QSK-50L Maint Schedule (1)

Ref: IR / DEMU/ Medha /2017 / 01 Date: 19-04-2017

To, CME, Northeast Frontier Railway CME, Eastern Railway CME, South Eastern Railway CME, East Central Railway CME, North Eastern Railway CME, North Western Railway CME, Northern Railway CME, South Central Railway CME, South Western Railway CME, Southern Railway CME, Central Railway CME, Western Railway CME, West Central Railway CME, North Central Railway CME, South East Central Railway CME, East Coast Railway Dy CME Design, ICF

Sub: Maintenance Manual for QSK-50L engine powering IGBT based 1600 HP DEMU Ref: Letter to CAMTECH, Ref: CIL/Camtech/DEMU/4, Dated: 24-03-2017 Dear Sir, With reference to the subject matter, we are herewith enclosing the Maintenance Manual of QSK-50L engine fitted on 1600 HP DEMU application. The enclosed Manual has the maintenance schedule in Day wise as well as Hours wise,considered average running hours of 15 Hrs / day.

Cummins India Limited (Distribution Business Unit) Cummins India Office Campus Tower A, 3rd Floor, Survey No 21 Balewadi Pune : 411045 Tel +91 20 67067000, 30197000 Fax +91 20 67067013 cumminsindia.com Registered Office:

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Cummins India Limited Kothrud, Pune 411038 India

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You are herewith requested to circulate the enclosed Maintenance Manual to all the sheds which are having 1600HP DEMU with Cummins QSK-50L engine and necessary instructions to be passed for strict adherence to the maintenance schedule as recommended by Cummins to prevent any undesireable break down. Please Note: We have submitted the above maintenance Manual to CAMTECH, RDSO, & ICF for their reference and record. Yours Faithfully, For Cummins India Ltd – DBU

Saptarshi Bhaduri Head – Customer Support - Railway

CC: All Zonal Offices – Cummins India Limited CC: All Area Offices – Cummins India Limited CC: All Cummins authorized Dealership CC: Medha Servo Drives Pvt. Ltd, Hyderabad

Cummins India Limited (Distribution Business Unit) Cummins India Office Campus Tower A, 3rd Floor, Survey No 21 Balewadi Pune : 411045 Tel +91 20 67067000, 30197000 Fax +91 20 67067013 cumminsindia.com Registered Office:

Cummins India Limited Kothrud, Pune 411038 India

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MAINTENANCE STEPS 1 KEEP DIRT OUT OF THE ENGINE

Cummins

6 LET THE ENGINE BREATHE

MAINTENANCE

2 MAINTAIN A LUBRICATING FILM ON ALL BEARING SURFACES 3 REGULATE THE ENGINE’S FUEL

MAINTENANCE STEPS

7 PREVENT OVERSPEEDING 8 KNOW YOUR ENGINE’S CONDITION

IMPORTANT INSTRUCTIONS AND RECOMMENDATIONS 1. This maintenance schedule is applicable for QSK50 CM2150 MCRS DEMU

4 CONTROL OPERATING TEMPERATURES 5 GUARD AGAINST CORROSION

9 CORRECT TROUBLES WHILE THEY ARE SIMPLE

2. Average daily running hours considered : 15 hrs/day 2 Recommended Engine Oil API 15W40 CI4 Plus. 3. Recommended Hydraulic Oil Anti-Wear VG 68.

10 SCHEDULE AND CONTROL YOUR MAINTENANCE

4. Recommended Coolant Premix Fleetguard Compleat EG 50:50. 5. Do not intermix different brands or grades of oil or coolant. 6. Refer the Operation and Maintenance Manual supplied with the engine for detail instructions. 7. The maintenance schedule in Days / Hours should be considered whichever comes early.

Contact nearest Cummins Authorised Service Office for any clarification.

Daily Interval

Every Days / Hours 32 / 500

Every Days / Hours

Every Days / Hours

64 / 1000

80 / 1500

z LUBRICATING OIL LEVEL CHECK - CHECK

z FUEL FILTER (STAGE 0) - z ELIMINATORTM FILTER CHANGE CENTRIFUDGE CLEAN AND z FUEL-WATER CHECK SEPARATOR (STAGE1) CHANGE z ELIMINATORTM FILTER PRESSURE z FUEL FILTER (STAGE2) CHANGE - CHECK

z COOLANT LEVEL CHECK

z COOLANT FILTER CHANGE

z LUBRICATING OIL - CHANGE

z AIR INTAKE PIPING CHECK

z ENGINE MOUNTS CHECK

API 15W40 CI4 Plus)

z AIR CLEANER RESTRICTION1 CHECK

z WATER PUMP - CHECK

z CRANKCASE BREATHER TUBE CHECK z FUEL-WATER SEPARATOR - DRAIN

z ENGINE STEAM CLEANING CLEAN z RADIATOR HOSES CHECK

z DRIVE BELTS - CHECK z ELIMINATORTM FILTER ROTATION - CHECK z LEVEL OF OIL IN HYDRAULIC TANKCHECK z RADIATOR CORE LEAKAGE OR CHOKECHECK z HYDRAULIC PUMP MOUNTING AND CONNECTIONSCHECK

Every Days / Hours

Every Days / Hours

384 / 6000

1330 / 20000 z INJECTORSREPLACE

z COOLING SYSTEM FLUSH AND FILL UP WITH (Reco mmend ed FRESH PREMIX Hydraulic Oil FLEETGUARD Anti-Wear COMPLEAT VG 68) EG 50:50. zHYDRAULIC OIL CHANGE

z AIR CLEANER ELEMENT1 CHANGE

zTURBOCHARGER INSPECT AND REUSE

z CRANKCASE BREATHER ELEMENTCHECK

z CHARGING ALTERNATOR BELT - CHECK

(Recommended Oil

z COOLANT CONCENTRATION CHECK

Every Days / Hours 192 / 3000

z VIBRATION DAMPER, VISCOUSCHECK

z HYDRAULIC OIL- CHECK z HYDRAULIC PUMP MOUNTING- CHECK z HYDRAULIC PUMP DRIVE PULLEY ALIGNMENT CHECK z HYDRAULIC BELT TENSION- CHECK zHYDRAULIC OIL FILTER ELEMENT - CHANGE zFUEL VENT HOSES LEAKAGE - CHECK

1. WHEN THE RED BAND APPEARS ON THE INDICATOR CLEAN / REPLACE THE AIR FILTER PRIMARY ELEMENT ONLY. DO NOT REMOVE THE SAFETY ELEMENT FOR CLEANING . REPLACE THE PRIMARY FILTER AFTER 3RD CLEANING. SAFETY ELEMENT FILTER SHOULD BE REPLACED ALONG WITH THE PRIMARY ELEMENT.

Cummins India Limited Registered Office : Kothrud, Pune 411 038 (India)

BULLETIN No. 4397523

Ref : CIL/Camtech/DEMU/4 Date : 24.03.2017 The Director Mechanical CAMTECH/ GWL Gwalior

Kind Attention: Mr. KP Yadav Subject : Preparation of Maintenance Manual for 1600HP DEMU Reference: (1) CAMTECH Letter no. IRCAMTECH/M/GWL/16-17/1600 HPDEMU dated 06-01-2017 (2) Cummins letter on the subject dated 19.01.2017 and 16.02.2017 Dear Sir, This is with reference to your request in the letter referenced above in (1). As was decided in the seminar and further in our letters referenced in (2), please find enclosed the QSK50 maintenance schedule in hours and days. With this we complete the submission of data. We request you to review the details and provide your feedback. Thanking You, Yours Sincerely, For Cummins India Limited

Ankur Khushu Regional Manager (North) – Rail Power Systems Business Unit Cummins India Ltd 91-9811868022 Cc: Director (Engines), RDSO Dty CME, ICF Encl : QSK50 Maintenance Schedule in Days and Hours Page 1 of 1