Travel System - Doosan DX700LC Operation And Maintenance Manual

TRAVEL SYSTEM

Problem
Travel motion does not
function.
Travel speed is too low.
Troubleshooting
Cause
Center joint leaking.
Parking brake will not release.
Travel motor failed.
Remote control valve failed.
Wrong pilot line connection.
Track tension too high or too low.
Damaged rollers or idlers.
Track frame damaged.
Parking brake will not release.
Remedy
Repair or replace as required.
Repair parking brake.
Repair or replace as required.
Repair or replace as required.
Reconnect pilot lines.
Adjust tension.
Repair or replace as required.
Repair as required.
Repair parking brake.
OP000030
6-5