Komatsu 980E-4 User Manual

CEBM031601
Shop
Manual
-4
DUMP TRUCK
SERIAL NUMBERS 980E-4 A40052 and up
ENGINE 18V170
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to
make changes or improvements at any time without incurring any obligation to install such changes on products
sold previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2017 Komatsu
Printed in U.S.A.
Komatsu America Corp.
October 2017

Komatsu 980E-4 Specifications

General

Brand	Komatsu
Model	980E-4
Category	Trucks
Language	English

Summary

00 Index and Foreword

Index

Lists manual contents, table of contents, safety, and basic information for reference.

Foreword, Safety and General Information

Covers introductory notes, manual reading guide, general safety rules, and operational precautions.

Composition of Shop Manual

Explains the structure of the shop manual and its various sections.

01 Specification

Specification and Technical Data

Provides detailed technical specifications and data for the machine.

Weight Table

Lists the weight of various components and the overall machine.

10 Structure, Function and Maintenance Standard

Steering Circuit

Details the structure, function, and maintenance standards for the steering system.

Hoist Circuit

Explains the structure, function, and maintenance standards of the hydraulic hoist circuit.

20 Standard Value Table

Standard Service Value Table

Provides standard values and judgment criteria for testing, adjusting, and troubleshooting.

30 Testing and Adjusting

Steering, Brake Cooling and Hoist Hydraulic System

Covers testing and adjusting procedures for hydraulic systems.

Brake System

Details testing and adjusting procedures specific to the brake system.

Accumulators and Suspensions

Explains testing and adjusting procedures for accumulators and suspension systems.

40 Troubleshooting

Fuse, Diode and Relay Locations

Identifies the location of fuses, diodes, and relays for troubleshooting.

AC Drive System Fault Codes

Lists and explains fault codes related to the AC drive system for troubleshooting.

Troubleshooting by Fault Code, Part 1

Detailed troubleshooting steps for specific fault codes, Part 1.

50 Disassembly and Assembly

Service Tools

Lists and describes special tools required for disassembly and assembly.

Wheels, Spindles and Rear Axle

Procedures for disassembly and assembly of wheels, spindles, and rear axle.

Brake System

Details disassembly and assembly procedures for the brake system.

90 Diagrams and Drawings

Hydraulic Circuit Diagrams

Presents circuit diagrams for the hydraulic systems.

Electrical Circuit Diagrams

Provides circuit diagrams for the electrical systems.