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FOREWORD CONTENTS 2 4 4 8 9 9 10 11 12 13 13 15 16 17 17 20 20 21 37 38 39 53 60 71 78 81 82 1 2 1 2 2 3 4 4 7 7 8 9 11 11 1 1 - 9 GUIDES TO MAINTENA NCE OUTLINE OF SERVICE HANDLIN G OIL, FUEL , COOLANT, AND PERFORMING OIL CLINIC OUTLINE OF ELECTR IC SYSTEM WEAR PART WEAR PA RECOMMEN DED FUEL, COOLANT, AND USE OF F UEL, COOL ANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE RECOMMENDED BRA NDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE STANDARD TIGHTENIN G TORQUES FO R BOLTS AND NUTS TORQUE PERIODIC R EPLACEME NT OF SAFETY CRITICAL PARTS SAFETY C RITICAL PA MAINTENAN CE SCHED ULE CHART MAINTEN ANCE SCHEDULE CHAR SERVICE PR OCEDURE INITIAL 25 0 HOURS S ERVICE (ONLY A FTER THE FIRS T 250 HOURS) WHEN RE QUIRED CHECK B EFORE STA RTING EVERY 50 HOURS SE RVICE EVERY 25 0 HOURS S EVERY 50 0 HOURS S EVERY 10 00 HOURS SERVICE EVERY 20 00 HOURS SERVICE EVERY 40 00 HOURS SERVICE EVERY 60 00 HOURS SERVICE EVERY 80 00 HOURS SERVICE SPECIFICATIO SPECIFICAT ATTACHMENT S, OPTIONS HANDLING A UTOMATIC RETARDER , ACCELERATOR CONTROL(ARAC) EXPLANA TION OF CO MPONENTS METHOD OF OPERAT USE OF REA R VIEW MO NITOR NAME AN D FUNCTON OF EACH P ART OF REAR VIEW MONITOR SETTING OF REAR V IEW MONITO CAUTION S WHEN US ING REAR V IEW MONITOR HANDLING D UMPING C OUNTER HANDLING B ATTERY DI SCONNECTOR SWITC HANDLING MACHINES EQUIPPED W ITH KOMTRAX BASIC PR ECAUTION INDEX 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 5 - 5 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 6 - 7 -