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Komatsu WA320-6 User Manual

Komatsu WA320-6
51 pages
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August 2011 Copyright 2011 Komatsu
Printed in USA DataKom Publishing Division
00-1
b
CEBM022801
Shop
Manual
WA320-6
WHEEL LOADER
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
add 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, periodic revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
SERIAL NUMBERS
WA320-6 A35001
and UP
ENGINE
SAA6D107E-1

Table of Contents

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Komatsu WA320-6 Specifications

General IconGeneral
BrandKomatsu
ModelWA320-6
CategoryConstruction Equipment
LanguageEnglish

Summary

Safety

Safety Notice

Provides important safety notices for machine operation and maintenance.

IMPORTANT SAFETY NOTICE

Crucial safety information for proper service and repair operations.

General Precautions

General safety guidelines and precautions for operating the machine.

Safety Points

Lists key safety checks and precautions for safe work practices.

Safety (Continued)

Preparations for Work

Steps to take before starting any repair or maintenance work.

Precautions During Work

Safety guidelines to follow while performing repair and maintenance tasks.

Safety (Continued)

Seat Belt Inspection

Instructions for inspecting the seat belt system for wear and damage.

General

Manual Overview and Sections

Introduction, structure, and overview of manual sections.

Technical Standards and Procedures

Structure, function, standard values, testing, troubleshooting, and diagrams.

How to Read the Shop Manual

Manual Structure and Usage

Guide to volumes, updates, filing, symbols, and revisions.

Hoisting Instructions

Hoisting and Slinging Safety

Checks for hoisting, signs, and precautions for sling work.

Hoisting Instructions (Continued)

Crane Operation Precautions

Safety for overhead hoist and mobile cranes.

Hoisting Instructions (Continued)

Selecting Wire Ropes

Guidance on choosing appropriate wire ropes based on load weight.

Air Conditioner Circuits

Handling Hoses and AC Components

Precautions for handling hoses, tubes, and refrigerant in AC systems.

Maintenance Standard Terms

Part Measurement and Fitment Standards

Definitions of size, tolerance, clearance, and interference for parts.

Maintenance Standard Terms (Continued)

Component Wear and Limit Standards

Defines repair limits, allowable values, clearance, and interference limits.

Handling Electric and Hydraulic Equipment

Handling Electric Equipment

Guidance for handling wiring harnesses, connectors, and electric circuits.

Handling Electric and Hydraulic Equipment (Continued)

Connector Handling Procedures

Disconnecting, plugging, and drying connectors and wiring harnesses.

Handling Electric and Hydraulic Equipment (Continued)

Connector Removal and Installation

Removing from clips, plugging connectors, and visual checks.

Handling Electric and Hydraulic Equipment (Continued)

Secure Connector Fixing and Heavy Duty Types

Fixing connectors securely and handling heavy duty connectors.

Handling Electric and Hydraulic Equipment (Continued)

Wiring Harness Drying Procedures

Steps for drying wiring harnesses when they get wet.

Handling Electric and Hydraulic Equipment (Continued)

Controller and Electric Circuit Troubleshooting

Handling the controller and troubleshooting electric circuits.

Handling Electric and Hydraulic Equipment (Continued)

Handling Hydraulic Equipment

Precautions for operating environment, disassembly, sealing, refilling, and oil change.

Handling Electric and Hydraulic Equipment (Continued)

Hydraulic Operations and Engine Connectors

Flushing, cleaning hydraulic circuits, and handling engine connectors.

Handling Electric and Hydraulic Equipment (Continued)

Engine Connector Types: Pull and Push Lock

Details on pull lock and push lock type engine connectors.

Handling Electric and Hydraulic Equipment (Continued)

Engine Connector Types: Pull Lock Continued

Further details on pull lock type engine connectors.

Handling Electric and Hydraulic Equipment (Continued)

Engine Connector Types: Turn-housing

Information on turn-housing type engine connectors.

Precautions for Operations

Removal Work Precautions

Precautions for removing units, hoses, and piping during disassembly.

Precautions for Operations (Continued)

Installation Work Precautions

Precautions for installing components, hoses, and cylinders.

Precautions for Operations (Continued)

Completing Operations and Checks

Refilling, checking cylinder heads, piping, mufflers, and function.

Push-Pull Coupler

Type 1: Disconnection and Connection

Procedures for disconnecting and connecting Type 1 couplers.

Push-Pull Coupler (Continued)

Type 2: Disconnection and Connection

Procedures for disconnecting and connecting Type 2 couplers.

Push-Pull Coupler (Continued)

Type 3: Disconnection and Connection

Procedures for disconnecting and connecting Type 3 couplers.

Coating Materials

Adhesives and Sealants

Lists recommended adhesives and gasket sealants.

Coating Materials (Continued)

Sealants, Lubricants, and Grease

More sealants, molybdenum lubricant, and grease types.

Standard Tightening Torque

Torque for Bolts and Nuts

Standard tightening torques for metric bolts and nuts.

Standard Tightening Torque (Continued)

Torque for Split Flange and O-Ring Joints

Tightening torques for split flange bolts and O-ring boss piping joints.

Standard Tightening Torque (Continued)

Torque for O-Ring Plugs and Hoses

Tightening torques for O-ring plugs and hose connections.

Standard Tightening Torque (Continued)

Torque for Face Seal Joints and Engine Bolts

Torques for face seal joints and engine bolts/nuts.

Standard Tightening Torque (Continued)

Torque for Engine Eye Joints and Taper Screws

Torques for engine eye joints and taper screws.

Conversion Tables

Using Conversion Tables

Instructions on how to use the measurement conversion tables.

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