CONTENTS MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................................................... 4-18 MAINTENANCE PROCEDURE .......................................................................................................................... 4-19 INITIAL 100 HOURS MAINTENANCE (ONLY AFTER THE FIRST 100 HOURS)................................... 4-19 INITIAL 500 HOURS MAINTENANCE (ONLY AFTER THE FIRST 500 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.............................................................................. 4-27 CHECK AND ADJUST TRACK TENSION ...................................................................................... 4-28 CHECK ELECTRICAL INTAKE AIR HEATER ................................................................................
4-29 REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)................................................................ 4-30 ADJUST BUCKET CLEARANCE .................................................................................................... 4-31 REPLACE OF FAN BELT AND ADJUSTMENT OF AUTO TENSIONER ....................................... 4-32 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID.............................................................. 4-32 CHECK AND ADJUST AIR CONDITIONER ................................................................................... 4-33 CLEAN LINE FILTER, REMOVE DIRT ...........................................................................................
4-34 REPLACE BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT ......................................... 4-35 CLEAN PILOT LINE FILTER, REMOVE DIRT................................................................................ 4-36 BLEEDING AIR FROM HYDRAULIC SYSTEM .............................................................................. 4-37 METHOD FOR RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT ......................... 4-40 CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (control circuit) ................ 4-41 CHECK BEFORE STARTING ..................................................................................................................
4-42 EVERY 10 HOURS MAINTENANCE........................................................................................................ 4-43 LUBRICATING................................................................................................................................. 4-43 EVERY 100 HOURS MAINTENANCE...................................................................................................... 4-46 EVERY 250 HOURS MAINTENANCE...................................................................................................... 4-47 LUBRICATING SWING CIRCLE .....................................................................................................
4-46 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL .................................................................. 4-47 CHECK LEVEL OF BATTERY ELECTROLYTE ............................................................................. 4-48 CHECK, CLEAN FUEL TANK STRAINER ...................................................................................... 4-50 CHECK AND TIGHTEN TRACK FRAME AND AXLE CONNECTING BOLTS ............................... 4-50 CHECK ALTERNATOR DRIVE BELT TENSION, ADJUST............................................................ 4-51 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST.....................................
4-52 EVERY 500 HOURS MAINTENANCE...................................................................................................... 4-53 REPLACE FUEL FILTER CARTRIDGE .......................................................................................... 4-53 CHECK SWING PINION GREASE LEVEL, ADD GREASE............................................................ 4-55 CLEAN, CHECK RADIATOR FIN, OIL COOLER FIN, FUEL COOLER FIN, CONDENSER FIN (machines equipped with air conditioner) ....................... 4-56 CLEAN FRESH/RECIRC AIR FILTERS OF AIR CONDITIONER (ONLY FOR MACHINES EQUIPPED WITH AIR CONDITIONER).................................................
4-57 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK ............................................................ 4-58 CLEAN STRAINER OF P.T.O LUBRICATING OIL FILTER............................................................ 4-59 CHECK FAN BELT.......................................................................................................................... 4-59 EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-62 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE....................
4-60 REPLACE HYDRAULIC OIL FILTER ELEMENT............................................................................ 4-62 CHANGE OIL IN SWING MACHINERY CASE ............................................................................... 4-63 1-15