This Manual includes two parts as showed below:
1. Komatsu WA120-3MC Wheel Loader Service Repair Manual
2. Komatsu WA120-3MC Wheel Loader Operation & Maintenance Manual

This manual contains deep information about maintaining, assembly, disassembly and servicing your Komatsu WA120-3MC Wheel Loader. it also help you realize peak performance through effective, economical and safe machine operation and maintenance. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$

MACHINE MODEL SERIAL NUMBERS
WA120-3MC – S/N: A31001 and UP

The service repair manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.

The operation & maintenance manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It Will Help The Operator or anyone Realize Peak Performance Through Effective, economical and safe machine operation and maintenance.

SERVICE REPAIR MANUAL CONTAINS:
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FOREWORD
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING, ADJUSTING AND TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHER

OPERATION & MAINTENANCE MANUAL CONTAINS:
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INTRODUCTION
FOREWORD
SAFETY INFORMATION
INTRODUCTION
LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
CONTENTS
SAFETY
GENERAL PRECAUTIONS
PRECAUTIONS DURING OPERATION
PRECAUTIONS FOR MAINTENANCE
POSITION FOR ATTACHING SAFETY LABELS
OPERATION
GENERAL VIEW
EXPLANATION OF COMPONENTS
MACHINE AND ENGINE CHECKS
STARTING THE ENGINE
OPERATING THE MACHINE
TRANSPORTING THE MACHINE
TYPICAL WORK OPERATIONS
COLD WEATHER OPERATIONS
LONG-TERM STORAGE
TROUBLESHOOTING
OTHER TROUBLE
MAINTENANCE
GUIDES TO MAINTENANCE
OUTLINES OF SERVICE
WEAR PARTS LIST
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
MAINTENANCE SCHEDULE CHART
SERVICE PROCEDURES
SPECIFICATIONS
WA120-3MC Specifications
OPTIONS, ATTACHMENTS
AVAILABLE ATTACHMENTS
BUCKETS AND TIRES SELECTION
AIR CONDITIONING
ECSS (Electronically-Controlled Suspension System)
RADIO

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** Model Specification: Komatsu WA120-3MC Wheel Loader
** Language: English
** File Format: PDF
** Requirements: Adobe PDF Reader & WinZip
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…

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