Komatsu WA800-1 Wheel Loader Manual (EN)

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Operation & Maintenance Manual SEAM042801 02 WA800-I WHEEL LOADER SERIAL NUMBERS wA80()-10()()1 and UP

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FOREWORD FOREWORD This 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. Please read this manual carefully BEFORE operating the machine. Please continue studying this manual until proper operation is completely reinforced into personal habit. This manual describes the basic techniques. Skill is performed as the operator or anyone get the correct knowledge and performance of the machine. Operation, inspection, and maintenance should be carefully carried out, and the safety must be given the first priority.

Safety precautions are in- dicated with A marks and technical precautions with * marks in this manual. The safety information contained in this manual is intended only to supplement safety codes, insurance requirements, local laws, rules and regulations. Some photographs and illustration pictures are different from your ma- chine as technical improvement is continuously reflected on it. Revision to up-to-date manual’s content is performed in later editions. This operation & maintenance manual may contain attachments and op- tional 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. ww -02595 -l-

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BREAKING IN YOUR NEW MACHINE BREAKING IN YOUR NEW MACHINE Each machine is carefully adjusted and tested before shipment. However, a new machine requires careful operation during the first 100 hours to break in the various parts. If a machine is subjected to unreasonably hard use at the initial operation stage, the potential of performance will prematurely deteriorate and the ser- vice life will be reduced. A new machine must be operated with care, partic- ularly with regard to the following items. After starting, let the engine idle for 5 minutes to allow proper engine warm-up prior to actual operation. Avoid operation with heavy loads or at high speeds.

Sudden starting or acceleration, unnecessarily abrupt braking and sharp turning should be avoided. l At the first 250 hours of * operation, the machine should be maintained in the following manner in addition to usual 250 hours service: I) Replacement of fuel filter car- * When replacing oil filter elements (cartridges), check their interiors for dirt and dust. If heavily collected, check for possible cause before starting operation. Hours of operation are indicated by the service meter. tridge and transmission oil filter element 2) Checking and adjustment of engine valve clearance For replacement procedure and details, see maintenance table in the maintenance section. -2- w-01239

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CONTENTS

CONTENTS OPERATION MAINTENANCE GENERAL LOCATIONS AND SPECIFICATIONS 4 PERIODIC MAINTENANCE .................... Bg INSTRUMENTS AND CONTROLS .............. 5 BLEEDING AIR FROM CIRCUIT .............. 70 USING ACCUMULATORS ..................... 38 SAFETY PARTS ......................... 73 REMOVAL AND INSTALLATION OF BUCKET .... 34 PERIODICAL REPLACEMENT OF OPERATING YOUR MACHINE .................. 45 OIL FILLER AND LEVEL GAUGE POSITIONS . 78 CHECK BEFORE STARTING .................... 3g MAINTENANCE TABLE .................... 74 ADJUSTMENT OF WORK EQUIPMENT ......... 54 EVERY 50 HOURS SERVICE ................ 7g TOWING.. ...................................

5g INITIAL 250 HOURS SERVICE .............. 83 HANDLING THE TIRES ......................... 56 EVERY 100 HOURS SERVICE. .............. 80 TRANSPORTATION ........................... 6 1 EVERY 250 HOURS SERVICE ............... 83 COLD WEATHER OPERATION ................. 62 EVERY 500 HOURS SERVICE ............... 87 EVERY 1000 HOURS SERVICE ............. g0 EVERY 2000 HOURS SERVICE ............. 96 EVERY 4000 HOURS SERVICE ............. 104 WHEN REQUIRED ......................... 105 ADJUSTMENT .............................. 1 1 B TROUBLE SHOOTING GUIDE .................. 120 SERVICE METER ............................. 124 MACHtNE AND ENGINE SERIAL NUMBERS .....

125 FUEL, COOLANT AND LUBRICANTS ........... 126 w-04273 -3-

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