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Komatsu WA470-5 User Manual

Komatsu WA470-5
51 pages
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SEBM024414
MACHINE MODEL SERIAL NUMBER
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.
WA470-5, WA480-5 mounts the SAA6D125E-3 engine.
For details of the engine, see the 125-3 Series Engine Shop Manual.
WA470-5 70001 and up
00-1
(14)
© 2017
All Rights Reserved
Printed in Japan 10-17 (01)
WA480-5 80001 and up
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Komatsu WA470-5 Specifications

General IconGeneral
BrandKomatsu
ModelWA470-5
CategoryCompact Loader
LanguageEnglish

Summary

Safety Precautions and Guidelines

Important Safety Notice

Provides crucial safety information and warnings for machine operation and repair.

General Precautions for Safe Operation

Outlines general safety measures and practices to avoid accidents during operation.

Preparations for Work

Details essential steps and precautions before commencing any repair or maintenance work.

Precautions During Work

Lists specific safety guidelines to follow while performing various maintenance and repair tasks.

Foreword and Manual Structure

Manual Introduction and Structure

Introduces manual purpose, structure, and chapter details like S&F, T&A, D&A, Maintenance, Others.

Notice on Specifications

States that specifications are subject to change without notice.

How to Read the Shop Manual

Manual Volumes and Distribution

Explains manual volumes, distribution, updating, and filing methods.

Edition Marks and Revision Information

Explains edition marks, revisions, and lists of revised pages.

Symbols Used in Manual

Explains symbols used in the manual for safety, caution, weight, and coating.

Hoisting Instructions and Wire Ropes

Hoisting Heavy Parts

Emphasizes lifting heavy parts (25 kg or more) with hoists and checking for proper removal.

Wire Rope Usage Guidelines

Details the use of adequate wire ropes based on weight and proper sling methods to prevent accidents.

Push-Pull Type Coupler Procedures

Disconnection of Couplers

Provides steps for safely disconnecting hydraulic hoses, including releasing pressure.

Connection of Couplers

Outlines the procedure for connecting hydraulic hoses, ensuring proper alignment and connection.

Type 2 Coupler Disassembly

Details the disassembly steps for push-pull couplers of Type 2.

Type 2 Coupler Connection

Details the connection steps for push-pull couplers of Type 2.

Type 3 Coupler Disassembly

Details the disassembly steps for push-pull couplers of Type 3.

Type 3 Coupler Connection

Details the connection steps for push-pull couplers of Type 3.

Coating Materials List

Adhesives and Gasket Sealants

Lists various adhesive and gasket sealant products with their Komatsu codes and applications.

Lubricants and Greases

Lists lubricants and greases including molybdenum disulphide and general purpose types.

Primers, Adhesives, and Sealants

Lists primers, adhesives for glass, and caulking materials with usage limits.

Standard Tightening Torque Specifications

Torque Table for Bolts and Nuts

Provides standard tightening torques for metric nuts and bolts when using a torque wrench.

Torque Table for Flared Nuts

Lists specific tightening torques for flared nuts.

Torque for Split Flange Bolts

Specifies tightening torques for split flange bolts.

Torque for O-Ring Boss Piping Joints

Lists tightening torques for O-ring boss piping joints.

Torque for O-Ring Boss Plugs

Provides tightening torques for O-ring boss plugs.

Engine Series Torque Specifications

Details tightening torques for bolts, nuts, eye joints, and tapered screws for specific engine series.

Torque Table for Hoses

Lists tightening torques for hoses of taper seal and face seal types.

Electric Wire Code Information

Classification by Wire Thickness

Classifies copper wires by nominal number, strands, diameter, and current rating.

Classification by Color and Code

Classifies wires by color and code according to circuit type.

Conversion Tables and Usage

Method of Use and Examples

Explains how to use the conversion table with examples for millimeters to inches.

Unit Conversion Tables

Provides tables for converting Millimeters to Inches, Kilograms to Pounds, Liters to Gallons, and kgm to ft.lb.

More Unit Conversions

Includes tables for kg/cm² to lb/in² and Temperature (Fahrenheit/Centigrade) conversions.

Units of Measurement

Units Used in Manual

Defines the measurement units used in the manual, primarily SI units with gravitational system in parentheses.

Chapter 01: General Information

General Assembly Drawing

Shows a diagram of the machine's overall assembly with key dimensions labeled.

Machine Specifications

Lists detailed technical specifications for the machine models.

Weight Table of Components

Provides a table listing the weights of various machine components.

Fuel, Coolant, and Lubricant Table

Details the recommended lubricants and coolant for different parts and ambient temperatures.

Radiator and Oil Cooler Specifications

Radiator and Cooler Specifications

Lists specifications for radiator, oil cooler, aftercooler, and torque converter oil cooler.

Engine Mount and Transmission Mount

Mount Bracket Check Item

Details the check item for transmission mount bracket clearance and adjustment bolt.

Power Train System Overview

Power Train Outline

Explains the power flow from the engine through the torque converter and transmission to the wheels.

Power Train System Diagrams

Diagram Without Lock-up Clutch

Illustrates the power train system diagram without the torque converter lock-up clutch.

Diagram With Lock-up Clutch

Illustrates the power train system diagram with the torque converter lock-up clutch.

Power Train System Outline

Lists components and explains the power flow and operation of the power train system.

Drive Shaft Information

Drive Shaft Outline

Explains how power is transmitted through drive shafts and their design for handling changes in angle and length.

Torque Converter and Transmission Piping

Piping System Components

Identifies the components involved in the torque converter and transmission piping system.

Torque Converter Details

Torque Converter Without Lock-up Clutch

Describes the torque converter without the lock-up clutch feature.

Torque Converter Specifications

Lists specifications for the torque converter, including type and stall torque ratio.

Torque Converter Internal Components

Illustrates the internal parts of the torque converter, such as the flywheel, turbine, and stator.

Torque Converter Check Items and Limits

Details checks for pilot diameter, PTO gear seal ring, stator shaft seal ring, and backlash, with repair limits.

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