Doosan DX225LC Excavator Shop Repair Manual PDF

Shop Manual: 816 Pages
Manuals: Shop Manual
Publication No: K1048003E
Doosan DX225LC Excavator Service Manual – 816 Pages

Table of Contents:-

Safety
Track Excavator Safety…………………………………………………………….. SP000907
Specifications
Specification for DX225LC ………………………………………………………… SP001616
General Maintenance
General Maintenance Procedures ……………………………………………… SP000016
Standard Torques …………………………………………………………………….. SP000813
Upper Structure
Cabin ………………………………………………………………………………………. SP000943
Counterweight…………………………………………………………………………… SP001617
Fuel Tank………………………………………………………………………………… SP001005
Fuel Transfer Pump …………………………………………………………………. SP000021
Swing Bearing………………………………………………………………………….. SP000022
Swing Reduction Gear ……………………………………………………………… SP001618
Lower Structure and
Chassis
Track Assembly ……………………………………………………………………….. SP001619
Engine and Drive Train
Drive Coupling (Main Pump) …………………………………………………….. SP000912
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ……….. SP000913
Accumulator……………………………………………………………………………… SP000028
Center Joint (Swivel) ………………………………………………………………… SP001620
Cylinders………………………………………………………………………………….. SP000914
Swing Motor…………………………………………………………………………….. SP000194
Travel Motor…………………………………………………………………………….. SP001621
Gear Pump………………………………………………………………………………. SP000931
Main Control Valve…………………………………………………………………… SP001024
Axial Piston Pump……………………………………………………………………. SP000932
PTO Server……………………………………………………………………………… SP000933
Remote Control Valve (Work Lever / Joystick) ………………………….. SP001646
Travel Control Valve (with Damper) ………………………………………….. SP001647
Solenoid Valve Assembly………………………………………………………….. SP001622
Breaker EPPR Valve (Opt)……………………………………………………….. SP000192
Hydraulic Schematic (DX225LC) ……………………………………………….. SP001689
Electrical System
Electrical System ……………………………………………………………………… SP001645
Electrical Schematic (DX225LC)………………………………………………… SP001690
Attachments
Boom and Arm ………………………………………………………………………… SP000937
Bucket……………………………………………………………………………………… SP000939
Doosan DX225LC Manual Instruction Extract:
| Problem
| Possible Cause
| Remedy
| Secondary pressure does
not increase.
| Low primary pressure.
| Check primary pressure.
| Broken spring.
| Replace spring.
| Spool sticking.
| Clean, repair or replace.
| Excess spool to casing clearance.
| Replace spool casing.
| Worn or loose universal joint
(handle) subassembly
| Repair or replace U-joint subassembly.
| Secondary pressure too
high.
| Dirt, other interference between
valve parts.
| Clean, repair or replace.
| Secondary pressure too
high.
| Return line pressure too high.
| Redirect return line.
| Secondary pressure too
high.
| Dirt, other interference between
valve parts, or worn spool sticking
intermittently.
| Clean, repair or replace.
| Interference or binding on spool
return spring.
| Clean, repair or replace.
| Interference, restriction or unsteady
pressure in tank return line.
| Repair or reroute tank return line.
| Air bubbles in piping (temporary) or
air leak.
| Vent air, or repair leak.