14m16m Motor Grader

January 21, 2017 | Author: Claudia Marques | Category: N/A
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Description

14M/16M MOTOR GRADER

© 2007 Caterpillar Inc.

"M" SERIES MONITORING SYSTEM Primary Steering System Implement (6) System Indicator (5) Starting Aid Indicator (4) Charging System Indicator (3)

Left Turn Indicator (1)

Charge Sys Left Float Left Turn

Action Lamp (7)

Inlet Air Engine Sys Heater

Trans Sys

Sec Steer

Diff Lock

High Beam

Throt Lock

Coolant G2 Temp

% n/min

Operator Present

Right Turn

mph km/h kPa psi CF kmmiles

(9) Throttle Lock Indicator

Brake Sys

Right Blade Float Indicator (15)

Right Float

Tach G3

Hyd Oil G1 Temp

(8) Engine System Indicator

Park Brake

Action Primary Lamp Steer

Impl Sys

Left Blade Float Indicator (2)

Parking Transmission Secondary Brake System Steering System Indicator Indicator Indicator (10) (11) (12) Operator Present (14)

(17) Differential Lock Indicator

Right Turn Indicator (16)

Fuel G5 Level

(18) High Beam Indicator

(13) Primary Brake System Indicator

MESSENGER MAIN MENU SELECTIONS Performance

Totals

Main Menu Settings

Service

PERFORMANCE MENU SELECTION

Performance

Engine speed

Ground Speed

Eng Coolant Temp

Articulation Angle

Fuel Level

Hydraulic Oil Temperature

Required Gear

Actual Gear

TOS (Transmission Output Speed)

Trans Oil Temp

Implement Lockout

Pilot Supply

Blade L. Lift Cylinder

Blade R. Lift Cylinder

Sec Steer Test

Sec Steer Signal

PT Filter Status

Inching Pedal

TOTALS MENU SELECTIONS Forward

Reverse

Total Fuel

Service Hours

Lifetime Totals

Totals

Trip Totals

Forward

Trip Reset

Trip Reset

Reverse

Clear All Trip Totals

Return to Previous Screen

SETTINGS MENU SELECTION

Language Monitoring System

Settings

Units

Contrast

Initial FWD Gear

Backlight

Initial REV Gear

Product ID

Equipment ID Transmission

Min FWD AutoShift Gear Min REV AutoShift Gear Max FWD AutoShift Gear Max REV AutoShift Gear

SERVICE MENU SELECTIONS Diagnostics/ Events

View Diagnostics Monitoring System

Service System Parameters System Test

System Self Test

3 Sec Self Test

Engine

System Info: Engine

Trans/Chassis

System Info: Trans / Chassis

Monitoring System

System Info: Mon Sys

Implement

System Info: Implement

Engine

System Info

Service Test

Implement 2

System Info: Implement 2

Implement 3

System Info: Implement 3

Tattletale

Steering

Engine Speed Articulation Angle Fuel Level

Steering Control Pos / Steer Duty Cycle Left Cyl Ext / Right Cyl Ext Sec Steer Pos / Sec Steer Test Sec Steer Signal / Sec Relay Status

Brake

Brake Switch (Parking) / Brake Solenoid Park Brake Press / Park Brake Service Brake Pedal

Oil Temp Coolant Temp

Req. Gear / Actual Gear Trans Output Speed (TOS) / Trans Oil Temp PT Filter / Inching Pedal

Implement

Trans Fill Calibration

Tattletale Mode Active

Engine Spd / Desired Eng Spd Oil Pressure / Engine Coolant Temp Fuel Temp / Fuel Pressure Air Temp / Atmos Pressure Turbo Inlet Press / Turbo Outlet Press Boost Pressure / Fuel Position Throttle Position Sensor / Empty

Hyd Oil Temp / Hyd Oil Pressure Implement Lockout / Pilot Supply Blade L. Lift Pos / Blade L. Lift Cyl Blade R. Lift Pos / Blade R. Lift Cyl Wheel L. Lean Pos / Wheel R. Lean Pos Pitch Forward / Pitch Backward Side Shift Pos / Circle L. Side Shift Circle R. Side Shift / Circle Drive Pos Articulation Pos / Auto Artic. Pos

Manual Lube Mode Dead Engine Steering

Calibrations

Transmission

Battery Voltage / Fuel Level Alternator Status/Empty

"M" SERIES ECM ARCHITECTURE Implement ECM

Implement 2 ECM

Implement 3 ECM (If equipped)

Transmission Chassis Control

Messenger

Engine ECM Display Module Impl Sys

Charge Sys Left Float Left Turn

Hyd Oil G1 Temp

Inlet Air Engine Heater Sys

Primary Steer

Park Brake

Action Lamp

Throt Lock

Trans Sec Sys Steer Diff Lock

High Beam

Brake Sys

Right Float

Coolant G2 Temp

% n/min

Right Turn

mph km/h kPa psi CF kmmiles

Fuel G5 Level

Product Link ECM (If Equipped)

All Wheel Drive (If equipped) CAT Data Link CAN (J1939) Display Module CAN

C11 / C13 ENGINE ELECTRICAL SYSTEM

Engine ECM Implement ECMs

Data Link

Messenger Product Link

Engine ECM

Service Connector INPUT COMPONENTS Coolant Temperature Sensor Intake Manifold Air Pressure Sensor Engine Oil Pressure Sensor Atmospheric Pressure Sensor

OUTPUT COMPONENTS + 5Volt (Sensors) Throttle Sensor Voltage Analog Sensor Voltage 6 Mechanical Electronic Unit Injectors

Intake Manifold Air Temperature Sensor Fuel Pressure Sensor Fuel Temperature Sensor

Fan Solenoid Valve Ether Start Relay

Fuel Differential Pressure Switch Turbo Inlet Pressure Sensor Ground Level Shutdown Switch Throttle Pedal Position Sensor Key Start Switch ON (B+) Throttle Mode Switch Throttle Set / Accelerate Switch

Throttle Resume / Decelerate Switch Timing Calibration Connector Camshaft Speed Timing Sensor Crankshaft Speed Timing Sensor

Fuel Pump Relay

C11 / C13 ACERT

ENGINE FUEL DELIVERY SYSTEM Primary Fuel Filter / Water Separator

Electric Fuel Pump

Fuel Pressure Regulator

Fuel Gallery Secondary Fuel Filter

Fuel Transfer Pump

Fuel Tank

POWER DERATE Highest Rated Torque Map

Power

50% Derate Derate 100% Derate

Default Torque Map

Engine Speed

HIGH COOLANT TEMPERATURE DERATE 120%

% Derate

100% 80% 60% 40% 20% 0% 110

111

111.5

112

112.5

113

113.5

114

Coolant Temperature C Level 1 Warning

Level 2 Warning / Derates

114.5

LOW OIL PRESSURE 180 160

Oil Pressure (kPa)

140 120 35% Derate

100 80 60 40 20 0 0

500

1000

1500

2000

2340

Engine rpm kPa Warning Level 1

kPa Shut down Level 3

35% Derate

0 Derate

C11-C32 ENGINE INTAKE MANIFOLD TEMPERATURE DERATE 21% 18%

% Derate

15% 12% 9% 6% 3% 0% 82

86

87

88

89

90

91

Intake Manifold Temperature C Level 1 Warning

Level 2 Warning / Derates

92

93

AIR INLET RESTRICTION DERATE 16% 14%

% Derate

12% 10% 8% 6% 4% 2% 0%

0

2

4

6

8

10

12

14

Air Restriction kPa Difference Level 1 Warning

Level 2 Warning / Derates

16

FUEL TEMPERATURE DERATE 30%

% Derate

25% 20% 15% 10% 5% 0% 89.8 90.0 90.2 90.4 90.6 90.8 91.0

91.2

91.4

91.6

Fuel Temperature C Level 1 Warning

Level 2 Warning / Derates

91.8

92.0 92.2

FUEL FILTER RESTRICTION DERATE THE FUEL TEMP ABOVE 30 C (86 F) AND PRESSURE ABOVE 110 kPa (15 psi)

60%

% Derate

50% 40% 30% 20% 10% 0% 0

3 min

1 hr

2 hr

Time Level 1 Warning

3 hr

4 hr

4hr 1 sec

5 hr

Level 2 Warning / Derates

VIRTUAL EXHAUST TEMPERATURE DERATE Engine Derate Percentage

Barometric Pressure Inlet Manifold Temperature Engine Speed

Fuel Injection Calibration

Highest Derate Priority Selector

Engine ECM

Other Engine Derate Conditions

ENGINE IDLE MANAGEMENT - Cool Engine Mode - Low Voltage Mode

TRANSMISSION / CHASSIS ELECTRICAL SYSTEM Transmission/ Chassis ECM

Engine ECM Implement ECMs Messenger Product Link

Data Link

Service Connector INPUT COMPONENTS Operator Present Switch Key Start Switch Left Hand Joystick

OUTPUT COMPONENTS Engine Start Relay Secondary Steering Motor Relay Differential Lock Relay Back-up Alarm Relay

Inching Pedal Position Sensor Inching Pedal Switch

AC Clutch Relay Clutch 1 Forward High Solenoid

Transmission Input Speed Sensor Transmission Intermediate Speed Sensor 1 and 2 Transmission Output Speed Sensor 1 and 2 Transmission Oil Temperature Sensor Transmission Filter Bypass Switch Parking Brake Switch Parking Brake Pressure Switch Service Brake Switches Service Brake Accumulator Pressure Sensor Right Steering Cylinder Position Sensor Left Steering Cylinder Position Sensor Articulation Angle Sensor 1 and 2 Secondary Steering Test Switch Differential Lock Switch AutoShift Switch Fuel Level Sensor Air Conditioning Switch AC Pressure Switch +24 Battery Voltage

Clutch 2 Forward Low Solenoid Clutch 3 Reverse Solenoid Clutch 4 2nd Speed Solenoid Clutch 5 3rd Speed Solenoid Clutch 6 1st Speed Solenoid Clutch 7 Low Range Solenoid Clutch 8 High Range Solenoid

Parking Brake Solenoid Secondary Steering Right Solenoid Secondary Steering Left Solenoid MSS Status LED Autoshift Enabled LED +5 Volt Supply

Location Code 1 (Ground)

+8 Volt Supply

Location Code Enable (GND)

+10 Volt Supply

POWER TRAIN HYDRAULIC SYSTEM NEUTRAL

To Flywheel Lube

Temperature Sensor Cooler

Trans Lube

Relief Valve

Relief Valve Power Train Filter

Park Brake Solenoid

Park Brake Engage

transmission and Scavenge Pump

Park Brake Lube

Main Relief Valve Transmission Magnetic Screen

Differential Lock Solenoid

Differential Magnetic Screen

Differential Lock

Clutch Modulating Valves

8

8

Transmission Sump

Differential Sump

7

6

7

6

Relief Valve

5

5

4

4

3

3

2

2

1

1

Input Shaft

TRANSMISSION POWER FLOW 2

1

Clutch Identification

4

6

3

5

8

7

Parking Brake

1 2 3

FWD High FWD Low Reverse

4 5 6 7

Second Third First Low Range

8

High Range

POWER TRAIN HYDRAULIC SYSTEM NEUTRAL

To Flywheel Lube

Temperature Sensor Cooler

Trans Lube

Relief Valve

Relief Valve Power Train Filter

Park Brake Solenoid

Park Brake Engage

Transmission And Scavenge Pump

Park Brake Lube

Main Relief Valve Transmission Magnetic Screen

Differential Lock Solenoid

Differential Magnetic Screen

Differential Lock

Clutch Modulating Valves

7

8

8

Transmission Sump

Differential Sump

6

7

6

Relief Valve

5

5

4

4

3

3

2

2

1

1

POWER TRAIN HYDRAULIC SYSTEM FIRST SPEED FORWARD

To Flywheel Lube

Temperature Sensor Cooler

Trans Lube

Relief Valve

Relief Valve Power Train Filter

Park Brake Solenoid

Park Brake Engage

Transmission And Scavenge Pump

Park Brake Lube

Main Relief Valve Transmission Magnetic Screen

Differential Lock Solenoid

Differential Magnetic Screen

Differential Lock

Clutch Modulating Valves

7

8

8

Transmission Sump

Differential Sump

6

7

6

Relief Valve

5

5

4

4

3

3

2

2

1

1

TRANSMISSION MODULATING VALVE NO COMMANDED SIGNAL Test Port Valve Spool

Ball Orifice

Solenoid

Pin

Drain Orifice

To Tank

To Clutch

Spring

From Pump

TRANSMISSION MODULATING VALVE COMMANDED SIGNAL BELOW MAXIMUM Test Port Ball

Solenoid

Pin

Drain Orifice

Valve Spool

Orifice

To Tank

To Clutch

Spring

From Pump

TRANSMISSION MODULATING VALVE COMMANDED SIGNAL AT MAXIMUM Test Port Ball

Solenoid

Pin

Drain Orifice

Valve Spool

Orifice

To Tank

To Clutch

Spring

From Pump

POWER TRAIN HYDRAULIC SYSTEM SECOND SPEED FORWARD

To Flywheel Lube

Temperature Sensor Cooler

Trans Lube

Relief Valve

Relief Valve Power Train Filter

Park Brake Solenoid

Park Brake Engage

Transmission And Scavenge Pump

Park Brake Lube

Main Relief Valve Transmission Magnetic Screen

Differential Lock Solenoid

Differential Magnetic Screen

Differential Lock

Clutch Modulating Valves

7

8

8

Transmission Sump

Differential Sump

6

7

6

Relief Valve

5

5

4

4

3

3

2

2

1

1

POWER TRAIN HYDRAULIC SYSTEM FIRST SPEED REVERSE

To Flywheel Lube

Temperature Sensor Cooler

Trans Lube

Relief Valve

Relief Valve Power Train Filter

Park Brake Solenoid

Park Brake Engage

Transmission And Scavenge Pump

Park Brake Lube

Main Relief Valve Transmission Magnetic Screen

Differential Lock Solenoid

Differential Magnetic Screen

Differential Lock

Clutch Modulating Valves

7

8

8

Transmission Sump

Differential Sump

6

7

6

Relief Valve

5

5

4

4

3

3

2

2

1

1

IMPLEMENT ELECTRICAL SYSTEM

Implement 1 ECM

Engine ECM Transmission/Chassis ECM Implement ECMs Messenger Product Link

Data Link

Service Connector INPUT COMPONENTS Operator Present Switch Key Start Switch Hyd Oil Temp Sensor Pilot Filter Bypass Switch Secondary Steer Test Switch Hyd Pump Pressure Sensor Steering Valve Control Module Left Joystick Right Joystick

OUTPUT COMPONENTS Implement Pilot Solenoid Blade Left Raise / Lower Solenoids Blade Right Raise / Lower Solenoids Articulate Left / Right Solenoids Wheel Lean Left / Right Solenoids Blade Sideshift Left / Right Solenoids Circle Drive Clockwise / Counterclockwise Solenoids Blade Tip Forward / Backward Solenoids Centershift Left / Right Solenoids Auxiliary 7 Control Solenoids

Right Steer Cylinder Position Sensor Left Steer Cylinder Position Sensor

Steering Valve Control Module Backlight Relay

Articulation Angle Sensor 1 Aux 1 Control Float Indicator Articulation Angle Sensor 2 Implement Lockout Switch Auxiliary 1 to 7 Controls (if equipped) +24 Battery Voltage Location Code 2 (Ground) Location Code Enable (GND)

Aux 4 Control Float Indicator Aux 6 Control Float Indicator +5 Volt Supply +8 Volt Supply +10 Volt Supply

"M" SERIES MOTOR GRADER

Implement ECM

LEFT JOYSTICK CONNECTIONS

998-BR R800-OR P967-PU

Left Joystick +V1 Steer Sensor 1 Ground 3 Ground 2 Steer Sensor 2 Ground 1 Blade Lift Sensor

Articulation Snsr Wheel Lean Snsr Neutral Art Sw (N/O) Neutral Art Sw (N/C) Upshift Sw (N/O) Upshift Sw (N/C) Downshift Sw (N/O) Downshift Sw (N/C) FNR Forward FNR Neutral FNR Reverse Unused Steer Sensor 3 +V2 Ground 4

J1 1 2 3 4 5 6 7 8 9 10 11 12

J2

1 2 3 4 5 6 7 8 9 10 11 12

R800-OR U739-BR L731-BR X800-OR U740-BU P967-PU K750-PU

U739-BR U740-BU K750-PU K758-BU U743-GY U744-OR U745-PK U741-OR

21

5V Return

44 45

+8V Supply 8V Return

J2 18 48 49 26 24 23 28 34

Steer Lever Pos Snsr 1 Steer Lever Pos Snsr 2 Blade Left Lver Pos Snsr Art Lever Pos Snsr Wheel Lean Pos Snsr Auto Neutral Art Sw (NO) Auto Neutral Art Sw (NC) Steer Lever Pos Snsr 3

K758-BU U743-GY U744-OR U745-PK F785-WH F783-GN F781-BR F784-YL G750-BU G763-PU G755-GY

Transmission Chassis ECM

J3 1 2 3 4

J1

U741-OR T998-BR 998-BR

J1

L731-BR

21

5V Return

T998-BR R800-OR

44 45

+8V Supply 8V Return

U739-BR F785-WH F783-GN F781-BR F784-YL G750-BU G763-PU G755-GY L740-BU U741-OR

J2 18 30 31 36 37 23 28 29 48 34

Steer Lever Pos Snsr 1 Upshift Switch (NO) Upshift Switch (NC) Downshift Switch (NO) Downshift Switch (NC) Direction Sw (Forward) Direction Sw (Neutral) Direction Sw (Reverse) Steer Lever Pos Snsr 2 Steer Lever Pos Snsr 3

"M" SERIES MOTOR GRADER

Implement ECM

RIGHT JOYSTICK CONNECTIONS

J1 Right Joystick

+V1 Blade Lift Sensor Ground 1 +V2 Blade Sideshift Sensor Ground 2 Circle Drive Sensor Blade Pitch Sensor Circle Sideshift Sensor

709-OR A295-BK

J1 1 2 3 4 5 6 7 8 9 10 11 12

709-OR K749-WH A295-BK K799-WH M719-GN A202-BK U763-BU U764-GY

Throttle Res (N/O) Throttle Res (N/C) Diff Lock Sw (N/O) Diff Lock Sw (N/C)

+10V Supply 10V Return

J2 K749-WH M719-GN U763-BU U764-GY U765-WH

35 33 32 25 51

Blade Rt Lift Lever Pos Blade Sideshift Pos Snsr Circle Drive Pos Snsr Blade Pitch Pos Snsr Circle Sideshift Pos Snsr

Transmission Chassis ECM

U765-WH

J2

J2

1 2 3 4 5

69 70

C979-OR A755-PK R908-YL No Connection

R908-YL

34

Diff Lock Lock (NO)

799-WH A202-BK

69 70

+10V Supply 10V Return

Engine ECM

C979-OR A755-PK

J1 41

Throttle Resume Sw (NO)

59

Throttle Resume Sw (NC)

ELECTRONIC PRIMARY STEERING CONTROL Implement ECM J1 Power Spool Position Error Signal

12 37 40

Steering Control Module

M906-BU U736-YL U742-WH

X725-GY U743-WH

H807-YL X725-GY

U736-YL H807-YL M906-BU

J2 Load Return 1 Command Signal

4 20

500 Ohm Pull-up Resistor

1 2

1 2 3 4 5 6

Command Signal Error Signal Spool Position Ground Power

TRANSMISSION / CHASSIS ECM SECONDARY STEERING CONTROL

Right Secondary Steering Solenoid

Transmission / Chassis ECM

Left Secondary Steering Solenoid

Operator Present Switch

Secondary Steering Motor Relay

Left Joystick Hydraulic System Pressure

Articulation Angle Position Sensor 1

Articulation Angle Position Sensor 2

Secondary Steer Request

Steering Cylinder Position Sensors

Implement ECM

Left Steering Cylinder

STEERING CONTROL VALVE

Right Steering Cylinder

LOW PRESSURE STANDBY

Crossover Relief Valve and Makeup Valves Right Steering Control Solenoids

Shuttle Valve Direction Spool Shuttle Valve

Secondary Right Steering Solenoids

Screen Left Steering Control Solenoids

P - Controller

Shuttle Valve Compensator Valve

To Implement Control Valves

Metering Valve Check Valves

Signal Relief Valve

Priority Valve

From Pump

To Pump Control

Makeup Check Valve

To Tank

Pressure Reducing Valve

Secondary Left Steering Solenoids

Left Steering Cylinder

STEERING CONTROL VALVE

Right Steering Cylinder

PRIMARY STEER RIGHT TURN

Crossover Relief Valve and Makeup Valves Right Steering Control Solenoids

Shuttle Valve Direction Spool Shuttle Valve

Secondary Right Steering Solenoids

Screen Left Steering Control Solenoids

P - Controller

Shuttle Valve Compensator Valve

To Implement Control Valves

Metering Valve Check Valves

Signal Relief Valve

Pressure Reducing Valve

Priority Valve

To From Pump Pump Control

Makeup Check Valve

To Tank

Secondary Left Steering Solenoids

Left Steering Cylinder

STEERING CONTROL VALVE

Right Steering Cylinder

SECONDARY STEER RIGHT TURN

Crossover Relief Valve and Makeup Valves Right Steering Control Solenoids

Shuttle Valve Direction Spool Shuttle Valve

Secondary Right Steering Solenoids

Screen Left Steering Control Solenoids

P - Controller

Shuttle Valve Compensator Valve

To Implement Control Valves

Metering Valve Check Valves

Signal Relief Valve

Pressure Reducing Valve

Priority Valve

To From Pump Pump Control

Makeup Check Valve

To Tank

Secondary Left Steering Solenoids

STEERING CYLINDER SENSORS Cylinder Head End

Sensor Head

Magnet

Connector

Rod

IMPLEMENT CONTROL VALVE HOLD

Check Valve

Piston

Piston

Check Valve

Direction Spool

Solenoid

Signal Network Check Valve

Compensator Spool

Solenoid

IMPLEMENT CONTROL VALVE RAISE

Check Valve

Piston

Piston

Check Valve

Direction Spool

Solenoid

Signal Network Check Valve

Compensator Spool

Solenoid

IMPLEMENT CONTROL VALVE FLOAT

Check Valve

Piston

Piston

Check Valve

Direction Spool

Solenoid

Signal Network Check Valve

Compensator Spool

Solenoid

Wheel Lean Cylinder

Circle Drive Motor

Side Shift Cylinder

Center Shift Cylinder

Blade Tip Cylinder

Front Implement Control Valve Stack Compensator Valve

HYDRAULIC SYSTEM HOLD

Signal Check Valve

Left Steering Cylinder

Direction Spool

Right Steering Cylinder

Steering Control Valve Crossover Relief Valve and Makeup Valves

Solenoid Solenoid

Wheel Lean

Circle Drive

Blade Lift Cylinder Blade Accumulator

Blade Accumulator

Articulation Cylinders

Side Shift

Center Shift

Blade Lift Cylinder Rear Implement Control Valve Stack

Right Steering Control Solenoids

Blade Tip Center Shift Lock

Shuttle Valve

Direction Spool

Shuttle Valve

Signal Relief Valve Left Steering Control Solenoids

Screen P - Controller

Shuttle Valve Compensator Valve

Makeup Metering Check Valve Valve Check Valves Signal Relief Valve

Articulation

Blade Lift

Blade Lift

Load Signal Shuttle Valve

Implement / Steering Control Manifold

Hydraulic Tank

Check Valve Implement / Steering Pump

Return Filter

Check Valve

Pilot Filter

Priority Valve

Secondary Right Turn Solenoids

Pressure Reducing Valve

Secondary Left Turn Solenoids

HYDRAULIC SYSTEM WHEEL LEAN ACTIVATED

Circle Drive Motor

Wheel Lean Cylinder Compensator Valve

Center Shift Cylinder

Blade Tip Cylinder

Side Shift Cylinder

Front Implement Control Valve Stack

Signal Check Valve

Direction Spool

Wheel Lean Articulation Cylinders

Circle Drive

Side Shift

Center Shift Blade Lift Cylinder

Blade Accumulator

Blade Lift Cylinder

Blade Tip

Center Shift Lock

Rear Implement Control Valve Stack

Blade Accumulator

Signal Relief Valve

Articulation

Blade Lift

Blade Lift

Load Signal Shuttle Valve

Implement / Steering Control Manifold

Hydraulic Tank Implement / Steering Pump

Return Filter

Check Valve Check Valve

Pilot Filter

Steering Control Valve

HYDRAULIC SYSTEM

TWO IMPLEMENT CONTROL VALVES ACTIVATED Circle Drive Motor

Wheel Lean Cylinder

Compensator Valve

Center Shift Cylinder

Blade Tip Cylinder

Side Shift Cylinder

Front Implement Control Valve Stack

Signal Check Valve

Direction Spool

Wheel Lean Articulation Cylinders

Circle Drive

Center Shift

Side Shift Blade Lift Cylinder

Blade Lift Cylinder

Blade Accumulator

Blade Accumulator

Blade Tip Center Shift Lock

Rear Implement Control Valve Stack Signal Relief Valve

Articulation

Blade Lift

Blade Lift

Load Signal Shuttle Valve Implement / Steering Control Manifold

Hydraulic Tank Check Valve Implement / Steering Pump

Return Filter

Check Valve

Pilot Filter

Steering Control Valve

HYDRAULIC SYSTEM VARIABLE FLOAT NOT ACTIVATED Variable Float Enable Solenoid

Variable Downforce Proportional Solenoid

Blade Accumulator Solenoid Valve Blade Lift Cylinder

Blade Lift

Variable Float Enable Solenoid

Variable Downforce Proportional Solenoid

Blade Accumulator Solenoid Valve

Blade Accumulator

VARIABLE FLOAT ACTIVATED

Blade Lift Cylinder

Blade Accumulator

Blade Lift

SERVICE BRAKE VALVE NOT ACTIVATED

Plunger Return Spring Ball Retainer

Boot Plunger Springs Shims

Ball Upper Spool Right Brake Port System Pressure Port Lower Spool

Check Valve

Tank Port Upper Spool Orifice Upper Spool Passage

Left Brake Port

Tank Port

System Pressure Port

Upper Spool Orifice Lower Spool Passage

Lower Return Spring

SERVICE BRAKE VALVE BRAKES ACTIVATED

Plunger Return Spring Ball Retainer Ball

Boot Plunger Springs Shims Check Valve

Upper Spool Right Brake Port System Pressure Port Lower Spool Left Brake Port System Pressure Port

Tank Port Upper Spool Orifice Upper Spool Passage Tank Port

Lower Spool Orifice Lower Spool Passage

Lower Return Spring

BRAKE AND FAN SYSTEM CUT-IN

Right Service Brakes Brake Control Valve

Hydraulic Tank

Left Service Brakes

Pump Control Valve

Brake Pressure Switch

Flow Control Spool Resolver Valve

Pressure Cutoff Spool Min Angle

Screen Return Filter

Fan Speed Solenoid

Check Valve

Inverse Shuttle Valve Cut-in Valve

Brake and Fan Pump Cut-out Valve

Priority Valve

Hydraulic Oil Cooler

Fan

Temperature Sensor

Cooler Bypass

Fan Motor

Relief Valve

Accumulator

Accumulator

BRAKE AND FAN SYSTEM CUT-OUT VALVE OPENING

Right Service Brakes Brake Control Valve

Hydraulic Tank

Left Service Brakes

Pump Control Valve

Brake Pressure Switch

Flow Control Spool Resolver Valve

Pressure Cutoff Spool Min Angle

Screen Return Filter

Fan Speed Solenoid

Check Valve

Inverse Shuttle Valve Cut-in Valve

Brake and Fan Pump Cut-out Valve

Priority Valve

Hydraulic Oil Cooler

Fan

Temperature Sensor

Cooler Bypass

Fan Motor

Relief Valve

Accumulator

Accumulator

BRAKE AND FAN SYSTEM CUT-OUT / FAN AT MINIMUM SPEED

Right Service Brakes Brake Control Valve

Hydraulic Tank

Left Service Brakes

Pump Control Valve

Brake Pressure Switch

Flow Control Spool Resolver Valve

Pressure Cutoff Spool Min Angle

Screen Return Filter

Fan Speed Solenoid

Check Valve

Inverse Shuttle Valve Cut-in Valve

Brake and Fan Pump Cut-out Valve

Priority Valve

Hydraulic Oil Cooler

Fan

Temperature Sensor

Cooler Bypass

Fan Motor

Relief Valve

Accumulator

Accumulator

BRAKE AND FAN SYSTEM CUT-OUT / FAN AT MAXIMUM SPEED

Right Service Brakes Brake Control Valve

Hydraulic Tank

Left Service Brakes

Pump Control Valve

Brake Pressure Switch

Flow Control Spool Resolver Valve

Pressure Cutoff Spool Min Angle

Screen Return Filter

Fan Speed Solenoid

Check Valve

Inverse Shuttle Valve Cut-in Valve

Brake and Fan Pump Cut-out Valve

Priority Valve

Hydraulic Oil Cooler

Fan

Temperature Sensor

Cooler Bypass

Fan Motor

Relief Valve

Accumulator

Accumulator

BRAKE AND FAN SYSTEM SERVICE BRAKES APPLIED / FAN AT MAXIMUM SPEED

Right Service Brakes Brake Control Valve

Hydraulic Tank

Left Service Brakes

Pump Control Valve

Brake Pressure Switch

Flow Control Spool Resolver Valve

Pressure Cutoff Spool Min Angle

Screen Return Filter

Fan Speed Solenoid

Check Valve

Inverse Shuttle Valve Cut-in Valve

Brake and Fan Pump Cut-out Valve

Priority Valve

Hydraulic Oil Cooler

Fan

Temperature Sensor

Cooler Bypass

Fan Motor

Relief Valve

Accumulator

Accumulator

HYDRAULIC SCHEMATIC COLOR CODE Black - Mechanical connection. Seal

Red - High pressure oil

Dark Gray - Cutaway section

Red/White Stripes - 1st pressure reduction

Light Gray - Surface color

Red Crosshatch - 2nd reduction in pressure

White - Atmosphere or Air (No pressure)

Pink - 3rd reduction in pressure

Purple - Pneumatic pressure

Red/Pink Stripes - Secondary source oil pressure

Yellow - Moving or activated components

Orange - Pilot, charge, or Torque Converter oil

Cat Yellow - (R estricted usage) Identification of components within a moving group

Orange / White Stripes Reduced pilot, charge, or TC oil pressure

Brown - Lubricating oil

Orange Crosshatch - 2nd reduction in pilot, charge, or TC oil pressure.

Green - Tank, sump, or return oil

Blue - Trapped oil

Green / White Stripes Scavenge Oil or Hydraulic Void

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