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Komatsu WA500-3H User Manual

Komatsu WA500-3H
18 pages
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10-1
WF450-3 / WF450T-3
Shop Manual
VEBM500100
l This shop manual may contain attachments and optional equipment that are not available in your area.
Please consult your local KOMATSU distributor for those items you may require. Materials and specifications
are subject to change without notice.
l WA500-3H mount the SA6D140E-3 engine.
For details of this engine, see the 140-3 Series Engine Shop Manual
© 2001
All Rights Reserved
Printed in Europe 10-01
SERIAL NUMBER WA500H20051 and up
WHEEL LOADER
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Komatsu WA500-3H Specifications

General IconGeneral
BrandKomatsu
ModelWA500-3H
CategoryCompact Loader
LanguageEnglish

Summary

Safety Guidelines and Precautions

Safety Notice

Proper service and repair is extremely important for the safe operation of your machine.

General Precautions

Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.

Preparations for Work

Before adding oil or making repairs, park the machine on hard, level ground, and block the wheels or tracks to prevent the machine from moving.

Work Precautions

Precautions During Work

When removing the oil filler cap, drain plug or hydraulic pressure measuring plugs, loosen them slowly to prevent the oil from spurting out.

Shop Manual Structure and Content

General Section

Lists general machine dimensions, performance specifications, component weights, and fuel, coolant, lubricant charts.

Structure and Function

Explains the structure and function of each component, serving as reference material for troubleshooting.

Testing, Adjusting and Troubleshooting

Explains checks and adjustments before and after repairs, including troubleshooting charts.

Disassembly and Assembly

Details the order and precautions for removing, installing, disassembling, or assembling components.

Maintenance Standard

Provides judgment standards for inspecting disassembled parts.

How to Read the Shop Manual

Manual Volumes

Shop manuals are divided into Chassis, Engine, Electrical, and Attachment volumes.

Distribution and Updating

Obtain the most up-to-date information from distributors for additions or amendments.

Filing Method

File pages in the correct order based on the page number on the bottom of the page.

Revised Edition Mark

An edition mark is recorded on pages when a manual is revised.

Revisions

Revised pages are listed between the title page and the SAFETY page.

Symbols

Symbols indicate important places for safety and quality, such as safety precautions or tightening torque.

Hoisting Instructions

Hoisting Heavy Parts

Heavy parts (25 kg or more) must be lifted with a hoist or crane.

Wire Ropes Selection

Use adequate wire ropes based on the weight of parts to be hoisted, referring to the allowable load table.

Hoisting Safety Techniques

Sling ropes from the hook's middle portion; use multiple ropes symmetrically for heavy loads.

Coating Materials

Adhesives and Sealants

Recommended adhesives and sealants, their part numbers, quantities, and applications.

Gasket Sealants

Recommended gasket sealants, their part numbers, quantities, and specific uses.

Additional Gasket Sealants

Further gasket sealants including features like resistance to water, oil, heat, and cold.

Lubricants and Greases

Molybdenum disulfide lubricants and greases for various applications, including heavy loads.

Standard Tightening Torque

Torque for Bolts and Nuts

Standard tightening torques for bolts and nuts based on thread diameter and width across flats.

Torque for Hose Nuts

Recommended tightening torques for hose nuts based on nominal number and thread diameter.

Torque for Split Flange Bolts

Tightening torques for split flange bolts based on thread diameter and width across flats.

Torque for Flared Nuts

Tightening torques for flared nuts, including a diagram of the sealing surface.

Electric Wire Code

Classification by Thickness

Details copper wire specifications, cable O.D., current rating, and applicable circuits.

Classification by Color and Code

Provides codes and colors for primary and auxiliary circuits.

Conversion Tables

Method of Using Conversion Table

Explains how to use the conversion table to convert figures, with examples.

Millimeters to Inches Conversion

Provides a table for converting millimeters to inches.

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