Komatsu WA70-5 User Manual

Operation & Maintenance
Manual
WA70-5
WHEEL LOADER
SERIAL NUMBERS H50051 and up
VEAM320100
WARNING
Unsafe use of this machine may cause serious injury or
death. Operators and maintenance personnel must read
this manual before operating or maintaining this
machine. This manual should be kept near the machine
for reference and periodically reviewed by all personnel
who will come into contact with it.
NOTICE
Komatsu has had the operating and maintenance in-
structions translated into all the languages of the mem-
ber states in the European Union. Should you wish to
have a version of the operating instructions in another
language, please don’t hesitate to ask at your local
dealer’s.
© 2004 Komatsu Hanomag GmbH
All Rights Reserved
Printed in Europe 10-04

Komatsu WA70-5 Specifications

General

Brand	Komatsu
Model	WA70-5
Category	Front End Loaders
Language	English

Summary

1. Introduction

1.1. Foreword

Provides guidance on safe operation and maintenance, listing manual contents.

EU Directives

Details CE marking requirements and applied European standards for machine conformity.

1.2. Safety Information

Explains safety instructions, warnings, and symbols used in the manual.

1.3. Introduction

Further introduction to the machine, covering intended use and breaking-in procedures.

1.4. Location of Plates

Identifies the locations of various machine identification and serial number plates.

2. Safety

2.1. General Safety Measures

Covers essential safety instructions, devices, clothing, and machine modifications.

2.2. Safety Precautions During Operation

Details safety measures for workplace, driver's cab, and machine operation.

2.3. Precautions for Maintenance

Outlines safety procedures and precautions before, during, and after maintenance.

2.4. Safety Labels on the Machine

Shows positions and order numbers of all safety labels on the machine.

3. Operation

3.1. General View

Provides an overview of the machine and its controls and indicators.

3.2. Description of Individual Elements

Details individual components like the instrument panel, switches, and control levers.

3.3. Operation

Covers pre-start checks, engine starting, driving, and work equipment operation.

4. Troubleshooting

4.1. Towing the Machine

Provides instructions and precautions for towing the machine safely.

4.2. Starting the Engine with a Booster Cable

Explains the procedure and safety precautions for jump-starting the engine.

4.3. For Insufficient Braking Effect

Guides on checking service and parking brake functions for insufficient effect.

4.4. Emergency Steering Properties

Describes steering behavior when the engine is not running.

4.5. Emergency Lowering

Details the procedure for lowering the work attachment in an emergency.

4.6. Other Troubles

Lists common faults and remedies for electrical, engine, hydraulic, and brake systems.

5. Maintenance

5.1. Maintenance Guide

Provides general guidelines and safety precautions for performing maintenance work.

5.2. Maintenance Basics

Covers oil, fuel, coolant specifications, electrical system, and wearing parts.

5.3. Lubricants, Fuels and Filling Capacities

Lists recommended lubricants, fuels, and their filling capacities for various machine systems.

5.4. Tools and Standard Tightening Torques

Details recommended tools and standard torque values for bolts and nuts.

5.5. Periodical Replacement of Safety-Critical Parts

Specifies safety-related parts requiring periodic replacement for safe operation.

5.6. Maintenance Schedule Chart

Provides a schedule for all maintenance operations based on operating hours.

5.7. Service Procedure

Details specific maintenance tasks and procedures for various intervals.

6. Technical Data

6.1. Technical Data

Presents performance specifications, engine details, and dimensions of the machine.

6.2. Noise Emission Levels

Indicates the machine's noise emission levels according to ISO and EC directives.

6.3. Vibration Level

Specifies vibration levels transmitted from the operator's seat based on ISO standards.

6.4. Limit Values for Slopes

Defines the maximum allowable slope angles for safe machine operation.

7. Special Equipment and Attachments

7.1. E.C.S.S-electronics

Details the structure, function, operation, and precautions for the E.C.S.S. system.