CONTENTS FOREWORD LOADING AND UNLOADING WITH TRAILER ...................................................................................... 3-110 LIFTING MACHINE................................................................................................................................. 3-116 COLD WEATHER OPERATION ...................................................................................................................... 3-118 COLD WEATHER OPERATION INFORMATION................................................................................... 3-118 AFTER DAILY WORK COMPLETION....................................................................................................
3-120 AFTER COLD WEATHER SEASON ...................................................................................................... 3-121 LONG TERM STORAGE .................................................................................................................................. 3-122 BEFORE STORAGE............................................................................................................................... 3-122 DURING STORAGE ...............................................................................................................................
3-122 AFTER STORAGE.................................................................................................................................. 3-123 TROUBLESHOOTING ...................................................................................................................................... 3-124 AFTER RUNNING OUT OF FUEL.......................................................................................................... 3-124 PHENOMENA THAT ARE NOT FAILURES...........................................................................................
3-124 TOWING THE MACHINE ....................................................................................................................... 3-127 LIGHTWEIGHT TOWING HOOK............................................................................................................ 3-127 PRECAUTIONS ON PARTICULAR JOBSITES ..................................................................................... 3-127 DISCHARGED BATTERY ......................................................................................................................
3-128 OTHER TROUBLE ................................................................................................................................. 3-133 MAINTENANCE MAINTENANCE INFORMATION ......................................................................................................................... 4-2 OUTLINE OF SERVICE ........................................................................................................................................ 4-5 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC......................................................
4-5 ELECTRIC SYSTEM MAINTENANCE ....................................................................................................... 4-9 WEAR PARTS LIST ........................................................................................................................................... 4-10 RECOMMENDED FUEL, COOLANT, AND LUBRICANT ................................................................................. 4-11 USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE............. 4-12 RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL ..........................................................................
4-13 TIGHTENING TORQUE SPECIFICATIONS ...................................................................................................... 4-14 TIGHTENING TORQUE LIST................................................................................................................... 4-14 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS .......................................................................... 4-15 SAFETY CRITICAL PARTS......................................................................................................................
4-15 MAINTENANCE SCHEDULE ............................................................................................................................. 4-16 MAINTENANCE SCHEDULE CHART...................................................................................................... 4-16 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................................................... 4-18 MAINTENANCE PROCEDURE .......................................................................................................................... 4-19 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS) ...................................
4-19 WHEN REQUIRED ................................................................................................................................... 4-20 1-12