Doosan DX300LC-5 Excavator Service Manual

Table of Contents

Safety
1 Track Excavator Maintenance Safety
Specifications
General Maintenance
1 General Maintenance Instructions
2 Standard Torques
Engine
Upper Structure
1 Cabin
2 Counterweight
3 Oil Tank
4 Fuel Tank
5 Main Pump
6 Drive Coupling (Main Pump)
7 Main Control Valve
8 Swing Device
9 Joystick Valve (Work Lever)
10 Dozer Joystick Valve
11 Travel Control Valve (with Damper)
12 Solenoid Valve
13 EPPR Valve (One or Two Way)
14 Accumulator
15 Gear Pump (Rotating)
16 One Spool Valve (Rotating)
Lower Structure and Chassis
1 Swing Bearing
2 Center Joint
2 Center Joint (Dozer)
4 Travel Device
5 Track Assembly
6 Dozer System
Front
1 Boom and Arm
2 Bucket
3 Cylinders
Hydraulic System
2 Hydraulic System Testing and Adjustment
3 Hydraulic System Troubleshooting
9 Electrical System 1 Electrical System
Options
1 One Way
2 Two-way
3 Rotating
4 Quick Coupler
Schematics

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.