CONTENTS TIGHTENING TORQUE SPECIFICATIONS ...................................................................................................... 4-14 TIGHTENING TORQUE LIST................................................................................................................... 4-14 SAFETY CRITICAL PARTS ............................................................................................................................... 4-15 SAFETY CRITICAL PARTS LIST .............................................................................................................
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 INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS) ............................... 4-19 WHEN REQUIRED ................................................................................................................................... 4-20 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT......................................................... 4-20 CLEAN INSIDE OF COOLING SYSTEM ........................................................................................ 4-25 CHECK AND TIGHTEN TRACK SHOE BOLTS..............................................................................
4-28 CHECK AND ADJUST TRACK TENSION....................................................................................... 4-29 CHECK ELECTRICAL INTAKE AIR HEATER ................................................................................ 4-31 REPLACE BUCKET TEETH (VERTICAL PIN TYPE) ..................................................................... 4-32 REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)................................................................ 4-35 ADJUST BUCKET CLEARANCE ....................................................................................................
4-36 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID .............................................................. 4-37 CHECK AND ADJUST AIR CONDITIONER.................................................................................... 4-38 WASH WASHABLE FLOOR............................................................................................................ 4-39 BLEEDING AIR FROM HYDRAULIC SYSTEM............................................................................... 4-43 METHOD FOR RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT.......................... 4-46 CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (CONTROL CIRCUIT).....
4-46 CHECK BEFORE STARTING .................................................................................................................. 4-47 EVERY 100 HOURS MAINTENANCE...................................................................................................... 4-48 LUBRICATING................................................................................................................................. 4-48 CHECK SWING MACHINERY CASE OIL, ADD OIL....................................................................... 4-50 EVERY 250 HOURS MAINTENANCE......................................................................................................
4-51 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL .................................................................. 4-51 CHECK LEVEL OF BATTERY ELECTROLYTE ............................................................................. 4-52 EVERY 500 HOURS MAINTENANCE...................................................................................................... 4-55 REPLACE FUEL FILTER CARTRIDGE .......................................................................................... 4-55 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE .................... 4-56 CHECK SWING PINION GREASE LEVEL, ADD GREASE............................................................
4-57 LUBRICATE SWING CIRCLE ......................................................................................................... 4-57 RADIATOR CORE AND FINS - CHECK/CLEAN ............................................................................ 4-58 CLEAN AIR CONDITIONER FRESH/RECIRC FILTERS................................................................ 4-59 REPLACE HYDRAULIC OIL FILTER ELEMENT ............................................................................ 4-61 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK.............................................................
4-62 CHECK AND ADJUST COOLING FAN BELT TENSION................................................................ 4-63 CHECK, ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION ..................................... 4-64 EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-65 CHANGE OIL IN SWING MACHINERY CASE................................................................................ 4-65 1-16