D6K Track-Type Tractor Electrohydraulic Power Train Caterpillar

Worksheets - Troubleshoot

Usage:

Initial Pressure Tests

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Table 1
TROUBLESHOOTING WORKSHEET FOR INITIAL PRESSURE TESTS
Date	Product Identification Number
Initial Tests at HIGH IDLE
Item	Specification	Tolerance	Actual
Engine Speed
Charge Oil Pressure for the Front Pump
Charge Oil Pressure for the Rear Pump
Case Drain Pressure
Implement Pressure
Parking Brake Oil Pressure

Transmission Stall Test

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Table 2
TROUBLESHOOTING WORKSHEET FOR THE TRANSMISSION STALL TEST
Date	Product Identification Number
Transmission Stall Test in the FORWARD Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Transmission Stall Test in the REVERSE Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump

Remote Transmission Stall Test

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Table 3
TROUBLESHOOTING WORKSHEET FOR THE REMOTE TRANSMISSION STALL TEST
Date	Product Identification Number
Remote Transmission Stall Test in the FORWARD Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Remote Transmission Stall Test in the REVERSE Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump

Final Hydrostatic Speed Test

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Table 4
SPEED PARAMETERS OF THE ELECTRONIC CONTROL MODULE (ECM)
Date	Software Version
Parameter	Default	Actual
Forward Maximum Ground Speed
Reverse Maximum Ground Speed
Reverse Speed as a percent of Forward Speed

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Table 5
TROUBLESHOOTING WORKSHEET FOR THE FINAL HYDROSTATIC SPEED TEST
Date	Product Identification Number
Hydrostatic Speed Test in the FORWARD Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor
Hydrostatic Speed Test in the REVERSE Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor

Steering Test

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Table 6
SPEED PARAMETERS OF THE ELECTRONIC CONTROL MODULE (ECM)
Date	Software Version
Parameter	Default	Actual
Forward Maximum Ground Speed
Reverse Maximum Ground Speed
Reverse Speed as a percent of Forward Speed

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Table 7
TROUBLESHOOTING WORKSHEET FOR THE STEERING TEST IN THE FORWARD POSITION
Date	Product Identification Number
Steering and Transmission Control in the full LEFT Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor
Steering and Transmission Control in the full RIGHT Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor

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Table 8
TROUBLESHOOTING WORKSHEET FOR THE STEERING TEST IN THE REVERSE POSITION
Date	Product Identification Number
Steering and Transmission Control in the full LEFT Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor
Steering and Transmission Control in the full RIGHT Position
Item	Specification	Tolerance	Actual
Engine Speed
Drive Loop Pressure for the Front Pump
Drive Loop Pressure for the Rear Pump
Speed of the Left Drive Motor
Speed of the Right Drive Motor

Piston Pump and Motor Maximum Displacement Test

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Table 9
TROUBLESHOOTING WORKSHEET FOR THE PISTON PUMP AND MOTOR MAXIMUM DISPLACEMENT TEST
Date	Product Identification Number
Piston Pump and Motor Maximum Displacement Test in FORWARD Position
Item	Specification	Tolerance	Actual
Engine Speed
Left Motor Speed
Right Motor Speed
Piston Pump and Motor Maximum Displacement Test in REVERSE Position
Item	Specification	Tolerance	Actual
Engine Speed
Left Motor Speed
Right Motor Speed

Deceleration/Brake Pedal Test

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Table 10
TROUBLESHOOTING WORKSHEET FOR THE DECELERATION/BRAKE PEDAL TEST
Date	Product Identification Number
Item	Specification	Tolerance	Actual
Parking Brake Oil Pressure
Engine Speed with the Deceleration/Brake Pedal Fully Released. ⁽¹⁾
Deceleration/Brake Pedal Fully Released.
Engine Speed with the Deceleration/Brake Pedal at FIRST DETENT Position ⁽¹⁾
Deceleration/Brake Pedal at FIRST DETENT Position
Engine Speed with the Deceleration/Brake Pedal Fully Applied. ⁽¹⁾
Deceleration/Brake Pedal Fully Applied.

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^( 1 )

The engine speed will only decrease if the brake/deceleration pedal is set to decelerate the engine speed. The engine speed will remain at HIGH IDLE if the brake/deceleration pedal is set to decelerate the hystat system.