Doosan DX255LC-3 Excavator Shop Repair Manual PDF

Table of Contents:-

Safety
Track Excavator Maintenance Safety …………………………………………… SP002322
Specifications
Specifications for DX255LC-3……………………………………………………… SP002547
General Maintenance
General Maintenance Instructions……………………………………………….. SP002454
Standard Torques……………………………………………………………………… SP002404
Upper Structure
Cabin ………………………………………………………………………………………. SP002324
Counterweight…………………………………………………………………………… SP002548
Fuel Tank…………………………………………………………………………………. SP002549
Fuel Transfer Pump (Option) ………………………………………………………. SP002550
Swing Bearing…………………………………………………………………………… SP002329
Lower Structure and Chassis
Track Assembly ………………………………………………………………………… SP002551
Engine and Drivetrain
Engine Coolant Heater (Option) ………………………………………………….. SP002328
Drive Coupling (Main Pump)……………………………………………………….. SP002586
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment …………… SP002597
Accumulator……………………………………………………………………………… SP002455
Center Joint (Swivel)………………………………………………………………….. SP002456
Cylinders………………………………………………………………………………….. SP002587
Swing Device……………………………………………………………………………. SP002588
Travel Device……………………………………………………………………………. SP002590
Main Pump……………………………………………………………………………….. SP002591
Gear Pump ………………………………………………………………………………. SP002500
Main Control Valve ……………………………………………………………………. SP002403
Remote Control Valve (Work Lever / Joystick) ………………………………. SP002395
Travel Control Valve (with Damper)……………………………………………… SP002381
Solenoid Valve Assembly …………………………………………………………… SP002406
Breaker EPPR Valve (Option) …………………………………………………….. SP002458
Hydraulic Schematic (DX255LC-3)………………………………………………. SP002589
Electrical System
Electrical System ………………………………………………………………………. SP002337
Electrical Schematic ………………………………………………………………….. SP002508
Attachments
Boom and Arm………………………………………………………………………….. SP002592
Bucket……………………………………………………………………………………… SP002506
How to Use The Doosan DX255LC-3 Excavator Guide Manual:

This manual provides information for servicing the DX255LC-3 Doosan Excavator. All service procedures are broken down into detailed steps, listed in their recommended sequence. The manual uses both photographs and drawings to help locate and itemize components. The table of Contents on the preceding pages is your best tool for finding the service procedure you need. Be certain to observe all Safety information included in these pages.

A schematic of each of the major engine systems is provided at the beginning of the section of the manual devoted to troubleshooting and repairing that particular system.

Basic safety precautions are list in the Safety section of the Doosan DX255LC-3 Excavator Service Manual. Additional safety precautions are list in the Safety section of the owner/operation/maintenance publication. Specific safety warnings for all these publications are provided in the description of operations where hazards exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.