Doosan Mega 500-V User Manual

022-00029AE Operation and Maintenance Manual Troubleshooting 6-5
TRAVEL SYSTEM
GENERAL
Problem Possible Causes Remedies
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
Table
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

Doosan Mega 500-V Specifications

General

Brand	Doosan
Model	Mega 500-V
Category	Compact Loader
Language	English