Doosan DX300LC-3 Excavator Service Manual

Table of Contents

Safety
Track Excavator Maintenance Safety …………………………………………… SP002322
Specifications
Specifications for DX300LC-3……………………………………………………… SP002323
General Maintenance
General Maintenance Instructions……………………………………………….. SP002454
Standard Torques……………………………………………………………………… SP002404
Upper Structure
Cabin ………………………………………………………………………………………. SP002324
Counterweight…………………………………………………………………………… SP002325
Fuel Tank…………………………………………………………………………………. SP002326
Fuel Transfer Pump (Option) ………………………………………………………. SP002394
Swing Bearing…………………………………………………………………………… SP002329
Lower Structure and Chassis
Track Assembly ………………………………………………………………………… SP002330
Engine and Drivetrain
Diesel Heater (Option) ……………………………………………………………….. SP002328
Drive Coupling (Main Pump)……………………………………………………….. SP002396
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment …………… SP002331
Accumulator……………………………………………………………………………… SP002455
Center Joint (Swivel)………………………………………………………………….. SP002456
Cylinders………………………………………………………………………………….. SP002332

Swing Device……………………………………………………………………………. SP002327
Travel Device……………………………………………………………………………. SP002333
Main Pump……………………………………………………………………………….. SP002405
Gear Pump (Option) ………………………………………………………………….. SP002457
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 (DX300LC-3)………………………………………………. SP002334
Electrical System
Electrical System ………………………………………………………………………. SP002337
Electrical Schematic (DX300LC-3) ………………………………………………. SP002376
Attachments
Boom and Arm………………………………………………………………………….. SP002335
Bucket……………………………………………………………………………………… SP002336

How to Use The Doosan DX300LC-3 Excavator Guide Manual:

This manual provides information for servicing the DX300LC-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 DX300LC-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.