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Doosan DX480LC User Manual

Doosan DX480LC
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950106-00075E Shop Manual
Copyright 2010 DOOSAN
DOOSAN reserves the right to improve our products in a continuing process to provide the best possible
product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your
machine's package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.
Shop Manual
950106-00075E
Serial Number 5001 and Up
DX300LCA

Table of Contents

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Doosan DX480LC Specifications

General IconGeneral
BrandDoosan
ModelDX480LC
CategoryExcavators
LanguageEnglish

Summary

Safety Precautions

Specifications

MAINTENANCE

Standard Torques

Lists standard torque values for metric and U.S. fasteners, including special coatings.

Track Assembly

Track Tension

Explains how to measure and adjust track tension, including safety warnings and recommended clearances.

Hydraulics

Hydraulic System Troubleshooting, Testing and Adjustment

Covers safety precautions, applicable models, general notes, schematics, operation of components, and troubleshooting procedures for the hydraulic system.

Electrical System

Engine Starting Circuit

Details the procedure for starting the engine, including security system checks and starter operation.

Gear Pump

Main Control Valve

REASSEMBLY

Details general cautions and steps for reassembling the main control valve components.

Cylinders

Reassembly

Outlines general cautions and procedures for reassembling hydraulic cylinders after disassembly.

Swing Motor

Troubleshooting, Testing and Adjustment

Covers general precautions, checking hydraulic motor faults, troubleshooting common problems, and disassembly procedures.

Disassembly

Provides general cautions and step-by-step instructions for disassembling the swing motor.

Swing Reduction Gear

Troubleshooting, Testing and Adjustment

Covers troubleshooting, testing, and adjustment procedures for the swing system.

Boom and Arm

Arm Removal Procedure

Provides step-by-step instructions for safely removing the arm cylinder and related components.

Boom Removal Procedure

Details the procedure for safely removing the boom, including necessary precautions and support.

Bucket

Bucket Tooth Inspection and Replacement

Explains how to inspect bucket teeth for wear and damage, and provides instructions for replacement.

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