Original Instructions
Copyright DOOSAN 2012
Serial Number 1001 and Up
Shop Manual
DX140LCR-3 Excavator
950106-01021E
December 2012
DOOSAN and the DOOSAN logo are registered
trademarks of DOOSAN Corporation in the United
States and various other countries around the
world.
Table of Contents
Page I
1Table of Contents
Safety
Track Excavator Maintenance Safety ................................................... SP002907
Specifications
Specifications for DX140LCR-3............................................................ SP002908
General Maintenance
General Maintenance Instructions........................................................ SP002454
Standard Torques................................................................................. SP002404
Upper Structure
Cabin .................................................................................................... SP002909
Counterweight....................................................................................... SP002910
Fuel Tank.............................................................................................. SP002911
Fuel Transfer Pump (Option) ................................................................ SP002912
Swing Bearing....................................................................................... SP002913
Swing Reduction Gear.......................................................................... SP002526
Lower Structure and Chassis
Track Assembly .................................................................................... SP002914
Engine and Drivetrain
QSB4.5 Engine..................................................................................... SP002915
Drive Coupling (Main Pump)................................................................. SP002931
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ............... SP002916
Accumulator.......................................................................................... SP002455
Center Joint (Swivel)................