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Komatsu WA40-3 User Manual

Komatsu WA40-3
195 pages
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WA20 -2,WA30 -5
WA40 -3,WA50 -3
WHEEL LOADER
SERIAL NUMBERS and up
NOTICE
Komatsu has Operation & Maintenance Manuals written in
some other languages. If a foreign language manual is
necessary, contact your local distributor for availability.
Unsafe use of this machine may cause serious injury
or death. Operators and maintenance personnel
must read this manual before operating or maintain-
ing 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.
WA20 - 11270
WA30 - 18970
WA40 - 13530
WA50 - 20642
SEAM010700

Table of Contents

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Komatsu WA40-3 Specifications

General IconGeneral
BrandKomatsu
ModelWA40-3
CategoryTractor
LanguageEnglish

Summary

Foreword and Introduction

Safety Information and Signal Words

Defines DANGER, WARNING, CAUTION, and NOTICE signal words for safety messages.

General Precautions

Safety Rules and Personal Protective Equipment

Outlines essential safety rules, PPE, and safe operating practices.

Machine Safety Features and Modifications

Covers safety features like lock levers, mounting/dismounting, and unauthorized modifications.

Hazard Prevention: Fire, Asbestos, Crushing

Details fire prevention, high temperature handling, asbestos safety, and crushing hazards.

Precautions During Operation

Before Starting Engine: Site and System Checks

Covers worksite safety, fire prevention, and pre-start checks in the operator's cab.

Machine Operation Safety

Details safe engine starting, reverse travel checks, and general machine operation.

Traveling and Slope Operation Safety

Provides guidance on safe travel, including on slopes and rough terrain.

Hazardous Environment Safety

Addresses safety near high-voltage cables, ensuring visibility, and operating precautions.

Parking Machine Safely

Details the correct procedure for parking the machine securely.

Battery and Towing Safety

Provides safety guidelines for battery handling, jump-starting, and towing.

Precautions for Maintenance

Pre-Maintenance Safety Procedures

Covers warning tags, proper tools, and general maintenance safety.

Maintenance Safety During Operation

Details safety for periodic parts replacement, stopping the engine, and securing components.

Fluid Handling and Fire Prevention

Covers safety for adding fuel/oil, checking coolant, lighting, and fire prevention.

Maintenance Practices: Personnel, Attachments, Cleaning

Addresses personnel qualifications, attachment handling, work under machine, and cleanliness.

Component-Specific Maintenance Safety

Covers safety for battery, high-pressure hoses, and oil during maintenance.

Maintenance at Temperature/Pressure Extremes

Details safety for high temp/pressure maintenance, rotating parts, raised chassis, and tires.

Safety Label Placement Guide

Pre-Operation and Safety Lever Label Precautions

Highlights safety precautions related to starting, safety locks, and reverse travel.

Specific Hazard Label Precautions

Details safety for articulated areas, safety bars, hot coolant, and battery cables.

Operation Procedures

12.1 Pre-Start Engine Checks

Covers walk-around inspection, pilot lamps, coolant, fuel, and oil checks.

12.1.1 Walk-Around Check Details

Detailed inspection of work equipment, fluids, tires, access points, and ROPS.

12.1.2 Pre-Start Checks

Verifies pilot lamps, coolant level, fuel level, and engine oil level.

Brake System Checks

Checks parking brake buzzer, pedal stroke, release lever, and steering play.

Electric Wiring Inspection

Checking electrical wiring for damage, shorts, and loose connections.

12.1.4 Operations and Checks Before Starting Engine

Ensures parking brake, directional lever lock, work equipment lock, and pilot lamps are correctly set.

12.2 Starting Engine

Provides step-by-step guides for normal and cold weather engine starting.

12.3 Operations and Checks After Starting Engine

Checks engine oil pressure and performs engine warm-up before commencing work.

12.4 Moving Machine Off

Ensures safety lamps, locks, bucket position, and parking brake are set before moving.

12.7 Stopping Machine Safely

Provides steps for stopping the machine, applying brakes, and locking controls.

12.9 Work Possible Using Wheel Loader

Details safe and efficient digging, leveling, pushing, and loading operations.

12.10 Precautions for Operation

Covers water depth limits, brake failure response, slope operations, and driving precautions.

12.12 Parking Machine Safely

Steps to stop the machine, apply brakes, and lock controls and levers.

12.14 Stopping Engine Safely

Guides on cooling down the engine and safely stopping it, plus key removal.

12.17 Handling the Tires

Provides safety guidelines for tire handling, pressure, and replacement.

Transportation Procedures

13.1 Loading and Unloading Procedures

Safe practices for loading and unloading the machine onto trailers.

Cold Weather Operation

Long-Term Storage Procedures

Troubleshooting Guides

16.1 Machine Out of Fuel

Troubleshooting steps for running out of fuel, including air bleeding.

16.2 Towing the Machine

Safety precautions and procedures for towing a broken-down machine.

Maintenance Overview

Periodic Replacement of Safety Critical Parts

Maintenance Schedule Chart

Service Procedure

24.7 Every 1000 Hours Service

Details maintenance tasks required every 1000 operating hours.

Seat Belt Safety

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