6-6 Troubleshooting 022-00028AE Operation and Maintenance Manual
TRAVEL SYSTEM
GENERAL
Problem Cause Remedy
Machine will not travel. Transmission clutch pressure
incorrect.
Adjust pressure.
Transmission charge pump
damaged.
Replace pump.
Damage to transmission control
valve wiring harness.
Repair wiring.
Burned travel relay or fuse Replace relay or fuse.
Forward/Reverse solenoid for
transmission control valve sticking.
Clean and repair.
Damaged transmission clutch. Repair or replace clutch.
Damaged drive shaft. Repair or replace.
Damaged transmission or axle. Repair or replace.
Wheel brakes not releasing. Repair brakes.
Parking brake not releasing. Repair parking brake.
Machine will travel but has little
power.
Fluid pressure low in transmission
clutch.
Repair clutch.
Transmission fluid low. Add fluid.
Damage to torque converter. Repair or replace.
Engine malfunction. See Engine Troubleshooting
Ta b l e .
Brake valve. Disassemble and clean.
Unusual transmission noise. Low transmission fluid, or low quality
fluid.
Add fluid or change fluid.
Worn transmission parts. Replace parts.
Broken gears or bearings. Replace parts.
Transmission fails to operate. Damaged transmission clutch discs. Replace discs.
Damaged wires in transmission
control wire harness.
Repair wires.
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