This Manual includes two parts as showed below:
1. Komatsu WA420-1LC Wheel Loader Service Repair Manual
2. Komatsu WA420-1LC Wheel Loader Operation & Maintenance Manual

This manual contains deep information about maintaining, assembly, disassembly and servicing your Komatsu WA420-1LC 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:
WA420-1LC – S/N: A25001 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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10 ENGINE
12 TESTING AND ADJUSTING
13 DISASSEMBLY AND ASSEMBLY
20 POWER TRAIN
21 STRUCTURE AND FUNCTION
22 TESTING AND ADJUSTING
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD
40 STEERING SYSTEM
41 STRUCTURE AND FUNCTION
42 TESTING AND ADJUSTING
43 DISASSEMBLY AND ASSEMBLY
44 MAINTENANCE STANDARD
50 BRAKE AND AIR SYSTEM
51 STRUCTURE AND FUNCTION
52 TESTING AND ADJUSTING
53 DISASSEMBLY AND ASSEMBLY
54 MAINTENANCE STANDARD
60 WORK EQUIPMENT SYSTEM
61 STRUCTURE AND FUNCTION
62 TESTING AND ADJUSTING
63 DISASSEMBLY AND ASSEMBLY
64 MAINTENANCE STANDARD
80 ELECTRIC AND ELECTRONIC SYSTEM
81 STRUCTURE AND FUNCTION
82 TESTING AND ADJUSTING
83 DISASSEMBLY AND ASSEMBLY
90 OTHER
93 DISASSEMBLY AND ASSEMBLY
97 GEAR PUMP
99 METRIC CONVERSIONS

OPERATION & MAINTENANCE MANUAL CONTAINS:
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OPERATION
GENERAL LOCATIONS AND SPECIFICATIONS
INSTRUMENTS AND CONTROLS
CHECK BEFORE STARTING
OPERATING YOUR MACHINE
ADJUSTMENT OF WORK EQUIPMENT
HANDLING THE TIRES
TOWING
COLD WEATHER OPERATION
MAINTENANCE
PERIODIC MAINTENANCE
BLEEDING AIR FROM CIRCUIT
PERIODICAL PART REPLACEMENT
MAINTENANCE TABLE
OIL FILLER AND LEVEL GAUGE POSITIONS
CHECK BEFORE STARTING
EVERY 50 HOURS SERVICE
EVERY 100 HOURS SERVICE
INITIAL 250 HOURS SERIVICE
EVERY 250 HOURS SERVICE
EVERY 500 HOURS SERVICE
EVERY 1000 HOURS SERVICE
EVERY 2000 HOURS SERVICE
WHEN REQUIRED
ADJUSTMENT
TROUBLESHOOTING GUIDE
SERVICE METER
MACHINE AND ENGINE SERIAL NUMBERS
FUEL, COOLANT AND LUBRICANTS
MEMORANDA
SAFETY AND OPERATION
SAFETY HINTS
PRECAUTIONS FOR MAINTENANCE
BUCKET OPERATION
OPERATING THE CAB HEATER
METHOD OF OPERATION
OPERATING THE AIR CONDITIONER-IF EQUIPPED
LOCKING CAP
HANDLING OF BATTERY
TRANSPORTATION
STORAGE
COOLANT AND LUBRICANTS
MEMORANDA

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** Model Specification: Komatsu WA420-1LC 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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This QUALITY manual is 100 percents COMPLETE and INTACT,
no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed.

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