Doosan DX300LCA Excavator Service Manual

Table of Contents

Safety
Track Excavator Safety………………………………………………………………. SP002025
Specifications
Specification for DX300LCA ……………………………………………………….. SP002026
General Maintenance
General Maintenance Procedures……………………………………………….. SP000016
Standard Torques……………………………………………………………………… SP000813
Upper Structure
Cabin ………………………………………………………………………………………. SP001737
Counterweight…………………………………………………………………………… SP001748
Fuel Tank…………………………………………………………………………………. SP002027
Fuel Transfer Pump (Opt)…………………………………………………………… SP000021
Swing Bearing…………………………………………………………………………… SP001856
Swing Reduction Gear……………………………………………………………….. SP002028
Lower Structure and Chassis
Track Assembly ………………………………………………………………………… SP001741
Engine and Drive Train
Drive Coupling (Main Pump)……………………………………………………….. SP002029
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment …………… SP001751
Accumulator……………………………………………………………………………… SP000028
Center Joint (Swivel)………………………………………………………………….. SP001620
Cylinders………………………………………………………………………………….. SP000030

Swing Motor……………………………………………………………………………… SP000031
Travel Motor……………………………………………………………………………… SP000032
Travel Reduction Gear……………………………………………………………….. SP000071
Axial Piston Pump……………………………………………………………………… SP000068
Gear Pump ………………………………………………………………………………. SP000033
Main Control Valve ……………………………………………………………………. SP000034
Remote Control Valve (Work Lever / Joystick) ………………………………. SP000069
Travel Control Valve (With Damper)…………………………………………….. SP001743
Solenoid Valve Assembly …………………………………………………………… SP001622
Breaker EPPR Valve (Opt) …………………………………………………………. SP000192
Hydraulic Schematic DX300LC/DX300LCA ………………………………….. SP001752
Electrical System
Electrical System………………………………………………………………………. SP002030
Electrical Schematic DX300/340/350LC/DX300LCA………………………. SP002031
Attachments
Boom and Arm………………………………………………………………………….. SP001851
Bucket……………………………………………………………………………………… SP001852

How to Use The Guide Manual

This manual provides information for servicing the 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 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.