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FOREWORD CONTENTS 1 - 9 PHENOMENA THA T ARE NOT FAILURES TOWIN G THE MAC LIGHTWEIGHT TO SEVER E JOB CON DISCHARGED BAT OTHER 3 - 196 3 - 197 3 - 198 3 - 198 3 - 199 3 - 203 4 - 1 4 - 2 4 - 4 4 - 4 4 - 7 4 - 8 4 - 8 4 - 9 RMATION E EL, COOLANT, AND PERFORMING OIL CLINIC M MAINTENANCE OUTLINE OF SERVIC HANDLING OIL, FU EL, COOLANT, AN D PERFORMING OIL CLINIC ELECTRIC SYSTE WEAR EL, COOLANT, AND LUBRICANT RANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN E OIL E SPECIFICATIONS QUE LIST ARTS PARTS LIST EDULE HEDULE CHART TERVAL FOR HYDRAULIC BREAKER CEDURE S MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS) WEAR RECOMMENDED FU EL, COOLANT, A ND RECOMMENDED B KOMATSU GENUIN TIGHTENING TORQU E SPECIFICATION TIGHTENING TOR SAFETY C RITICAL P SAFET Y CRITICAL MAINTENANCE SCH MAINTENANCE SC MAINTENANCE IN TERVAL FOR HYDRAULIC BREAKER MAINTENANCE PRO INITIAL 1000 HOUR WHEN REQUIRED TARTING MAINTENANCE S MAINTENANCE S MAINTENANCE S MAINTENANCE S MAINTENANCE S MAINTENANCE S MAINTENANCE S MAINTENANCE CHECK BEFORE S EVERY 50 HOURS MAINTENANCE EVERY 250 HOUR S MAINTENANC EVERY 500 HOUR S MAINTENANC EVERY 1000 HOUR EVERY 2000 HOUR EVERY 4000 HOUR EVERY 5000 HOUR EVERY 8000 HOUR SPECIFICATIONS SPECIFICATIONS PTIONS IONS FOR SAFETY HEN SELECTING CTION MANUAL THOROUGHLY HEN REMOVING OR INSTALLING HEN USING RATIONS R ATTACHMENT ATTACHMENTS AND O GENERAL PRECAUT IONS FOR SAFETY PRECAUTIONS W HEN SELECTING READ T HE INSTRU CTION MANUAL THOROUGHLY PRECAUTIONS W PRECAUTIONS W HEN REMOVING OR INSTALLING BUCKET WITH HOOK HOOK CONDITION PROHIBITED OPE MACHINE R ATTACHMEN UIT MOVAL AND INSTALLATION HYDRAULIC CIRC ATTACHMENT RE FOR PRODUCTS OTHER THAN 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 - 6 - 11 12 12 13 14 15 15 17 18 18 19 47 48 49 52 67 73 80 83 85 1 2 1 2 2 2 2 2 3 3 3 4 4 8 13 (ONLY AFTER THE FIRST 1000 HOURS)