CONTENTS SEVERE JOB CONDITION .................................................................................................................... 3-107 DISCHARGED BATTERY ...................................................................................................................... 3-108 Battery Removal and Installation................................................................................................... 3-109 Battery Charges.............................................................................................................................
3-110 Starting Engine with Booster Cables ............................................................................................. 3-111 OTHER TROUBLE ................................................................................................................................. 3-113 Electrical System ........................................................................................................................... 3-113 Chassis..........................................................................................................................................
3-114 Engine............................................................................................................................................ 3-115 MAINTENANCE MAINTENANCE INFORMATION ......................................................................................................................... 4-2 LUBRICANTS, COOLANT AND FILTERS .......................................................................................................... 4-5 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC .....................................................
4-5 Oil ...................................................................................................................................................... 4-5 Fuel.................................................................................................................................................... 4-5 Cooling System Coolant .................................................................................................................... 4-6 Grease...............................................................................................................................................
4-6 Carrying Out KOWA (Komatsu Oil Wear Analysis) ........................................................................... 4-7 Oil and Fuel Storage.......................................................................................................................... 4-8 Filters................................................................................................................................................. 4-8 ELECTRIC SYSTEM MAINTENANCE .......................................................................................................
4-8 HANDLING HYDRAULIC SYSTEM............................................................................................................ 4-9 WEAR PARTS .................................................................................................................................................... 4-10 WEAR PARTS LIST.................................................................................................................................. 4-10 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS ...............................................................................
4-11 TIGHTENING TORQUE SPECIFICATIONS ...................................................................................................... 4-15 TIGHTENING TORQUE LIST................................................................................................................... 4-15 SAFETY CRITICAL PARTS ............................................................................................................................... 4-17 SAFETY CRITICAL PARTS LIST.............................................................................................................
4-17 MAINTENANCE SCHEDULE ............................................................................................................................. 4-18 MAINTENANCE SCHEDULE CHART...................................................................................................... 4-18 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................................................... 4-19 MAINTENANCE PROCEDURE ..........................................................................................................................
4-20 WHEN REQUIRED................................................................................................................................... 4-20 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT......................................................... 4-20 CLEAN INSIDE OF COOLING SYSTEM ........................................................................................ 4-22 CHECK LEVEL OF BATTERY ELECTROLYTE ............................................................................. 4-25 CLEAN WATER SEPARATOR ELEMENT......................................................................................
4-27 DRAIN WATER AND SEDIMENT FROM FUEL TANK................................................................... 4-28 CHECK AND TIGHTEN TRACK SHOE BOLTS.............................................................................. 4-28 1-1 3