in future items. While corrosion is typically associated with rusting of metals, it can also include deterioration of other materials, such as rubber and plastic. Unusual cracking, softening, swelling, or breaking of these materials may be a corrosion problem. If a corrosion problem is identified, it can be reported using SF 368. Use of key words such as "corrosion," "rust," "deterioration," or "cracking" will ensure that the information is identified as a CPC problem. The form should be submitted to the address specified in DA PAM 738-751. OZONE DEPLETING SUBSTANCES (ODS) The continued use of ODS has been prohibited by Executive Order 12856 of 3 August 1993. The use of ODS in Army TMs is prohibited. A listing of these substances will be provided by the acquiring activity. DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE For information concerning destruction of Army materiel to prevent enemy use, refer to TM 750-244-1-5, Procedures for Destruction of Aircraft and Associated Equipment to Prevent Enemy Use. PREPARATION FOR STORAGE OR SHIPMENT Preparation for storage or shipment of the Air Warrior Ensemble can be found in the separate item sections of this TM 1-1500-204-23 (Series).
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0001 00
LIST OF ABBREVIATIONS/ACRONYMS
Term ALSE AMSS ANVIS ASI AVIM AVUM A2CU BII BAOS CAGEC COEI CB CPC DA PAM EEP EIR FM LPFC HOS IABDU L-QD MAC MCG MCS MCPU MCU MTOE NBC NSN ODS OWGC PSGC QRSB RCM RPSTL SBA S.E.A. TAMMS-A TMDE UBD
Definition Aviation Life Support Equipment Aircraft Modular Survival System Aviator’s Night Visioning Image System Additional Skill Identifier Aviation Intermediate Maintenance Aviation Unit Maintenance Army Aircrew Combat Uniform Basic Issue Items Body Armor Overlay System Commercial and Government Entity Code Components of End Item Chemical Biological Corrosion Prevention and Control Department of the Army Pamphlets Extended Equipment Pouch Equipment Improvement Recommendations Field Manual Low Profile Flotation Collar Helicopter Oxygen Systems Improved Aircrew Battle Dress Uniform Liquid Quick Disconnect Assembly Maintenance Allocation Chart Microclimate Cooling Garment Microclimate Cooling System Modified Chemical Protective Undergarment Aircraft Mounted Cooling Unit Modified Table of Organization and Equipment Nuclear, Biological, and Chemical National Stock Number Ozone Depleting Substances Over Water Gear Carrier Primary Survival Gear Carrier Quick Release Safety Buckle Reliability Centered Maintenance Repair Parts and Special Tools List Soft Body Armor Survival Egress Air The Army Maintenance Management System - Aviation Test, Measurement, and Diagnostic Equipment Underwater Breathing Device
CALIBRATION Components, accessories, or instruments that require calibration can be found in the separate item sections of this manual.
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0002 00
ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A EQUIPMENT DESCRIPTION AND DATA EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES AIR WARRIOR ENSEMBLE (AWE) The Air Warrior Ensemble (AWE), shown in Figure 1, is a suite of Aviation Life Support Equipment components that integrates and complements each other to improve air crew mission(s) capability by relieving the constraints, stress, fatigue, and discomfort caused by excessive non-integrated ALSE and aircraft equipment. It improves aircrew mission performance inclusive of, but not limited to: aircraft control tasks, safety of flight, aircraft mission equipment operations, communications, endurance, situational awareness, routine ground activities, and escape and evasion. The AWE increases the survivability of aircrews in rotary and fixed wing aircraft, in all environments. Its major components are as follows.
MS100337A
Figure 1.
Air Warrior Ensemble (AWE).
0002 00-1
0002 00
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LOCATION AND DESCRIPTION OF MAJOR COMPONENTS AIR WARRIOR ENSEMBLE MAJOR COMPONENTS Primary Survival Gear Carrier (PSGC) The PSGC (Figure 2 and Figure 3) provides extraction/restraint capability and a mounting platform for survival equipment (WP 0071 00).
MS098722C
Figure 2.
Primary Survival Gear Carrier (PSGC), GEN I/II.
MS098818C
Figure 3.
Primary Survival Gear Carrier (PSGC), GEN III.
0002 00-2
TM 1-1680-377-13&P-1
0002 00
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Body Armor Overlay System (BAOS) The BAOS (Figure 4) provides extraction/restraint capability and a mounting platform for survival equipment (WP 0071 00).
MS040477
Figure 4.
Body Armor Overlay System (BAOS).
Over Water Gear Carrier (OWGC) The OWGC (Figure 5 and Figure 6) provides mounting platform for a one man life raft, survival items, and Under Water Breathing Device (UBD) (WP 0324 00).
MS038631
Figure 5.
Over Water Gear Carrier (OWGC), GEN I/II.
0002 00-3
0002 00
TM 1-1680-377-13&P-1
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED
MS038630
Figure 6.
Over Water Gear Carrier (OWGC), GEN III.
Body Armor (BA) The Air Warrior Body Armor (Figure 7 and Figure 8) provides small arms and shrapnel protection for aircrews flying over hostile territory (WP 0513 00).
MS038633
Figure 7.
Body Armor (BA), GEN I/II.
MS038632
Figure 8.
Body Armor (BA), GEN III.
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TM 1-1680-377-13&P-1
0002 00
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Low Profile Flotation Collar (LPFC) The LPFC (Figure 9 and Figure 10) provides flotation for aircrew and was designed to keep the head above water (WP 0272 00).
MS038636
Figure 9.
Low Profile Flotation Collar (LPFC), GEN I/II.
MS038635
Figure 10.
Low Profile Flotation Collar (LPFC), GEN III.
0002 00-5
0002 00
TM 1-1680-377-13&P-1
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Chemical Protective Clothing (CPC) The CPC (Figure 11) provides chemical/biological protection against all known chemical agent vapors, liquid droplets; biological agents; toxins; and radioactive alpha and beta particles (WP 0538 00).
MS098718A
Figure 11.
Chemical Protective Clothing (CPC).
Microclimate Cooling Garment (MCG) The MCG (Figure 12) provides heat stress relief while in hot temperature environment or while using chemical/biological equipment (WP 0601 00).
MS098719A
Figure 12.
Microclimate Cooling Garment (MCG).
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0002 00
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Anti-Exposure Assembly (AEA) The AEA (Figure 13) provides protection from exposure to cold water temperatures (WP 0253 00).
MS098721A
Figure 13.
Anti-Exposure Assembly (AEA).
AIR WARRIOR CONFIGURATIONS Table 1 describes the different configurations over land and over water of the Air Warrior Ensemble for the pilot/co-pilot and non-rated aircrew. For a description of the codes used, refer to Table 2. Table 1.
Air Warrior Configurations.
COMPONENT
OVER LAND
OVER WATER
PILOT/ CO-PILOT
NON-RATED AIRCREW
PILOT/ CO-PILOT
NON-RATED AIRCREW
Soft Armor
1
1
1
1
Ballistic Upgrade Plate -- Hard Armor (Front)
2
2
2
2
3
Ballistic Upgrade Plate -- Hard Armor (Rear) PSGC
R
BAOS
6
Mask Blower Pouch
3
R
R
R
4
4
4
4
CB Blower
4
4
4
4
Pistol Holster
5
5
5
5
M9 Pistol
5
5
5
5
Safety Restraint Tether (SRT)
9
9
9
9
Extraction Strap
R
R
R
R
Carabiner, Front
R
R
R
R
Microclimate Cooling System (MCS)
7
7
7
7
0002 00-7
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LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Table 1.
Air Warrior Configurations. – Continued
COMPONENT
OVER LAND
OVER WATER
PILOT/ CO-PILOT
NON-RATED AIRCREW
PILOT/ CO-PILOT
NON-RATED AIRCREW
CB (Chemical Biological) Protective Suit
7
7
7
7
EEP
9
9
9
9
LPFC
10
10
OWCG
10
10
S.E.A. Pouch
10
10
UBD
10
10
Lumbar Support
8
8
8
8
ASEK
R
R
R
R
R
Crew Restraint Assembly (CRA)
R 7
Anti-Exposure Assembly (AEA)
0002 00-8
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0002 00
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED
Table 2. Key
Key for Air Warrior Configurations.
Description
R
Required for all aircrew at all times.
1
Soft armor to be worn in hostile fire areas.
2
Hard armor (front) to be worn in hostile fire areas requiring greater than small arms protection.
3
Hard armor (back) to be worn by non-rated aircrew in hostile fire areas requiring greater than small arms protection.
4
Required for all aircrew using CB blower as required by mission (Except AH-64 Apache).
5
Pistol use as directed when issued.
6
OH-58D aircrew only.
7
As required by mission.
8
Lumbar support optional as desired by aircrew.
9
Optional as desired by aircrew.
10
As required per AR 95-1 (Flight Regulations).
EQUIPMENT DATA AIR WARRIOR ENSEMBLE (AWE) SUBASSEMBLIES The Air Warrior Ensemble (AWE) weighs approximately 85 lbs. This weight includes the following subassemblies: 1. 2. 3. 4. 5. 6. 7. 8. 9.
Primary Survival Gear Carrier (PSGC) Aircrew Integrated Helmet System (HGU-56/P) Over Water Gear Carrier (OWGC) Body Armor (BA) Low Profile Flotation Collar (LPFC) Chemical Protective Clothing (CPC) Microclimate Cooling Garment (MCG) Army Aircrew Combat Uniform (A2CU) Anti-Exposure Assembly (AEA)
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CHAPTER 2 OPERATOR INSTRUCTIONS FOR ENSEMBLE (PART NO. 1005802-1) (NSN: 1680-01-510-1596)
TM 1-1680-377-13&P-1 OPERATOR INSTRUCTIONS ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A CONTROL AND INDICATORS CONTROL AND INDICATORS There are no controls and indicators.
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0004 00
OPERATOR INSTRUCTIONS ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A OPERATION UNDER USUAL CONDITIONS INITIAL SETUP: NA OPERATION UNDER USUAL CONDITIONS There are no operation under usual conditions for the entire Air Warrior Ensemble. Refer to WP 0006 00 for more information. END OF WORK PACKAGE
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TM 1-1680-377-13&P-1 OPERATOR INSTRUCTIONS ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A OPERATION UNDER UNUSUAL CONDITIONS INITIAL SETUP: NA UNUSUAL ENVIRONMENT/WEATHER There are no operation under unusual conditions END OF WORK PACKAGE
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0005 00
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CHAPTER 3 AVIATION UNIT MAINTENANCE INSTRUCTIONS FOR ENSEMBLE (PART NO. 1005802-1) (NSN: 1680-01-510-1596)
TM 1-1680-377-13&P-1 AVIATION UNIT MAINTENANCE ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A AIR WARRIOR ENSEMBLE SUBASSEMBLIES INITIAL SETUP: References WP 0256 00 WP 0541 00 WP 0274 00 WP 0604 00
References (cont.) WP 0327 00 WP 0077 00 WP 0013 00
INSPECTION OF INSTALLED ITEMS AIR WARRIOR ENSEMBLE SUBASSEMBLIES OPERATION Refer to Table 1 for the Air Warrior Ensemble subassembly Preventive Maintenance Checks and Services.
Table 1.
Air Warrior Ensemble Subassemblies.
Subassembly
Work Package
Aircrew Integrated Helmet System (AIHS) (HGU-56/P)
WP 0030 00
Anti-Exposure Assembly (AEA)
WP 0258 00
Body Armor (BA)
WP 0526 00
Chemical Protective Clothing (CPC)
WP 0543 00
Low Profile Flotation Collar (LPFC)
WP 0283 00
Microclimate Cooling Garment (MCG)
WP 0612 00
Over Water Gear Carrier (OWGC)
WP 0339 00
Primary Survival Gear Carrier (PSGC)
WP 0093 00
END OF WORK PACKAGE
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0006 00
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CHAPTER 4 SUPPORTING INFORMATION FOR ENSEMBLE (PART NO. 1005802-1) (NSN: 1680-01-510-1596)
TM 1-1680-377-13&P-1
0007 00
SUPPORTING INFORMATION ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A REFERENCES SCOPE This lists all forms and publications referenced in this manual and required by the user to maintain the Air Warrior Ensemble. ARMY REGULATIONS (AR) AR 95-1 AR 700-138
Flight Regulations Army Logistics Readiness and Sustainability
DEPARTMENT OF THE ARMY PAMPHLETS (DA PAM) DA PAM 710-2-2 DA PAM 738-751 DA PAM 750-8
Supply Support Activity System: Manual Procedures Functional Users Manual for the Army Maintenance Management System - Aviation (TAMMS-A) The Army Maintenance Management System (TAMMS) Users Manual
STANDARD FORMS (SF) SF 368
Product Quality Deficiency Report
TECHNICAL MANUALS (TM) TM 750-244-1-5
Procedures for Destruction of Aircraft and Associated Equipment to Prevent Enemy Use
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TM 1-1680-377-13&P-1 SUPPORTING INFORMATION ENSEMBLE PART NO. 1005802-1 NSN 1680-01-510-1596 EIC: H7A SUPPORT ITEMS There are no support items.
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CHAPTER 5 GENERAL INFORMATION, EQUIPMENT DESCRIPTION AND THEORY OF OPERATION FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
TM 1-1680-377-13&P-1
0009 00
HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP GENERAL INFORMATION SCOPE Type of Manual Operator and Aviation Unit Maintenance Manual. Equipment Name and Model Number There is no Integrated Helmet Unit (IHU) model number. Purpose of Equipment To provide a custom fitted helmet affording acoustic, eye, and head protection for aircrew personnel. MAINTENANCE FORMS, RECORDS, AND REPORTS Department of the Army forms and procedures used for equipment maintenance will be those prescribed by (as applicable) DA PAM 750-8, The Army Maintenance Management System (TAMMS) Users Manual; DA PAM 738-751, Functional Users Manual for the Army Maintenance Management System - Aviation (TAMMS-A); or AR 700-138, Army Logistics Readiness and Sustainability. IHADSS inspection record keeping will be accomplished by Aviation Life Support Equipment (ALSE) personnel. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR) If your Aircrew Integrated Helmet System needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you do not like about your equipment. Let us know why you do not like the design or performance. If you have Internet access, the easiest and fastest way to report problems or suggestions is to follow the instructions and links below: For ALL non-Aviation/Missile Warranty, EIR and PQDRs must be submitted through the Web Product Quality Deficiency Reporting (PQDR) site. Note that all CECOM managed (B16), including aviation, items must also be submitted through the following site. The Web PQDR Web site is: http://www.nslcptsmh.csd.disa.mil/webpqdr/webpqdr.htm . New accounts can be established at the following address: http://www.nslcptsmh.csd.disa.mil/accessforms/uarform.htm . All AMCOM (Aviation and Missile Command) Deficiency Reports (DRs), (Warranty, EIR, and PQDRs) must be submitted through the Joint Deficiency Reporting System (JDRS) at https://jdrs.mil/DR_Initiate.cfm?service=AR . You may also submit your information using an SF 368 (Product Quality Deficiency Report). You can send your SF 368 using e-mail, regular mail, or fax using the addresses/fax numbers specified in (DA PAM 750-8, The Army Maintenance Management System (TAMMS) Users Manual OR DA PAM 738-751, Functional Users Manual for the Army Maintenance Management Systems - Aviation (TAMMS-A) for aviation systems). We will send you a reply. CORROSION PREVENTION AND CONTROL (CPC) Corrosion Prevention and Control (CPC) of Army materiel is a continuing concern. It is important that any corrosion problems with this item be reported so that the problem can be corrected and improvements can be made to prevent the problem in future items. While corrosion is typically associated with rusting of metals, it can also include deterioration of other materials, such as rubber and plastic. Unusual cracking, softening, swelling, or breaking of these materials may be a corrosion problem. If a corrosion problem is identified, it can be reported using SF 368. Use of key words such as "corrosion," "rust," "deterioration," or "cracking" will ensure that the information is identified as a CPC problem. The form should be submitted to the address specified in DA PAM 738-751. OZONE DEPLETING SUBSTANCES (ODS) The continued use of ODS has been prohibited by Executive Order 12856 of 3 August 1993. The use of ODS in Army IETMs is prohibited. A listing of these substances will be provided by the acquiring activity. 0009 00-1
0009 00
TM 1-1680-377-13&P-1
DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE Refer to TM 750-244-1-5 for methods of destruction. PREPARATION FOR STORAGE OR SHIPMENT Instructions for storage or shipment are contained in WP 0030 00, AVIATION UNIT PMCS and TM 1-1500-204-23 (Series), General Aircraft Maintenance Manual. WARRANTY INFORMATION Not Applicable. NOMENCLATURE CROSS-REFERENCE The following is an alphabetical listing of common names used in this manual cross-referenced by official nomenclature. Table 1. Nomenclature Cross-Reference. Common Name
Official Nomenclature
Communication Cable
Tempest Cord Assembly
Earphone
Receiver
Harness Assembly
Wire Harness
IHADSS
Integrated Helmet and Display Sight System
IHU
Helmet Unit, Integrated
Microphone and Boom Assembly
Boom Microphone
Energy Absorbing Liner
Lining, Helmet, Shock (EAL)
Thermoplastic Liner
Lining, Helmet, Shock (TPL)
LIST OF ABBREVIATIONS/ACRONYMS
Term AAI AIHS ALSE ANVIS AWIS BII CB CEP CEPS COEI DAP DVA EAL FD/LS FLIR HDU IEA IHADSS IHU MAC
Definition Additionally Authorized Items Aircrew Integrated Helmet System Aviation Life Support Equipment Aviator’s Night Vision Imaging System Aircraft Wireless Intercom System Basic Issue Items Chemical-Biological Communication Ear Plug Communication Enhancement and Protection System Components of End Item Digital-to-Analog Processor Dual Visor Assembly Energy-Absorbing Liner Fault Detection and Location System Forward Looking Infrared Radar Helmet Display Unit Integrated Electronics Assembly Integrated Helmet and Display Sighting System Integrated Helmet Unit Maintenance Allocation Chart 0009 00-2
TM 1-1680-377-13&P-1
0009 00
LIST OF ABBREVIATIONS/ACRONYMS – CONTINUED MTOE PHODS PMCS RPSTL SAB SAU SCL S-HDU SVA TMDE TPL USAARL
Modified Table of Organization and Equipment Portable Helicopter Oxygen Delivery System Preventive Maintenance Checks and Services Repair Parts and Special Tools List Swivel Assembly, Boom Sensor Assembly Unit Super Comfort Liner Simulated Helmet Display Unit Single Visor Assembly Test, Measurement, and Diagnostic Equipment Thermoplastic Liner United States Army Aviation Research Laboratory
QUALITY ASSURANCE (QA) Quality assurance information you are required to use is explained in FM 3-04.500, Army Aviation Maintenance. QUALITY OF MATERIAL Material used for replacement, repair, or modification must meet the requirements of this manual. If quality of material requirements are not stated in this manual, the material must meet the requirements of the drawings, standards, specifications, or approved engineering change proposals applicable to the subject equipment. SAFETY, CARE, AND HANDLING Aside from the Warnings, Cautions, and Notes listed in this manual, no specific safety, care, or handling procedures apply to the AIHS. When traveling aboard commercial aircraft, always carry the AIHS with you; do not place it aboard as baggage. The AIHS will fit in most airline overhead storage compartments. CALIBRATION Within the scope of this manual there are no components, accessories, or instruments that require calibration. Special tools and test equipment shall be calibrated as specified in TB 43-180, Calibration Requirements for the Maintenance of Materiel.
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0010 00
HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP DESCRIPTION AND DATA EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES HGU-56/P AIRCREW INTEGRATED HELMET SYSTEM (AIHS) DESCRIPTION The HGU-56/P AIHS (see WP 0010 00 STANDARD COMPONENTS and WP 0010 00 ADDITIONALLY AUTHORIZED ITEMS) provides ear, eye, and head protection for aircrew personnel. Through a custom-fitting process, the AIHS provides a stable mounting base for all modules and components. The basic helmet subassembly includes the following components:
• • • • • • •
Helmet shell Energing Absorbing Liner (EAL) Thermoplastic Liner (TPL) Retention Assembly Shell, earphone assembly Standard communications system Aviator’s Night Vision Imaging System (ANVIS) dual visor assembly
Additional Equipment
NOTE
• •
The Cobra dual visor and AH-1 Cobra sight modules are Modified Table of Organization and Equipment (MTOE) property and will remain with the unit. The helmet remains with the aviator and is accounted for by the aviator as clothing and equipment.
In addition, the AIHS supports the integration of various equipment and modules, such as:
• • • • • • • • • •
Cobra dual visor system module, which features a mounting area for the AH-1 Cobra helmet sighting system and offset ANVIS mount Laser-protective visors ANVIS goggles, which afford enhanced vision for night flying MBU-12/P oxygen mask cowling device TEMPEST communications system Lip Light Maxillofacial Shield (MFS) Communication Ear Plugs (CEP) Communication Enhancement and Protection System (CEPS) Portable Helicopter Oxygen Delivery System (PHODS)
Weight The AIHS weighs approximately 3 lbs (1.38 kg.). This weight includes the following subassemblies:
• • • • • •
Helmet shell Chin strap and nape strap pad Shell, Earphone Assembly Energy-Absorbing Liner (EAL) and Thermoplastic Liner (TPL) Communication system Dual-visor Assembly 0010 00-1
0010 00
TM 1-1680-377-13&P-1
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES – CONTINUED Sizes and Dimensions The AIHS is available in six sizes: XXS, XS, S, M, L, and XL. By design, only four sizes (S, M, L, and XL) of the helmet shell are needed. AIHS sizes XXS, XS, and S are accommodated by a size S helmet shell incorporating varying liner thicknesses. Table 1 indicates the dimensions for each helmet shell size. Cobra DVA Housing Sizes Table 2 indicates the sizes of of the Cobra DVA to be used with each size of the AIHS helmet.
Table 1.
Helmet Shell Dimensions.
SIZE
LENGTH inches (cm)
WIDTH inches (cm)
HEIGHT inches (cm)
S
9.3 (23.7)
10.6 (26.9)
9.5 (24.1)
M
9.6 (24.5)
10.7 (27.2)
9.6 (24.4)
L
9.9 (25.2)
10.8 (27.4)
9.7 (24.9)
XL
10.2 (26.0)
10.9 (27.7)
9.8 (24.9)
Table 2.
Cobra Housing Sizes.
HELMET SIZE
COBRA HOUSING NSN
XXS, XS, S
8415-01-394-8027
M
8415-01-394-8028
L
8415-01-394-8030
XL
8415-01-394-8029
0010 00-2
TM 1-1680-377-13&P-1
0010 00
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES – CONTINUED EQUIPMENT CONFIGURATION The compatibility of the AH-1 Cobra gunsight, ANVIS, oxygen mask and CB mask is shown in Table 3.
Compatibility Chart.
M45 CB MASK
OXYGEN (MBU-12/P)
NIGHT VISION (ANVIS)
AH-1 COBRA GUNSIGHT
Table 3.
X - INDICATES COMPATIBILITY X1
AH-1 Cobra GUNSIGHT NIGHT VISION (ANVIS)
X1
OXYGEN (MBU-12/P)
X
X
M45 CB MASK
X
X
X
X
X
X
1 Offset ANVIS goggles and the AH-1 Cobra gunsight may be installed on the same helmet, but only one may be used at a time.
0010 00-3
0010 00
TM 1-1680-377-13&P-1
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS STANDARD COMPONENTS
7
6
1
5
4
3 MS098856A
2
Figure 1.
Table 4.
Standard Components of AIHS.
Standard Components of the AIHS.
Item No.
Component
Description/Location
1
Helmet Shell
Protects the head from impact; provides for ventilation
2
Boom/Microphone Assembly
Part of communications assembly, which also includes earphones and a communications cord.
3
Retention Assembly
Stabilizes the helmet on the head; consists of earcup retaining pads, a chinstrap, and a nape strap pad with adjustable straps.
4
Earcups
Protect hearing by reducing noise and absorbing lateral impact.
5
Energy-Absorbing Liner (EAL)
Absorbs and reduces impact forces.
6
Thermoplastic Liner (TPL)
Optimizes fit and comfort; can be heat-softened and custom-fitted if necessary.
7
Dual Visor Assembly
Protects the wearer’s eyes from sun glare, flash fires, ballistic spall, dust, and foreign particles; provides a mounting area for ANVIS night vision goggles.
0010 00-4
TM 1-1680-377-13&P-1
0010 00
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS ADDITIONALLY AUTHORIZED ITEMS
4
3
2
1
17
5 6
16
7
8
15
14
9
13 10
11
CANAL TIPS
12
MS040354
Figure 2.
Additionally Authorized Items of AIHS.
0010 00-5
0010 00
TM 1-1680-377-13&P-1
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED Table 5.
Additionally Authorized Items of AIHS.
Item No.
Component
Description/Location
1
Cobra Dual Visor Assembly Module
Provides all of the features of the ANVIS dual visor assembly; in addition, provides a mounting area for the AH-1 Cobra helmet sight. It is accountable unit Modified Table of Organization and Equipment (MTOE) property.
2
Laser Visors
Provides laser protection; can be used with ANVIS or Cobra dual visor assemblies.
3
Cowling for MBU-12/P Oxygen Mask
Improves helmet/mask retention.
4
Tempest Headset Assembly
Provides voice-secure communications.
5
Zeta II Liner
The Zeta II Liner is a self-molding fit system for the HGU and SPH series flight helmets, and the parachutist helmet.
6
Super Comfort Liner (SCL)
The Super Comfort Liner may be better suited for crewmembers that have hot spots caused by specific protuberances (i.e. bumps), cranial ridges or elevated scar tissue.
7
Anvis Goggles
Enhances night vision; can be used with the dual visor assembly or the Cobra dual visor assembly module.
8
HGU-56/P Field Change Kit
Consists of two adhesive backed vinyl strips that are placed inside the visor housing to protect the outer visor from scratches.
9
Lip Light
10
Communication Enhancement and Protection System (CEPS)
Allows the user to listen to surrounding ambient sounds, to communicate face to face, and to be protected for hazardous sound pressure levels.
11
Maxillofacial Shield (MFS)
Protects the lower face from flying debris.
12
Communications Earplug (CEP) Modification Kit
The following are part of the CEP Modification Kit. Communication Earplugs channel communications to ears while providing enhanced sound attenuation. Extension Cable is used when the M45 mask is worn. Interface Harness permits the CEP to be used with the earlier non-CEP helmet communications cord.
13
Chin Pad
May be used on chin strap assembly for added comfort and stability.
14
Helmet Bag
Enables the crewmember to carry the helmet and related iteMS to and from the aircraft.
15
Intercommunication Unit (ICU)
The ICU provides a means of communication for dismounted aviators wearing the CB mask and for testing the communication system.
16
Restrictor, Vision
Used in flight training; forces the crewmember to focus on the instrument panel.
17
Thermoplastic Liner (M45)
The TPL used with the M45 Mask consists of a layer assembly, cover assembly and brow pad. It is cut smaller than the standard thermoplastic liner to allow room for the M45 mask and hood. When the M45 mask is not worn, a brow pad included with the TPL fills the space normally taken up by the mask.
0010 00-6
TM 1-1680-377-13&P-1 EQUIPMENT DATA
N/A
0010 00-7/8 blank
0010 00
TM 1-1680-377-13&P-1
0011 00
HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP THEORY OF OPERATION THEORY OF OPERATION Helmet Shell Constructed of graphite and polyethylene, the helmet shell (Figure 1) protects the head from impact and sharp objects.
MS098858A
Figure 1.
Helmet Shell.
Energy Absorbing Liner (EAL) The polystyrene EAL (Figure 2, Item 1) absorbs and reduces impact forces. Cutouts and channels in the liner allow space for internal components. The EAL is attached to the inside of the helmet shell via hook and pile fastener. Thermoplastic Liner (TPL) The TPL consists of molded polyvinyl acetate sheets (Figure 2, Item 2) attached to a removable, washable, cloth cover (Figure 2, Item 3). The preformed TPL will fit most head shapes. The TPL can be heat-softened and custom-fitted (refer to WP 0032 00 for procedures). The TPL is attached to the inside of the EAL via hook and pile fasteners. 1 2
EAL
3
TPL MS098859A
Figure 2.
EAL/TPL.
0011 00-1
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED Super Comfort Liner (SCL) The Super Comfort Liner may be better suited for crewmembers that have hot spots caused by specific protuberances (i.e. bumps), cranial ridges or elevated scar tissue. In these cases the SCL can be heat treated and form fitted around the cause of the hot spot. Refer to for part numbers and corresponding sizes. Super Comfort Liner Sizes Part Number
Size
02D11531-8
XXS
02D11531-9
XS
02D11531-10
S
02D11531-11
M
02D11531-12
L
02D11531-13
XL
Zeta II Liner The Zeta II Liner is a self-molding fit system for the HGU and SPH series flight helmets, and the parachutist helmet. The multi-layer construction of the Zeta II Liner consists of a core of visco-elastic foam covered with a fabric designed to adhere to hook fastening strips on the helmet’s EAL surface and a perspiration wicking fabric on the scalp surface. Once donned by the crewmember, the foam core of the system reacts to body temperature, forming to the individual cranial shape. The wicking nature of the inner fabric and the cooling qualities of the confor foam eliminated perspiration problems while reducing skin temperature 1.5 degrees F. TOP
BACK FRONT BOTTOM MS100114
Figure 3.
Zeta II Liner.
0011 00-2
TM 1-1680-377-13&P-1
0011 00
THEORY OF OPERATION – CONTINUED Retention Assembly The retention assembly consists of two earcup retaining pads, a nape strap pad, and a chin strap.
• • •
Earcup Retaining Pads. The earcup retaining pads (Figure 4, Item 1) support the earcups and the earcup spacer pads. Nape Strap Pad. The nape strap pad (Figure 4, Item 2) is located at the inside rear of helmet (beneath TPL), improves helmet stability by reducing forward rotation. Chin Strap. Constructed of nylon webbing reinforced with aramid tape, the chin strap (Figure 4, Item 3) assists in holding the helmet in place.
1
2 3 MS116141
Figure 4.
Strap Assembly, Chin.
Earcups Each earcup (Figure 5, Item 3 and Figure 5, Item 9) is attached to an earcup retaining pad (Figure 5, Item 10). Spacer pads (Figure 5, Item 11 and Figure 5, Item 12) may be installed behind each earcup retaining pad (against the helmet shell) if needed to improve earcup fit. Earseals (Figure 5, Item 5) provide comfort and sound attenuation. Communication System The AIHS communication system consists of the following:
• • •
A pair of earphones (Figure 5, Item 7), one tucked inside each receiver retainer (Figure 5, Item 6) and backed by a filler pad (Figure 5, Item 8). A communications cord (Figure 5, Item 4), attached to the outside of the earcups and microphone and anchored to the helmet shell. A boom swivel assembly (Figure 5, Item 2), located on the left side of the helmet, serves as the mount for the boom and microphone (Figure 5, Item 1).
0011 00-3
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED
2
1
3
4
Figure 5.
9
10
11
12
7
8
6
5 MS098861A
AIHS Earcups and Communication Assembly.
Communication Earplug (CEP) Modification Kit The Communications Earplug (CEP) Modification Kit (Figure 6)is designed to protect the ears from aircraft noise and to provide communications. The CEP consists of a standard CEP cable (Figure 6, Item 2) with two earplug modules (Figure 6, Item 1) and a connector end. The earplug modules feature foam tips that provide sound attenuation comparable to that of foam earplugs. The connector end (Figure 6, Item 6) of the CEP attaches to a connector on the right rear of the helmet. An interface harness (Figure 6, Item 5) allows the CEP cable to work with the existing helmet communications system and provides a jack permitting connection and detachment of the CEP. The extension cable (Figure 6, Item 4) connects the CEP to the helmet connector when the M45 mask hood is worn. 1
2
3
4
6
5
MS098958A
Figure 6.
CEP Modification Kit. 0011 00-4
TM 1-1680-377-13&P-1
0011 00
THEORY OF OPERATION – CONTINUED
Communication Enhancement and Protection System (CEPS) The CEPS is activated only during ground operations. Turn OFF near operating aircraft or when plugged into the aircraft ICS. The CEPS consists of: microphones, amplifiers circuits, gain/volume control, a rocker On/Off switch, AA battery pack and CEP interfaces with a wiring harness designed to be installed the HGU-56/P helmet shell. Microphones are placed at or near each ear to preserve the localization capability of the user in order to maintain situational awareness within the environment. The sound signals received by the microphones are processed separately in a linear fashion through the system to maintain fidelity of the received sound. The sound is then output to the communication earplugs interfaced in the helmet to complete the process. CEP INTERFACE HARNESS
MICROPHONE COVERS
EARPHONE ADAPTER PIN
SINGLE SIDE CEP
EARPLUGS MICROPHONE CEPS MODULE
BLACK WIRE WHITE WIRE
GAIN/VOLUME SWITCH BATTERY HOLDER
BLACK WIRE
QUICK−DISCONNECT INTERFACE
WHITE WIRE QUICK−DISCONNECT INTERFACE
CEPS MODULE
BATTERY PACK MS116082
Figure 7.
Communication Enhancement and Protection System (CEPS).
0011 00-5
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED Dual Visor Assembly The dual visor assembly has clear and neutral visor lenses, which are operated via actuating knobs (Figure 8, Item 1). The housing (Figure 8, Item 2) provides a mounting area (Figure 8, Item 3) for ANVIS goggles. 2
1
3
MS098862A
Figure 8.
ANVIS Dual Visor Assembly.
Cobra Dual Visor Assembly Module The Cobra dual visor housing provides a mounting area (Figure 9, Item 2) for ANVIS night vision goggles; in addition, it provides a mounting area (Figure 9, Item 3) for the AH-1 Cobra helmet sighting system, as well as an arm (Figure 9, Item 1) to hold the AH-1 Cobra magnetic coupler. This module is unit MTOE property. 1
3
2
MS100410A
Figure 9.
Cobra Dual Visor Assembly Module.
0011 00-6
TM 1-1680-377-13&P-1
0011 00
THEORY OF OPERATION – CONTINUED Laser-Protective Visors The laser-protective visors (Figure 10, Item 1 and Figure 10, Item 2) can be used with either the ANVIS or the Cobra dual visor assemblies. Included are an inner (light green, 2-notch, night-use) visor (Figure 10, Item 2) and an outer (bronze, 3-notch, day-use) visor (Figure 10, Item 2). 1
2
Figure 10.
MS098864A
Laser-Protective Visors.
Cowling for MBU-12/P Oxygen Mask The cowling improves the retention of the MBU-12/P oxygen mask to the helmet. Included with the cowling are straps, attaching hardware, and a longer microphone cord. COWLING
MS098865A
Figure 11.
MBU-12/P Oxygen Mask with Cowling.
0011 00-7
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED TEMPEST Headset The TEMPEST headset provides shielded communications. This system uses existing AIHS earcups and earphones.
MS098866A
Figure 12.
TEMPEST Headset.
Restrictor, Vision is the restrictor, vision (Figure 13) which is used in flight training. It blocks the crewmember’s side vision, thus forcing the crewmember to focus on the instrument panel.
MS098868A
Figure 13.
Restrictor, Vision.
0011 00-8
TM 1-1680-377-13&P-1
0011 00
THEORY OF OPERATION – CONTINUED Helmet Bag Assembly The helmet bag assembly features a removable, adjustable shoulder strap (Figure 14, Item 1) and two sewn-on hand straps (Figure 14, Item 5), all of nylon webbing. The non-locking top zipper, covered by a protective flap, allows the user to open the bag by pulling the sides apart. A front tab with a snap hook (Figure 14, Item 2) allows attachment of the bag to the interior of the aircraft. Two outer front pockets (Figure 14, Item 3) are suitable for holding the kneeboard and flight charts. The outer left-end pocket (Figure 14, Item 4) is designed to hold a commonly-used L-shaped flashlight. The bag also has an outer right-end pencil pocket (not shown). A large outside rear pocket (not shown) is suitable for holding maps, folded clothing, and other large, flat objects. Two inner side pockets (not shown) are designed to hold spare visor lenses.
5
1
2
4
3 MS098869A
Figure 14.
Helmet Bag.
Oxygen Mask Communications Adapter The oxygen mask communications adapter (Figure 15) provides an interface between the oxygen mask and the helmet communications system. A switch on the adapter plug allows the operator/wearer to select the helmet boom microphone or the mask microphone without having to disconnect from the aircraft communications system.
ADAPTER
MS098870A
Figure 15.
Oxygen Mask Communications Adapter. 0011 00-9
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED
Adapter, Microphone The adapter, microphone (Figure 16) provides an interface between the M45 mask and the TEMPEST communications system. A switch on the adapter plug allows the operator/wearer to select the helmet boom microphone or the mask microphone without having to disconnect from the aircraft communications system.
ADAPTER
MS098871A
Figure 16.
Adapter, Microphone.
M45 Mask Thermoplastic Liner Use of the M45 thermoplastic liner (Figure 17) is authorized only when you plan to wear the M45 mask. The brow pad is used in two situations: While you are on a mission and have removed the M45 mask, and when you are going on a mission without the M45 mask donned but you expect to don the mask during the mission. When you use the M45 TPL, the helmet bag should contain either the M45 mask or the brow pad; you should be wearing whichever item is not in the helmet bag. If you do not plan to use the M45 mask, do not use the M45 thermoplastic liner or the brow pad; use the standard thermoplastic liner instead.
MS098872A
Figure 17.
Lining, Helmet, Shock, M45 Mask.
0011 00-10
TM 1-1680-377-13&P-1
0011 00
THEORY OF OPERATION – CONTINUED Intercommunication Unit The Intercommunication Unit (ICU) (Figure 18) provides a means of communication for dismounted aviators wearing the CB mask and for testing the communication system on the HGU-56/P helmet. It is powered by a 9-volt battery and has a clip and hook that can be used to carry the unit. A four-position switch provides for control of communication. The four positions are as follows:
HARDWIRE
TALK/LISTEN LISTEN ONLY
OFF - Turns the ICU OFF LISTEN ONLY - This position enables the ICU microphone to supply a communication signal to the helmet earphones. TALK/LISTEN - This position enables the ICU microphone to supply a communication signal to the helmet earphones and to the ICU speaker. HARDWARE - This position is used when two aviator helmets are connected together through a single ICU, eliminating most of the background noise. It also allows for clearer communications when aviators are not connected to the aircraft and/or wearing CB mask.
OFF
• • • •
FOUR−POSITION SWITCH
Figure 18.
Intercommunication Unit.
0011 00-11
MS038668
0011 00
TM 1-1680-377-13&P-1
THEORY OF OPERATION – CONTINUED Maxillofacial Shield The maxillofacial shield (MFS) protects the lower facial area from flying debris. Latches (Figure 19) on the right and left sides of the MFS attach it to the helmet-mounted strikers (Figure 19). The MFS is designed to match the contour of the visors when either visor is deployed.
STRIKERS
LATCHES
MS098956A
Figure 19.
Maxillofacial Shield.
Lip Light Lip light’s green and white LEDs have a bright narrow beam to help keep stray light from interfering with another pilot’s vision (side scatter). ML-8, uses three green LEDs. ML-14, uses two green LEDs and one Xenon lamp for brightness and has a toggle switch. ML-18, uses three white LEDs. Lip lights preserve dark adaptation, uses two AA batteries, and is installed on the boom microphone, or equivalent microphone. Lip lights have a PUSH ON-PUSH OFF switch that can be actuated by the lip or tongue. A slight push on the switch causes momentary light, while a further push keeps the light on until another push by the lip or tongue turns the light off.
0011 00-12
TM 1-1680-377-13&P-1
CHAPTER 6 OPERATOR INSTRUCTIONS FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
TM 1-1680-377-13&P-1
0012 00
OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP CONTROLS AND INDICATORS CONTROLS AND INDICATORS GENERAL This section provides a functional description of all controls (knobs, straps, etc.) operated by the crewmember. Cap-Plug, Protective The cap-plug, protective (Figure 1, Item 3), located on the right rear of the helmet shell, is designed for the future addition of a blown air head cooling system. The adapter features a locking tab (Figure 1, Item 1) that prevents accidental disconnection of the proposed hose. A hinged cover (Figure 1, Item 2) assists in keeping dust out of the connector assembly when the hose is not in use.
2 1
3
MS098874A
Figure 1.
Cap-Plug, Protective.
0012 00-1
0012 00
TM 1-1680-377-13&P-1
CONTROLS AND INDICATORS – CONTINUED Chin Strap The chin strap (Figure 2, Item 5) is attached to the helmet at the right-hand earcup retaining pad. A double D-ring (Figure 2, Item 3) allows for one-handed adjustment. Tightening the chin strap will also tighten the earcups. Nape Strap The nape strap pad (Figure 2, Item 1) features an adjustable cross strap that feeds through two webbing loops, which are linked to straps extending from each earcup retaining pad. This construction allows the nape strap pad and the earcups to be adjusted at the same time via the adjustment straps (Figure 2, Item 4). A tie-down strap (Figure 2, Item 2) extending from the top of the nape strap pad secures the nape strap pad to the helmet shell through a cutout in the EAL. The earcup pads (Figure 2, Item 6) provide an attachment area for the earcups. 6
2
1
4 5
Figure 2.
3
MS100428A
Chinstrap and Nape Strap.
Boom and Microphone The Swivel Assembly, Boom (SAB) (Figure 3, Item 1) allows for easy adjustment and location of the boom (Figure 3, Item 2) and microphone (Figure 3, Item 3).
1
2
3
MS098876
Figure 3.
Boom and Microphone.
0012 00-2
TM 1-1680-377-13&P-1
0012 00
CONTROLS AND INDICATORS – CONTINUED Visor Knobs and Visors The outer visor (Figure 4, Item 2) is raised and lowered via the left-hand (as worn) actuating knob (Figure 4, Item 1). The inner visor (Figure 4, Item 3) is raised and lowered via the right-hand (as worn) actuating knob (Figure 4, Item 4). Table 1 shows the visor configuration. Table 1.
Visor Configurations.
STANDARD VISORS
LASER-PROTECTIVE VISORS
Outer
neutral
Outer
bronze (3-notch)
Inner
clear
Inner
light green (2-notch) 2 1
4
3 MS098845A
Figure 4.
Visor Knobs and Visors.
0012 00-3
0012 00
TM 1-1680-377-13&P-1
CONTROLS AND INDICATORS – CONTINUED V-1 ANVIS Center Mount
CAUTION Ensure that the ANVIS system mounted on your HGU-56/P is working properly in accordance with TM 11-5855-263-10 prior to using it. Failure to check the ANVIS or to be able to see the low battery warning light when using the ANVIS may result in a critical loss of equipment use. The V-1 ANVIS center-mount AN/AVS-6(V) 1 (Figure 5, Item 4) attaches to the dual visor housing (Figure 5, Item 1) through pre-drilled holes. From this location, the AN/AVS-6 (Figure 5, Item 3) can be deployed or stowed. When the ANVIS is in the stowed position, either visor can be deployed. The ANVIS power pack is mounted to the rear of the helmet with hook and pile fastener. The electrical connection is made at the rear of the cover, access (Figure 5, Item 2). (The cover, access houses the ANVIS cable.) For ANVIS operational and maintenance information, refer to TM 11-5855-263-10. 2
1
3
4
MS098846A
Figure 5.
ANVIS Dual Visor Assembly with Center-Mount ANVIS.
Mount for Offset ANVIS Goggles
CAUTION Ensure that the ANVIS system mounted on your HGU-56/P is working properly in accordance with TM 11-5855-263-10 prior to using it. Failure to check the ANVIS or to be able to see the low battery warning light when using the ANVIS may result in a critical loss of equipment use. The AN/AVS-G(V)2 goggles (not shown in the figure) attach to the offset ANVIS mount (Figure 5, Item 3). The mount is attached to the Cobra housing (Figure 6, Item 1) via pre-drilled holes. The goggles are stowed, deployed, and connected in the same manner as the centermount ANVIS.
0012 00-4
TM 1-1680-377-13&P-1
0012 00
CONTROLS AND INDICATORS – CONTINUED AH-1 Helmet Sighting System Module
NOTE
• •
When the AH-l helmet sighting system and the offset-mount ANVIS are both mounted on the housing, only one of these systems can be deployed at any given time. When a Cobra aircrew reports to a Cobra unit, the AH-l helmet sighting system module will be mounted on the helmet. When the aviator leaves the unit, the module will be removed. The basic dual visor assembly will be re-mounted on the helmet, and the AH-l module will be retained by the unit. The ALSE technician will perform all visor removal and mounting as well as mounting/demounting of the sighting system module.
The AH-1 Helmet Sighting System module (Figure 6, Item 4) attaches to the Cobra dual visor housing (Figure 6, Item 1) via pre-drilled holes. The sight assembly mount is installed on the visor housing to the right of the center line. The magnetic coupler (Figure 6, Item 2) is installed on the rear housing arm at the left of the helmet shell center line. Either visor can be raised or lowered when the sight is deployed. A cable runs along the rear of the housing to the magnetic coupler. 2 1
3 4
MS098847A
Figure 6.
Cobra Dual Visor Assembly Module with Offset ANVIS Mount and AH-1 Helmet Sighting System Module.
0012 00-5
0012 00
TM 1-1680-377-13&P-1
CONTROLS AND INDICATORS – CONTINUED Cowling for MBU-12/P Oxygen Mask The MBU-12/P oxygen mask attaches to the AIHS via bayonets (Figure 7, Item 1) inserted into bayonet receivers. The receivers are mounted below the visor tracks on both sides of the helmet. The receiver placement on the helmet is custom-fitted to an individual’s face, ensuring the best possible fit. (Bayonet receiver attachment procedures are detailed in WP 0047 00) A graphite cowling device (Figure 7, Item 2) is attached to the oxygen mask to increase the offset angle of the mask straps to the helmet. The increased offset angle improves retention of the mask to the helmet. The visors on the AIHS helmet have been trimmed to conform to the contour of the MBU-12/P mask. 1 2
MS098855A
Figure 7.
Cowling for MBU-12/P Oxygen Mask.
0012 00-6
TM 1-1680-377-13&P-1
0012 00
CONTROLS AND INDICATORS – CONTINUED Communication Earplug (CEP) - Equipped Helmets Only The foam tipped earplug modules (Figure 8, Item 1) of the CEP are inserted into the ears before the helmet is donned. If the M45 mask is worn, the plug end of the CEP (Figure 8, Item 2) is connected to the extension cord (Figure 8, Item 3) before the mask is donned. After the helmet is donned, the plug end of the CEP (or the extension cord) is plugged into a connector (Figure 8, Item 4) on the right end of the helmet. 1 2
4 3 MS100411A
Figure 8.
Communication Earplug (CEP).
Maxillofacial Shield (MFS) Latches Latches (Figure 9, Item 3) on the right and left sides of the MFS (Figure 9, Item 2) attach it to the helmet-mounted strikers (Figure 9, Item 1). The latches are flipped against the helmet to attach the MFS, or away from the helmet to remove the MFS. The helmet can be donned or doffed while the MFS is attached to either side and swung open.
1
3
2 MS100412A
Figure 9.
Maxillofacial Shield (MFS).
0012 00-7
0012 00
TM 1-1680-377-13&P-1
CONTROLS AND INDICATORS – CONTINUED Intercommunication Unit The Intercommunication Unit (ICU) provides a means of communication for dismounted aviators wearing the CB mask and for testing the communication system on the HGU-56/P helmet. It is powered by a 9-volt battery and has a clip and hook that can be used to carry the unit. A four-position switch provides for control of communication. The four positions are as follows:
HARDWIRE
TALK/LISTEN LISTEN ONLY
OFF - Turns the ICU OFF LISTEN ONLY - This position enables the ICU microphone to supply a communication signal to the helmet earphones. TALK/LISTEN - This position enables the ICU microphone to supply a communication signal to the helmet earphones and to the ICU speaker. HARDWARE - This position is used when two aviator helmets are connected together through a single ICU, eliminating most of the background noise. It also allows for clearer communications when aviators are not connected to the aircraft and/or wearing CB mask.
OFF
• • • •
FOUR−POSITION SWITCH
Figure 10.
Intercommunication Unit.
0012 00-8
MS038668
TM 1-1680-377-13&P-1 OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER USUAL CONDITIONS FOR DONNING/REMOVING HELMET INITIAL SETUP: Personnel Required Crew Member References
WP 0016 00 EM 0250 Donning Helmet Video EM 0250 Removing Helmet Video
DONNING HELMET See Donning Helmet Video, EM 0250.
WARNING When donning helmet, ensure that nape strap pad is completely pulled down and that the keeper tab is taut. Failure to do so will decrease helmet stability and may cause injury to the wearer.
CAUTION When donning or removing helmet, spread helmet just enough to clear head. Excessive spreading may damage helmet. 1.
Hook thumbs over earcups and spread helmet slightly.
2.
Position front edge of helmet firmly against forehead; rotate helmet rearward and down onto head.
3.
Press helmet down firmly with both hands to ensure that helmet is properly positioned on head.
4.
Fasten and adjust chinstrap, WP 0016 00, ADJUSTING CHIN STRAP.
5.
Adjust nape strap, WP 0016 00, ADJUSTING NAPE STRAP.
REMOVING HELMET See Removing Helmet Video, EM 0250. 1.
Loosen chinstrap, WP 0016 00, ADJUSTING CHIN STRAP.
2.
Hook thumbs over earcups and spread helmet slightly.
3.
Rotate helmet off head.
END OF WORK PACKAGE
0013 00-1/2 blank
0013 00
TM 1-1680-377-13&P-1
0014 00
OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER USUAL CONDITIONS FOR CEP-EQUIPPED HELMETS ONLY INITIAL SETUP: Materials/Parts Foam Tips (WP 0065 00, Figure 2, Item 18)
Personnel Required Crew Member
DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY) DONNING CEP 1.
If not already done, select the correct foam tip size (standard, slim or short) as follows: a.
For orange or blue triple-flange earplug, select the standard foam tip.
b.
For green earplug, select the slim foam tip
c.
A small percentage of users may require the short foam tip.
d.
If the correct size cannot be determined, ask your flight medical staff for help.
2.
Attach the proper foam tip to each earplug by threading the plastic end of the foam tip onto the ear plug. Do not tighten too much; tighten only enough to seat the foam tip onto the CEP housing. About one revolution of the plastic end is usually enough.
3.
Drape the CEP over your shoulders and on either side of your neck from the back so that the earplug attached to the shorter cord is on your right and the longer cord is on your left. (One way to remember this is "Long is Left.") This will ensure that the connector end is positioned toward the right in the back so it will reach the helmet connector.
WARNING
• • 4.
Ensure that the proper foam tip is attached to each earplug before inserting the earplug into the ear. If proper foam tip is not attached to each earplug, may cause injury to the ear canal. Do not force the earplug into the ear. This may cause the foam tip to be pushed back, exposing the plastic tube inside. This will diminish hearing protection and may cause injury to the ear canal.
Compress the foam tip (Figure 1, Item 1) of one earplug to about 1/3 of its original diameter by rolling it between your thumb and index finger. This will ease insertion into the ear. Do not squeeze the foam tip flat. When compressing the foam tip, do not allow a crease to form. This will diminish hearing protection. 1
2 MS100413A
Figure 1.
Communication Earplug (CEP). 0014 00-1
0014 00
TM 1-1680-377-13&P-1
DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY) - CONTINUED
5.
Hold the earplug housing (Figure 1, Item 2) between the thumb and index finger on your hand on the same side as the earplug being fitted. With your other hand, reach behind your head and pull your ear on the same side as the earplug up and away from your head. This will straighten the ear canal to ease earplug insertion. Carefully insert the foam tip of the earplug into the ear.
6.
Ensure that the earplug is positioned so that the wire rests in the notch at the bottom of the ear canal. Hold the plug for a few seconds until the foam expands inside the ear and will hold the plug in place.
7.
Repeat Steps 4. through 6. for the other earplug.
8.
Check the fit for each earplug by moving a cupped hand near the ear. The user should not perceive any change in sound level. If the sound level changes, this indicates an improper seal; repeat Steps 4. through 6. with new foam tips. If the foam tips still do not seal properly, repeat Steps 4. through 6. with the next larger foam tip size. If the foam tips still do not seal properly, consult the local hearing conservation center.
NOTE The CEP extension cable (CEP199-X01) should be used only with a CB protective mask. If you are NOT wearing a CB protective mask, do not perform Steps 9. through 10. 9.
If the M45 mask is to be worn, connect the CEP (Figure 2, Item 1) to the extension cable (Figure 2, Item 2). Then, don the mask.
1
2
MS100415A
Figure 2.
CEP Connected to Extension Cord.
10. If the M45 mask is to be worn, connect the extension cable (Figure 3, Item 2) to the helmet connector (Figure 3, Item 1) before donning the helmet.
0014 00-2
TM 1-1680-377-13&P-1
0014 00
DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY) - CONTINUED
1
3
2
MS100414A
Figure 3.
Connecting CEP to Helmet.
11. Don the helmet. 12. If the M45 mask is NOT worn, skip Steps 9. through 10. and grasp the CEP connector end (Figure 3, Item 3) with the right hand. Push the connector end onto the connector (Figure 3, Item 1) on the right rear of the helmet.
WARNING Ensure that the volume level of the audio sent to the CEP is reduced. Damage to the wearer’s ears may result if the volume level is not reduced. 13. Rotate the aircraft ICS volume level to full OFF. 14. Plug the communications cord into the aircraft ICS. Check for proper operation of the CEP and the receivers while slowly increasing the volume to a comfortable level. REMOVING HELMET WITH CEP 1.
If the M45 is NOT worn and the extension cable is NOT being used, disconnect the CEP connector end from the helmet connector before removing the helmet.
2.
If you are wearing a CB protective mask, remove the helmet. a.
Disconnect the extension cable from the helmet.
b.
Disconnect the extension cable from the CEP after removing the CB protective mask; and proceed to Step 4.
0014 00-3
0014 00
TM 1-1680-377-13&P-1
DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY) - CONTINUED
CAUTION Squeezing ear plugs causes them to become misshapen and degrade the effectiveness of the earplug. 3.
Remove the helmet.
NOTE Do not leave the CEP attached to the helmet when not in use; always store the CEP in the container provided. 4.
Remove each earplug by grasping the housing and pulling the earplug out of the ear.
5.
Store the CEP in the container provided.
6.
Store the CEP extension cable in a marked container so that it is available when needed.
CARE OF CEP 1.
When foam tips become soiled, remove foam tips from earplugs.
NOTE Do not wash foam tips more than necessary (about once a week). The more often foam tips are washed the sooner they will wear out. 2.
Hand wash foam tips with warm water and mild soap and allow foam tips to air dry.
NOTE Foam tips will last about one month. 3.
Discard foam tips if the foam is degraded or pulled away from the plastic tubes inside.
END OF WORK PACKAGE
0014 00-4
TM 1-1680-377-13&P-1
0015 00
OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER USUAL CONDITIONS FOR COMMUNICATION ENHANCEMENT AND PROTECTION SYSTEM (CEPS) INITIAL SETUP: Materials/Parts
Personnel Required
Helmet, Flyers (WP 0065 00, Figure 2) Communication Enhancement and Protection System (CEPS) (WP 0065 00, Figure 9, Item 1) Battery, Alkaline, AA (WP 0070 00, Item 29)
Crew Member References WP 0013 00
OPERATION OF THE CEPS
NOTE The CEPS is activated only during ground operations. Turn OFF near operating aircraft or when plugged into the aircraft ICS. The following steps should be followed in sequence to properly operate the CEPS. 1.
Install two AA Alkaline batteries in the battery holder.
2.
Properly insert the single side CEP into ears.
3.
Don the HGU-56/P Helmet (WP 0013 00).
4.
Plug single side CEP into each helmet interface connector (right on right and left on left).
NOTE Hearing should be clear and static free, equal on both sides. 5.
Turn the CEPS On/Off switch located on the back of the helmet to ON, refer to Figure 1.
0015 00-1
0015 00
TM 1-1680-377-13&P-1
OPERATION OF THE CEPS - CONTINUED
COMMUNICATIONS JACK
BATTERY HOLDER
CEPS ON/OFF SWITCH
ANVIS PILE FASTENER
CEPS ON/OFF SWITCH PILE FASTENER
MICROPHONE CORD
MS116093
Figure 1.
6.
CEPS On/Off Switch and Battery Pack.
Test volume control by momentarily pressing and holding one of the gain control buttons (Figure 2) on the right side of the helmet. GAIN CONTROL BUTTONS
GAIN/VOLUME SWITCH (LOWER EDGE OF RIGHT EARDOME)
MS116079
Figure 2.
CEPS Gain Control Switch.
NOTE When the buttons are pressed and held, the level will change until the upper or lower limit is reached. It takes about 8 seconds to go from one limit to the other limit when the button is held. a.
Pressing the forward button increases volume.
0015 00-2
TM 1-1680-377-13&P-1 OPERATION OF THE CEPS - CONTINUED b.
Pressing the aft button decreases volume.
NOTE Always reduce the volume level from the CEPS to minimum volume level when in a noisy environment. 7.
Set volume to desired level.
8.
When not in use, turn the On/Off switch OFF.
9.
Unplug the CEP for each interface connector.
10. Remove the HGU-56/P Helmet (WP 0013 00). 11. Store single side CEP wires in plastic container provided. END OF WORK PACKAGE
0015 00-3/4 blank
0015 00
TM 1-1680-377-13&P-1
0016 00
OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER USUAL CONDITIONS FOR HELMET ADJUSTMENTS INITIAL SETUP: Personnel Required
Crew Member
HELMET ADJUSTMENTS ADJUSTING CHIN STRAP
WARNING ALWAYS wear the helmet with the chin-strap properly attached and adjusted. Failure to secure the chin strap will decrease helmet stability and may cause injury to the wearer. 1.
Fasten the chin strap by inserting the strap through both D-rings, separating the rings, passing the strap over the outer ring (Figure 1, Item 1), and inserting the strap back through the inner D-ring (Figure 1, Item 2).
2.
To tighten the chin strap, pull on end (Figure 1, Item 3) to attain the desired fit. Tightening the chin strap will also tighten the earcup fit.
3.
To loosen the chin strap: a.
Rotate the outer D-ring up and to the left by pulling on the two tabs of the outer D-ring.
b.
Push the strap through the inner D-ring toward the left as needed to loosen or disengage the strap.
c.
Pull the section of the strap under the chin to the right.
1
2
3 MS098850A
Figure 1.
Fastening/Adjusting Chin Strap.
0016 00-1
0016 00
TM 1-1680-377-13&P-1
ADJUSTING NAPE STRAP
NOTE When the nape strap is centered both nape straps will be the same length. 1.
Adjust the nape strap pad (Figure 2, Item 1) position using nape strap pull-tabs (Figure 2, Item 2). Tighten by grasping the two tabs, pulling to the back, and then pulling from side-to-side until snug.
2.
To loosen the nape, flip buckles (Figure 2, Item 3) towards the center of the nape strap pad. Straps will slide through buckles easily.
2
3
3
2
1
MS098851A
Figure 2.
Nape Strap Adjustment.
END OF WORK PACKAGE
0016 00-2
TM 1-1680-377-13&P-1 OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER USUAL CONDITIONS FOR HELMET EQUIPMENT INITIAL SETUP: Personnel Required Crew Member References
WP 0070 00 TM 11-5855-263-10 TM 55-1660-247-12
HELMET EQUIPMENT OPERATION
0017 00-1
0017 00
0017 00
TM 1-1680-377-13&P-1
HELMET EQUIPMENT OPERATION - CONTINUED
WARNING (FOR LASER-PROTECTIVE VISORS) Due to serious limitations imposed by the laser-protective visors on visual acuity outside the aircraft as well as on flight displays within the cockpit, the laser-protective visors will only be used when actual laser hazards exist. For day or night VFR flights at altitudes below low-level flight, the pilot will analyze the current situation and decide whether flight should continue with laser-protective devices in use. Considerations include local laser hazards, ambient light levels, and terrain. Approval for use must be annotated on the flight crew’s mission brief. The dark (bronze) laser-protective visors are not compatible with aircraft or ground support night lighting and are not safe for twilight or night flights. DO NOT USE THE BRONZE LASERPROTECTIVE VISORS DURING TWILIGHT OR AT NIGHT. The bronze laser-protective visors will change the appearance of and possibly eliminate some red and/or green light sources. Testing indicates that some red lights take on an orange hue, some cockpit warning lights are difficult to read though still visible, and some cockpit gauges are illegible. DO NOT USE THE BRONZE LASER-PROTECTIVE VISORS FOR IFR FLIGHT. The light (green) laser-protective visors will change the appearance of and possibly eliminate some red light sources. Testing indicates that some red lights take on an orange hue, some cockpit warning lights are difficult to read though still visible, the distance some exterior red lights are visible is reduced, and red cockpit map lights are virtually unusable. USE EXTRA CAUTION AT NIGHT. Do not attempt to use more than one laser visor at a time. Use of multiple laser filtering visors will not permit adequate vision to perform the required tasks. If laser hazard occurs, do not stare at the laser source. Some lasers have secondary wavelengths that may cause eye damage; the laser-protective visors may not filter these wavelengths. The laser-protective visors are not intended to protect against broad-spectrum bright light. Do not use the laser-protective visors to view solar eclipses, electric welding equipment, or other potentially eye-damaging light sources. Do not use the laser-protective visors as a substitute for other types of laser eye protection. During maintenance or servicing of specific types of laser systems, wear correct eye protection as specified in the appropriate technical manual. The laser-protective visors reduce ambient light levels available to the eye. Allow eyes to adjust to reduced light before operations at dusk or dawn.
0017 00-2
TM 1-1680-377-13&P-1
0017 00
HELMET EQUIPMENT OPERATION - CONTINUED
CAUTION (FOR LASER-PROTECTIVE VISORS) Scratching of laser lenses may degrade laser protection. Clean lenses according to instructions. Replace scratched lenses with new ones. Exposure of laser lenses to direct sunlight may degrade laser protection. Avoid unnecessary exposure of lenses to sunlight.
NOTE The left-hand visor knob is used to raise or lower the outer visor. The right-hand visor knob is used to raise or lower the inner visor. To raise and lower visor: 1.
Brace your thumb against the visor track, refer to Figure 1.
2.
Squeeze the visor knob with your forefinger and slide visor knob down to lower visor, or slide visor knob up to raise visor.
MS098852A
Figure 1.
Raising and Lowering Helmet Visor.
ANVIS GOGGLES OPERATION
CAUTION Ensure that the ANVIS system mounted on your HGU-56/P is working properly in accordance with TM 11-5855-263-10 prior to using it. Failure to check the ANVIS or to be able to see the low battery warning light when using the ANVIS may result in a critical loss of equipment use. Refer to TM 11-5855-263-10 for ANVIS operational procedures. COMMUNICATIONS SYSTEM OPERATION 1.
Ensure that the microphone cord is plugged into the communications cord connector at the rear of the helmet. If the helmet is CEP-equipped, also ensure that the CEP is plugged into the connector at the right rear of the helmet.
2.
Plug the communication cord into the aircraft communications system.
3.
Adjust the microphone to the proper operating position in front of the lips, refer to Figure 2.
4.
Speak into the microphone and listen for feedback. 0017 00-3
0017 00
TM 1-1680-377-13&P-1
COMMUNICATIONS SYSTEM OPERATION - CONTINUED
MS098853A
Figure 2.
Proper Microphone Position.
AH-1 SIGHT OPERATION 1.
To deploy AH-1 sight, rotate rod (Figure 3, Item 1) downward until eyepiece is locked in place over eye area.
2.
To adjust vertically, pinch tension spring (Figure 3, Item 2), slide rod up or down as needed, and release spring.
3.
To stow, press button (Figure 3, Item 3) located on the AH-1 sight base; sight will automatically move to the stowed position. If rod hits ANVIS mount, adjust rod for clearance. 3
2
1
MS098877A
Figure 3.
AH-1 Sight.
0017 00-4
TM 1-1680-377-13&P-1
0017 00
MBU-12/P OXYGEN MASK OPERATION Refer to TM 55-1660-247-12. ATTACHING/REMOVING MAXILLOFACIAL SHIELD
NOTE The helmet can be donned or doffed while the MFS is attached to either side and swung open. The MFS can also be swung open while the helmet is worn, allowing the crewmember to eat or drink. If the helmet is stowed with the MFS attached, the shield should be secured to the helmet on both sides. 1.
Position the pin (Figure 4, Item 1) on one side of the MFS (Figure 4, Item 3) into the slot (Figure 4, Item 4) of the striker (Figure 4, Item 5), and flip the latch (Figure 4, Item 2) against the helmet shell. Ensure that the latch is locked in place.
2.
Repeat for the other side.
3.
To adjust microphone boom so that it can be placed behind the MFS:
4.
a.
Loosen the knurled knob (Figure 4, Item 6) on the SAB.
b.
Move the boom forward or back until it can be placed under the recessed area (Figure 4, Item 3) of the MFS.
c.
Tighten the knurled knob.
To prevent fogging of visor when wearing the MFS:
WARNING When using the anti-fogging solution described below, avoid getting the liquid solution into the eyes. Solution will irritate and may burn the eyes. In case of eye contact, flush with fresh water for 15 minutes. Contact physician if irritation persists. a.
Apply two drops of Seas Drops anti-fogging solution (WP 0070 00, Item 18a) to the inside surface of each visor lens.
b.
Rub the solution over the entire surface of the lens.
c.
Wait 10 seconds, then buff with a microfiber cloth (WP 0070 00, Item 5a) or any soft, dry cloth until the lens is clear. 1
6
2 5
7
4
3 MS100429A
Figure 4.
MFS Attachment. 0017 00-5
0017 00
TM 1-1680-377-13&P-1
ATTACHING/REMOVING MAXILLOFACIAL SHIELD - CONTINUED REMOVING MFS 1.
Flip the latch on one side of the MFS away from the helmet shell, and remove the pin (Figure 4, Item 1) from the slot.
2.
Repeat for the other side.
END OF WORK PACKAGE
0017 00-6
TM 1-1680-377-13&P-1 OPERATOR INSTRUCTIONS HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATION UNDER UNUSUAL CONDITIONS INITIAL SETUP: NA UNUSUAL ENVIRONMENT/WEATHER Not applicable. END OF WORK PACKAGE
0018 00-1/2 blank
0018 00
TM 1-1680-377-13&P-1
CHAPTER 7 OPERATOR TROUBLESHOOTING PROCEDURES FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
TM 1-1680-377-13&P-1
0019 00
OPERATOR MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATOR TROUBLESHOOTING INITIAL SETUP: Personnel Required
References WP 0022 00
Crew Member
OPERATOR TROUBLESHOOTING You should perform troubleshooting procedures when you encounter malfunctions of the AIHS helmet. Following are guidelines for troubleshooting.
• •
Before troubleshooting, ensure that you have performed the daily (pre-flight and post-flight) Preventive Maintenance Checks and Services (PMCS). Refer to WP 0022 00, OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS). This manual cannot list all possible malfunctions. If you encounter a malfunction not listed below, notify Unit ALSE Technician.
TROUBLESHOOTING PROCEDURE OPERATOR TROUBLESHOOTING PROCEDURES SYMPTOM Unable to raise or lower visor lens. MALFUNCTION Hardware is loose, missing, cracked, or broken. CORRECTIVE ACTION Report condition to Unit ALSE Technician. SYMPTOM Unable to fasten or adjust chin strap. MALFUNCTION Defective hardware or webbing. CORRECTIVE ACTION Report condition to Unit ALSE Technician. SYMPTOM Unable to adjust nape strap. MALFUNCTION Defective hardware webbing. CORRECTIVE ACTION Report condition to Unit ALSE Technician.
0019 00-1
0019 00
TM 1-1680-377-13&P-1
OPERATOR TROUBLESHOOTING PROCEDURES – Continued SYMPTOM Unable to keep microphone in position. MALFUNCTION Unable to tighten knurled knob, loose or missing screws. CORRECTIVE ACTION Report condition to Unit ALSE Technician. SYMPTOM Unable to hear. MALFUNCTION Communication cord not attached to helmet. Communications cord is not plugged into aircraft ICS. CORRECTIVE ACTION 1.
Ensure that communications cord is plugged into aircraft ICS and is working.
2.
Ensure helmet connector on left rear side of helmet is secured.
3.
CEP-equipped helmets only: Ensure helmet connector on left rear side of helmet and CEP connector on right rear side of helmet are secured. Ensure CEP is plugged into connector on right rear of helmet.
4.
If still unable to hear, ensure volume control is turned up.
5.
If still unable to hear, report condition to Unit ALSE Technician.
SYMPTOM Unable to communicate. MALFUNCTION Microphone or receiver screws loose or missing. CORRECTIVE ACTION Report condition to Unit ALSE Technician. MALFUNCTION Break in connection. CORRECTIVE ACTION Report condition to Unit ALSE Technician. SYMPTOM Unable to operate ANVIS goggles. MALFUNCTION Refer to TM 11-5855-263-10. CORRECTIVE ACTION Refer to TM 11-5855-263-10. SYMPTOM Unable to position AH-1 cobra sight. MALFUNCTION Refer to TM 9-1270-212-14&P. CORRECTIVE ACTION Refer to TM 9-1270-212-14&P. 0019 00-2
TM 1-1680-377-13&P-1 OPERATOR TROUBLESHOOTING PROCEDURES – Continued SYMPTOM Unable to attach maxillofacial shield. MALFUNCTION Hardware is loose,missing, cracked, or broken. CORRECTIVE ACTION Report condition to Unit ALSE Technician. END OF WORK PACKAGE
0019 00-3/4 blank
0019 00
TM 1-1680-377-13&P-1
CHAPTER 8 AVIATION UNIT TROUBLESHOOTING PROCEDURES FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
TM 1-1680-377-13&P-1
0020 00
AVIATION UNIT MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP UNIT TROUBLESHOOTING INITIAL SETUP: Tools and Special Tools Multimeter (WP 0063 00, Item 13) Multimeter (WP 0063 00, Item 46)
WP 0039 00 WP 0036 00 WP 0041 00 WP 0011 00 TM 11-5855-263-10 WP 0042 00 TM 9-1270-212-14&P
Personnel Required ALSE Technician References
AVIATION UNIT MAINTENANCE TROUBLESHOOTING PROCEDURES Aviation Unit Maintenance Troubleshooting Procedures provides an index of common malfunctions of helmet components and directs you to the procedures required to eliminate those malfunctions. When examining the table keep the following in mind:
• •
You should first find the malfunction that most closely describes the problem, then perform the tests, inspections, and corrective actions in the order in which they are listed. This manual may not list every possible malfunction. If you encounter a malfunction not listed below and are unable to solve it, notify your supervisor.
TROUBLESHOOTING PROCEDURE UNIT TROUBLESHOOTING PROCEDURES SYMPTOM Unable to raise or lower visor lens. MALFUNCTION Defective visor knob. CORRECTIVE ACTION Replace defective visor, refer to WP 0039 00. MALFUNCTION Defective visor tracks. CORRECTIVE ACTION Replace defective visor tracks, refer to WP 0039 00. MALFUNCTION Defective visor housing. CORRECTIVE ACTION Replace defective visor housing, refer to WP 0039 00. MALFUNCTION Defective visor lenses. CORRECTIVE ACTION Replace defective lens, refer to WP 0039 00. 0020 00-1
0020 00
TM 1-1680-377-13&P-1
UNIT TROUBLESHOOTING PROCEDURES – Continued MALFUNCTION Dust, dirt, and foreign objects in tracks and visor guides CORRECTIVE ACTION 1.
Disassemble visor assembly, refer to WP 0039 00.
2.
Using a cleaning cloth dampened with soapy water, clean dust, dirt, and foreign objects from the tracks and visor guides.
3.
Reassemble visor assembly, refer to WP 0039 00.
SYMPTOM Unable to operate goggles. MALFUNCTION Refer to TM 11-5855-263-10. CORRECTIVE ACTION Refer to TM 11-5855-263-10. SYMPTOM Unable to position AH-l sight. MALFUNCTION Refer to TM 9-1270-212-14&P. CORRECTIVE ACTION Send operator/wearer with helmet to armament technician for boresighting. SYMPTOM Unable to fasten or adjust chin strap. MALFUNCTION Defective hardware or webbing. CORRECTIVE ACTION Replace retention assembly, refer to WP 0036 00. SYMPTOM Unable to adjust nape strap. MALFUNCTION Defective hardware or webbing. CORRECTIVE ACTION Replace retention assembly, refer to WP 0036 00. SYMPTOM Unable to keep microphone in position. MALFUNCTION Unable to tighten knurled knob, loose or missing screws. CORRECTIVE ACTION Replace SAB, refer to WP 0041 00. 0020 00-2
TM 1-1680-377-13&P-1
0020 00
UNIT TROUBLESHOOTING PROCEDURES – Continued SYMPTOM Unable to communicate. MALFUNCTION Communications cord unplugged or aircraft ICS not working. CORRECTIVE ACTION 4.
Ensure that communications cord is plugged into aircraft ICS and is working.
5.
Ensure helmet connector on left rear side of helmet is secured.
6.
If still unable to hear, perform continuity check as follows: a.
Disconnect microphone cable from microphone.
b.
Remove receivers.
c.
Using a multimeter (WP 0063 00, Item 46 or equivalent), perform Test 1 (refer to Table 1 or Table 2 as appropriate), refer to the appropriate chart for your communication system (standard or TEMPEST). (1) If no failure detected, proceed to Step 6.f. (2) If a failure is detected, replace the communication cord, refer to WP 0011 00, Communication System. Proceed to Step 6.i.
d.
The callouts in Figure 1 correspond with the numbers in Table 1 Standard Communications System.
BLACK WHITE
1
3
4
BLACK WHITE 2 6
5 MS100437A
Figure 1. Table 1.
Standard Communications System.
TEST 1. Standard Communications System.
FROM
TO
OPEN
SHORTED
1
2
Good
Bad
1
3
Bad
Good
1
5
Good
Bad
1
6
Good
Bad
2
4
Bad
Good
0020 00-3
0020 00
TM 1-1680-377-13&P-1
UNIT TROUBLESHOOTING PROCEDURES – Continued Table 1.
TEST 1. Standard Communications System. – Continued
2
5
Good
Bad
2
6
Good
Bad
5
6
Good
Bad
e.
The callouts in Figure 2 correspond with the numbers in Table 2 TEMPEST Communications System.
BLACK & WHITE 3
WHITE 4 BLACK & WHITE
1
WHITE 2 6
7 5
Figure 2. Table 2.
MS100436A
TEMPEST Communications System.
TEST 1. TEMPEST Communications System.
FROM
TO
OPEN
SHORTED
1
2
Good
Bad
1
3
Bad
Good
1
5
Good
Bad
1
6
Good
Bad
2
4
Bad
Good
2
5
Good
Bad
2
6
Good
Bad
1
7
Good
Bad
2
7
Good
Bad
5
6
Good
Bad
5
7
Good
Bad
6
7
Good
Bad
0020 00-4
TM 1-1680-377-13&P-1
0020 00
UNIT TROUBLESHOOTING PROCEDURES – Continued f.
Using a multimeter (WP 0063 00, Item 13), perform Test 2 (refer to Step 6.g. or Step 6.h. as appropriate), refer to the appropriate chart for your communication system (standard or TEMPEST). (1) If no failure is detected, the communication cord is working. Replace earphone or microphone as necessary. Proceed to Step 6.i. (2) If a failure is detected, and you are using the standard communications system, unscrew the plug cover and check for any loose connections or cold solder joints. Resolder any defective connections. Proceed to Step 6.i. (3) If a failure is detected, and you are using the TEMPEST communications system, replace the communication cord, refer to WP 0011 00, Communication System. Proceed to Step 6.i.
g.
The callouts in Figure 3 correspond with the numbers in Table 3 Test 2 Standard Communications System.
BLACK WHITE
3
4
1 BLACK
7 8 9
WHITE
10
2
6
5
Figure 3. Table 3.
MS100435A
Test Points for Standard Communications System. TEST 2. Standard Communications System.
FROM
TO
OPEN
SHORTED
1 or 3
7
Bad
Good
2 or 4
9
Bad
Good
5
8
Bad
Good
6
10
Bad
Good
0020 00-5
0020 00
TM 1-1680-377-13&P-1
UNIT TROUBLESHOOTING PROCEDURES – Continued h.
The callouts in Figure 4 correspond with the numbers in Table 4 Test Points for TEMPEST Communications System.
BLACK & WHITE 3
WHITE
11 4 8
BLACK & WHITE
1 9
WHITE
10 2
7 MS100434A
Figure 4. Table 4.
Test Points for Standard Communications System.
Test Points for TEMPEST Communications System.
FROM
TO
OPEN
SHORTED
1 or 3
9
Bad
Good
2 or 4
10
Bad
Good
7
11
Bad
Good
any lead
8
Good
Bad
i.
Test communications system by connecting it to a working radio.
j.
If communications system still does not work, replace communications cord (WP 0042 00).
END OF WORK PACKAGE
0020 00-6
TM 1-1680-377-13&P-1
CHAPTER 9 OPERATOR MAINTENANCE INSTRUCTIONS FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
TM 1-1680-377-13&P-1
0021 00
OPERATOR MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
WARNING Do not repair or use any helmet that is damaged beyond the limits set forth in the PMCS charts. Injury or death may result if you do. INTRODUCTION Preventive Maintenance Checks and Services (PMCS) are performed to keep equipment in operating condition. Checks are used to find, correct, or report problems. PMCS is done every day equipment is operated. The AIHS PMCS procedure consists of pre-flight and post-flight inspections.
• •
Pre-flight Inspection. Prior to each flight, the user shall inspect the helmet to see that it is in serviceable condition, reporting any damage to the ALSE technician. Post-flight Inspection. After each flight, the user shall inform the ALSE technician of any component malfunction or damage to the helmet.
When performing any PMCS procedure or routine check, observe all safety warnings and cautions. If your equipment must be in operation at all times, check and service those items that can be checked and serviced without disturbing operation. Make complete checks and services when equipment can be shut down. Defects discovered should be corrected as soon as possible. All deficiencies, together with corrective action taken, should be recorded on forms prescribed for maintenance. See DA PAM 738-751. PMCS TABLE EXPLANATION "Item No." Column This column contains a number for each procedure to be performed. When reporting malfunctions or failures on DA Form 2408-22, (Equipment Inspection and Maintenance Worksheet). "Interval" Column Interval column of your PMCS table tells you when to do a certain check or service. Standard intervals are: Before - Do before you begin operating equipment. During - Do while operating equipment. After - Do after operating equipment. Periodic - Do once per 180 day interval. Annual - Do once per 360 ±6 days interval. "Man Hour" Column This column tells you man-hours required to complete prescribed services. "Item to be Checked or Serviced" Column This column identifies item to be checked or serviced. "Procedure" Column This column tells you how to perform required checks and services on item to be checked or serviced. Carefully follow these instructions and perform them in order listed. 0021 00-1
0021 00
TM 1-1680-377-13&P-1
"Equipment not Ready/Available If:" Column This column tells you conditions which will cause equipment to be classified as not ready (red) for readiness reporting. If there is no entry in this column, this particular item will not cause system as a whole to be declared non-mission capable if this item is non-mission capable.
NOTE Terms "ready/available" and "mission capable" refer to same status: equipment is on hand and is able to perform its combat missions (see AR 700-138). If you find something wrong and you can’t fix it yourself, or you are not authorized to, or you do not have tools, test equipment, parts, documentation, or training to fix it yourself, write it on your DA Form 2408-22, inform your supervisor, and request assistance from next higher level of maintenance. END OF WORK PACKAGE
0021 00-2
TM 1-1680-377-13&P-1
0022 00
OPERATOR MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INITIAL SETUP: WP 0490 00 TM 11-5855-263-10 TM 9-1270-212-14&P
Personnel Required Crew Member References
Table 1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES. ITEM INTERVAL MAN- ITEM TO BE NO. HOUR CHECKED OR SERVICED 1
B/A
Helmet Shell (Exterior)
PROCEDURE
a. Inspect surface for chipped paint with penetration of fibers.
b. Inspect surface for cracks.
EQUIPMENT NOT READY/ AVAILABLE IF: Surface has chipped paint with penetration of fibers. Surface has cracks.
2.
B/A
Helmet Shell (Interior)
Inspect visible surface for delaminations larger than a nickel.
Visible surface has delaminations larger than a nickel.
3
B/A
Lining, Helmet, Shock (EAL/TPL)
a. Check fit.
Loose fit or improperly fitted.
b. Check for holes and cracks.
EAL has any holes or compressions, any gouges deeper that 1/4-inch any cracks in front, any cracks wider than 1/2-inch in rear; TPL cloth cover is torn.
a. Check fit.
Earseals are not properly compressed around wearer’s ears. Holes, cracks, or tears exist.
4.
B/A
Earcups/Earseals
b. Check for holes, cracks, and tears. 4
B/A
Earphones
Check operations in aircraft.
0022 00-1
Any malfunctions exist.
0022 00
TM 1-1680-377-13&P-1 Table 1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES. - Continued
ITEM INTERVAL MAN- ITEM TO BE NO. HOUR CHECKED OR SERVICED
PROCEDURE
EQUIPMENT NOT READY/ AVAILABLE IF:
5
B/A
Earphones (and CEP/CEPS, if used)
Check operation in aircraft.
Any malfunctions exist.
6
B/A
CEP/CEPS
a. Check foam tips of earplugs for dirt.
Clean foam tips as necessary; replace them when they are too soiled to clean.
b. Check foam tips of earplugs for expansion in the ear canal.
Replace if no sound attenuation.
c. Check operation of earphones and CEP/CEPS.
Earphones and CEP do not work. When the CEP does not work, the helmet is still mission capable as long as the earphones are working. However, the CEP should be replaced as soon as possible.
a. Check attachment.
Not properly attached to helmet.
b. Check fit of nape assembly.
Nape assembly is improperly fitted
c. Check D-rings for breaks, strap for tears/fraying, and nape assembly for holes and cracks.
D-rings are broken, strap is torn/frayed, or nape assembly has holes or cracks.
a. Check attachment of set screws.
Screws loose or missing.
b. Check operation in aircraft.
Any malfunctions exist
a. Check attachment of hardware.
Loose or missing.
b. Check adjustment of housing.
Improperly adjusted.
c. Check housing for holes and cracks.
Holes or cracks exist.
7
8.
9
B/A
B/A
B/A
Retention Assembly
Microphone/Boom Assembly
Visor Assembly
0022 00-2
TM 1-1680-377-13&P-1
0022 00
Table 1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES. - Continued ITEM INTERVAL MAN- ITEM TO BE NO. HOUR CHECKED OR SERVICED
PROCEDURE
EQUIPMENT NOT READY/ AVAILABLE IF:
d. Check tracks for dirt or debris.
Lenses do not move freely in tracks.
e. Check function of locking mechanism.
Visor fails to lock in desired position.
f. Check lenses for dirt or scratches.
Dirt or scratches interfering with vision.
10
B/A
Oxygen Mask Cowling
Check adjustment of straps
Mask does not seal properly to face.
11
B/A
Oxygen Mask Bayonet Receivers
a. Check attachment
Loose or missing.
b. Check operation.
Receiver fails to hold bayonet in place or release it.
12
B/A
MBU12/P Oxygen Mask
Refer to WP 0490 00.
13
B/A
ANVIS Goggles
Refer to TM 11-5855-263-10.
14
B/A
AH-1 Cobra Sight
Refer to TM 9-1270-212-14&P.
15
B/A
Maxillofacial Shield (MFS)
a. Inspect shield for damage.
Holes or cracks exist.
b. Check condition of hardware.
Hardware is loose, missing, cracked, or broken.
c. Check operation of hinges.
Hinges fail to operate.
d. Check visors for fogging.
Visors fog when shield is used.
0022 00-3
0022 00
TM 1-1680-377-13&P-1 Table 1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES. - Continued
ITEM INTERVAL MAN- ITEM TO BE NO. HOUR CHECKED OR SERVICED
16
B/A
Lip Light
PROCEDURE
EQUIPMENT NOT READY/ AVAILABLE IF:
e. Check attachment of edge beading to shield.
Any portion of edge beading has separated from the shield.
a. Check for attachment.
Lip light is not secure.
b. Check battery function.
Batteries fail.
c. Check switch function.
Switch fails in ON or OFF position.
MANDATORY REPLACEMENT PARTS There are no replacement parts required for these PMCS procedures. END OF WORK PACKAGE
0022 00-4
TM 1-1680-377-13&P-1
0023 00
OPERATOR MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP CLEANING INITIAL SETUP: Materials/Parts
Personnel Required
Clean Cloth (WP 0070 00, Item 5) Liquid Detergent (WP 0070 00, Item 7) Double-sided Tape (WP 0070 00, Item 22)
ALSE Technician
CLEANING Table 1 lists cleaning tasks for each AIHS assembly. Table 1.
Operator Cleaning Instructions.
COMPONENT
CONDITION
CLEANING METHOD
Helmet Shell
Dirt, Grease, Scuff Marks
Use clean cloth dampened with mild soap solution.
Earcups
Dirt, Perspiration
Wipe with damp cloth; for earphone protection, do not use too much water.
Communications Cord Assembly
Dirt, Grease
Wipe with damp cloth; dry thoroughly.
CEP/CEPS-Equipped Helmets Only: CEP and Extension Cable
Dirt
CAUTION Squeezing ear plugs causes them to become misshapen and degrade the effectiveness of the earplug. Remove foam tips from earplugs. Hand-wash the foam tips with warm water and mild soap, and allow them to air-dry. Do not wash the foam tips any more than necessary (about once a week); the more often they are washed, the sooner they will wear out. Replace foam tips when they are too soiled to clean. Wipe CEP and extension cord with damp cloth.
Visors
Dust, Grease, Perspiration
Use soft cloth and mild soap solution; rinse thoroughly.
Visor Housing, Track, Knob
Sediment, Dirt Buildup, Grease
Use clean cloth dampened with mild soap solution.
Retention Assembly
Dirt, Grease
Use clean cloth dampened with water; allow to dry thoroughly. 0023 00-1
0023 00
TM 1-1680-377-13&P-1
CLEANING – CONTINUED Table 1.
Operator Cleaning Instructions. – Continued
COMPONENT
CONDITION
CLEANING METHOD
Zeta II Liner
Dirt, Grease, Perspiration
CAUTION Wringing the helmet liner or using an artificial heat source to dry may damage the product.
NOTE If the helmet liner has been involved in a accident or crash, helmet liner must be immediately discarded and replaced. 1.
Using a mild soap, hand wash the Zeta II Helmet Liner and rinse thoroughly.
2.
To dry, place the Zeta II Helmet Liner flat on a large towel and fold the towel over to cover. a.
Use a rolling pin or similar object to squeegee the excess water out.
NOTE If conditions are humid, drying time may increase. b.
Re-shape and air dry overnight in a warm place or in front of a fan.
Cloth Cover, Thermoplastic Liner
Dirt, Stains
Machine wash (gentle cycle) or hand wash with warm water; allow to air dry. (Do not use dryer.)
Plastic Layers, Thermoplastic Liner
Dirt
Wipe exterior layers with damp cloth. Replace double-sided tape (received from ALSE technician) after cleaning.
Helmet Bag
Surface Dirt
Use regular detergent. Machine wash (gentle cycle) or hand wash with warm water; allow to air dry. (Do not use dryer.)
0023 00-2
TM 1-1680-377-13&P-1
0023 00
CLEANING – CONTINUED Table 1.
Operator Cleaning Instructions. – Continued
COMPONENT
CONDITION
CLEANING METHOD
Brow Pad (M45)
Dirt, Stains, Grease
Hand wash, cool or lukewarm water, mild liquid detergent, air dry only.
Cover Assembly, (M45)
Dirt, Stains, Grease
Hand or machine (gentle cycle) wash, cool or lukewarm water, mild detergent, air dry.
Layer Assembly (M45)
Dirt
Wipe clean with damp cloth. Replace double-sided tape.
Maxillofacial Shield
Dirt
Use clean cloth dampened with mild soap solution.
END OF WORK PACKAGE
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TM 1-1680-377-13&P-1
CHAPTER 10 AVIATION UNIT MAINTENANCE INSTRUCTIONS FOR HELMET SYSTEM, AIRCREW INTEGRATED (HGU-56/P) (PART NO. 1680-ALSE-101-6) (NSN: 8415-01-394-6474) (PART NO. 1680-ALSE-101-5) (NSN: 8415-01-394-8035) (PART NO. 1680-ALSE-101-4) (NSN: 8415-01-394-8034) (PART NO. 1680-ALSE-101-3) (NSN: 8415-01-394-8036) (PART NO. 1680-ALSE-101-2) (NSN: 8415-01-394-8033) (PART NO. 1680-ALSE-101-1) (NSN: 8415-01-394-8032) (HGU-56/P WITH CEP) (PART NO. 1680-ALSE-101-12) (NSN: 8415-01-522-5364) (PART NO. 1680-ALSE-101-11) (NSN: 8415-01-522-5348) (PART NO. 1680-ALSE-101-10) (NSN: 8415-01-522-5347) (PART NO. 1680-ALSE-101-9) (NSN: 8415-01-522-5344) (PART NO. 1680-ALSE-101-8) (NSN: 8415-01-522-5339) (PART NO. 1680-ALSE-101-7) (NSN: 8415-01-522-5310)
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AVIATION UNIT MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP SERVICE UPON RECEIPT OF MATERIEL INITIAL SETUP: Personnel Required ALSE Technician References
SF 368 DA PAM 738-751
SERVICE UPON RECEIPT OF MATERIEL UNPACKING This section contains instructions regarding the tasks to be performed upon receipt of the AIHS. These tasks include unpacking and inspection. 1.
Open the over pack carton and remove all unit pack cartons. Unit pack cartons are labeled according to their contents. Open each unit pack carton. Remove the sealed helmet and the helmet bag.
2.
Unseal the bag containing the helmet. Take the helmet, the earcup spacer pad set, the headband fitting pad set, and the ANVIS mounting kit out of the bag. Remove the wrapping from the helmet.
3.
Open the sealed bag containing the helmet bag, and remove the helmet bag.
CHECKING UNPACKED EQUIPMENT 1.
Check the helmet and the helmet bag for any damage incurred during shipment. Report any damage on SF 368, Product Quality Deficiency Report.
2.
Check the helmet and all other parts against the packing slip to determine if all parts have been included. Report any discrepancies in accordance with the instructions contained in DA PAM 738-751.
END OF WORK PACKAGE
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AVIATION UNIT MAINTENANCE HELMET SYSTEM, AIRCREW INTEGRATED HGU-56/P HGU-56/P WITH CEP HELMET SIZING INITIAL SETUP: Tools and Special Tools Combination Square (WP 0063 00, Item 5) Ruler (WP 0063 00, Item 21) Wood Block (WP 0063 00, Item 19) Marker (WP 0070 00, Item 27)
Materials/Parts Hook and Pile Fastener (WP 0070 00, Item 32) Personnel Required ALSE Technician Operator/Wearer
HELMET SIZING PROCEDURES
NOTE Proper fitting is essential to the functioning of the HGU-56/P, all of its modules, and, consequently, the safety of the Operator/Wearer. Take as much time as necessary to fit the AIHS precisely. Use extreme care in taking measurements and checking fit. 1.
Cut a block of wood (WP 0063 00, Item 19) 1 to 2-inches thick by 3 to 4-inches wide by 8-inches long, refer to Figure 1. a.
Attach an 8-inch strip of hook and pile fastener to the entire length of the center of one of the 4-inch wide faces, refer to Figure 1.
b.
Attach a 12-inch strip of hook and pile fastener, running vertically, to a wall (bottom of the strip approximately 5-feet 4-inches above the floor) so that the block can be adjusted for the various heights of users heads. HOOK FASTENER
MS098878A
Figure 1.
Block of Wood with Hook Fastener Attached.
2.
Attach the block of wood to the wall at the height of the Operator/Wearer’s head above the shoulder blades when the Operator/Wearer is standing.
3.
Have the Operator/Wearer stand with back of head against block. Ensure posture and body alignment are as straight as possible. The Operator/Wearer should hold his or her head in a comfortable position while focusing on a point directly ahead at eye level.
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HELMET SIZING PROCEDURES – CONTINUED
WARNING Proper fitting is essential to the functioning of the HGU-56/P, all of its modules, and, consequently, the safety of the Operator/Wearer. Take as much time as necessary to fit the AIHS precisely. Use extreme care in taking measurements and checking fit. 4.
Using a ruler (WP 0063 00, Item 21), measure a distance 1-1/2-inches above Operator/Wearer’s pupil, refer to Figure 2, View A. Using a marker (WP 0070 00, Item 27), make a small mark at this point in the center of the Operator/Wearer’s forehead; this is known as the forehead reference point.
5.
Using a combination square (WP 0063 00, Item 21), measure from the forehead reference point to the block; this is the head length, refer to Figure 2, View B. Be careful to just touch the Operator/Wearer’s skin at the forehead reference point. Ensure that the square is parallel to the floor and centered on the head. 6 5 4 3 2 1
1−1/2"
(A)
(B) MS098879A
Figure 2.
Determining Head Length for Helmet Sizing.
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HELMET SIZING PROCEDURES – CONTINUED 6.
Select the correct helmet size based upon head length as shown in Table 1. Table 1. Helmet Sizes. MAXIMUM HEAD LENGTH
HELMET SIZE
>8-5/16-inch
XL
8-1/16-inch - 8-5/16-inch
L
7-3/4-inch - 8-inch
M
7-7/16-inch - 7-11/16-inch
S
7-1/8-inch - 7-3/8-inch
XS
