Komatsu WA420-1LC Wheel Loader Operation Service Repair Workshop Manual

This is the COMPLETE Service and Repair Manual for the Komatsu WA420-1LC Wheel Loader Operation Service Repair Workshop Manual. It covers every single detail.

THIS MANUAL CONSIST OF THE FOLOWING TWO SEPARATE PORTIONS: 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. 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, 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 and maintenance personnel realize peak performance through effective, economical and safe machine operation and maintenance. SERVICE REPAIR MANUAL CONTENTS: ========= 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 CONTENTS: 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 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 ============= **

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