CONTENTS PROPER SELECTION ............................................................................................................................... 4-9 TIGHTENING TORQUE SPECIFICATIONS ...................................................................................................... 4-13 TIGHTENING TORQUE LIST................................................................................................................... 4-13 SAFETY CRITICAL PARTS ...............................................................................................................................
4-14 SAFETY CRITICAL PARTS LIST ............................................................................................................. 4-14 MAINTENANCE SCHEDULE ............................................................................................................................. 4-15 MAINTENANCE SCHEDULE CHART...................................................................................................... 4-15 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................................................... 4-17 MAINTENANCE PROCEDURE ..........................................................................................................................
4-18 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS) ................................... 4-18 INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS) ............................... 4-18 WHEN REQUIRED ................................................................................................................................... 4-19 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT......................................................... 4-19 CLEAN INSIDE OF COOLING SYSTEM ........................................................................................
4-23 CHECK AND TIGHTEN TRACK SHOE BOLTS.............................................................................. 4-25 CHECK AND ADJUST TRACK TENSION....................................................................................... 4-26 CHECK ELECTRICAL INTAKE AIR HEATER ................................................................................ 4-28 REPLACE BUCKET TEETH (VERTICAL PIN TYPE) ..................................................................... 4-29 REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)................................................................
4-32 ADJUST BUCKET CLEARANCE .................................................................................................... 4-33 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID .............................................................. 4-34 CHECK AND ADJUST AIR CONDITIONER.................................................................................... 4-35 WASH WASHABLE FLOOR............................................................................................................ 4-36 BLEEDING AIR FROM HYDRAULIC SYSTEM...............................................................................
4-39 METHOD FOR RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT.......................... 4-41 CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (CONTROL CIRCUIT)..... 4-42 CHECK BEFORE STARTING .................................................................................................................. 4-43 EVERY 100 HOURS MAINTENANCE...................................................................................................... 4-44 LUBRICATING.................................................................................................................................
4-44 EVERY 250 HOURS MAINTENANCE...................................................................................................... 4-45 LUBRICATING................................................................................................................................. 4-45 LUBRICATE SWING CIRCLE ......................................................................................................... 4-47 CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL...................................................... 4-47 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL ..................................................................
4-48 CHECK LEVEL OF BATTERY ELECTROLYTE ............................................................................. 4-49 EVERY 500 HOURS MAINTENANCE...................................................................................................... 4-52 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST-51 REPLACE FUEL FILTER CARTRIDGE .......................................................................................... 4-52 CHECK SWING PINION GREASE LEVEL, ADD GREASE............................................................
4-53 CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS, CONDENSER FINS AND AFTER COOLER FINS ................................................................................................................................ 4-54 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER................................ 4-55 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK............................................................. 4-56 EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-59 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE .................... 4-57 1-16