Complete workshop & service manual with electrical wiring diagrams for Doosan DX225LC, DX225NLC Crawler Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Doosan DX225LC, DX225NLC Crawler Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

“K1015439E.pdf”
Doosan DX225LC Crawler Excavator Shop Manual
K1015439E; Serial Number 5001 and Up; 856 pages

TABLE OF CONTENTS
Publication Request for Proposed Revision
Safety
Track Excavator Safety......................... SP000014
Specifications
Specification for DX225LC.................... SP000908
General Maintenance
General Maintenance Procedures....................... SP000016
Standard Torques............... SP000017
Upper Structure
Cabin ................... SP000943
Counterweight..................... SP000940
Fuel Tank............. SP001005
Fuel Transfer Pump............ SP000021
Swing Bearing..................... SP000022
Swing Reduction Gear.......................... SP000915
Lower Structure and Chassis
Track Assembly .................. SP000911
Engine and Drivetrain
Air Conditioner .................... SP000025
Drive Coupling (Main Pump)................. SP000912
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ............... SP000913
Accumulator........................ SP000028
Center Joint (Swivel)............................. SP000029
Cylinders.............. SP000914
Swing Motor........................ SP000194
Travel Motor........................ SP000922
Gear Pump ......................... SP000931
Main Control Valve ............. SP001024
Axle Piston Pump ............... SP000932
PTO Server......................... SP000933
Remote Control Valve (Work Lever / Joystick) ...................... SP000069
Travel Control Valve (with Damper)..................... SP000070
Solenoid Valve Assembly ..................... SP000445
Breaker EPPR Valve (Opt) ................... SP000192
Hydraulic Schematic (DX225LC)......................... SP000934
Electrical System
Electrical System ................ SP000935
Electrical Schematic (DX180LC/DX225LC/DX225NLC/DX255LC)...... SP000936
Attachments
Boom and Arm.................... SP000937
Bucket.................. SP000939
…

— — — — — — — — — — — — — — — — — — — — — — — — — — —

“K1024241E.pdf”
Doosan DX225NLC Crawler Excavator Shop Manual
K1024241E; Serial Number 5001 and Up; 804 pages

TABLE OF CONTENTS
Safety
Track Excavator Safety ....................... SP000014
Specifications
Specification for DX225NLC ............... SP001010
General Maintenance
General Maintenance Procedures ..................... SP000016
Standard Torques .............. SP000813
Upper Structure
Cabin ................... SP000943
Counterweight..................... SP000940
Fuel Tank............ SP001014
Fuel Transfer Pump ............................ SP000021
Swing Bearing.................... SP001109
Swing Reduction Gear ........................ SP000915
Lower Structure and
Chassis
Track Assembly ................. SP000911
Engine and Drive Train
Drive Coupling (Main Pump) .............. SP001069
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ........... SP000913
Accumulator........................ SP000028
Center Joint (Swivel) ........................... SP000029
Cylinders.............. SP000030
Swing Motor ....................... SP001013
Travel Motor....................... SP000922
Gear Pump......................... SP000931
Main Control Valve............ SP000034
Axial Piston Pump............. SP001008
PTO Server ........................ SP000933
Remote Control Valve (Work Lever / Joystick) ................. SP000069
Travel Control Valve (with Damper) ................. SP000070
Solenoid Valve Assembly.................... SP000445
Breaker EPPR Valve (Opt)................. SP000192
Hydraulic Schematic (DX225NLC)..................... SP001057
Electrical System
Electrical System ............... SP000935
Electrical Schematic (DX180LC/DX225LC/DX225NLC/DX255LC) .... SP000936
Attachments
Boom and Arm.................. SP000937
Bucket.................. SP000939
…

— — — — — — — — — — — — — — — — — — — — — — — — — — —

“K1049155E.pdf”
Doosan DX225LCA Crawler Excavator Operation and Maintenance Manual
K1049155E; Serial Number 5167 and Up; July 2008; 273 pages

EXCERPT:
"Track Installation"
"1. Lay rebuilt or new track into position under track frame."
"End of track should be positioned under drive sprocket."
"2. With upper structure at 90° to track frame. Use bucket and boom to raise track frame off blocking."
"3. With blocking removed, lower track frame onto track. Make sure all rollers are properly positioned on track."
"4. Move unit forward while feeding track up over drive"
"sprocket. Continue to pull track back until it engages front idle roller."
"5. Align master links and install master pin."
"6. Insert new lock pin in master pin. Bend end of pin over so it is pointing in opposite direction of other end as shown."
"7. Apply track tension. Refer to ""Track Tension"" in this section for procedure."
…