Komatsu — MAINTENANCE SCHEDULE CHART

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MAINTENANCE MAINTENANCE SCHEDULE CHART 54 CLEAN 55 57 57 58 58 65 66 66 67 67 68 69 69 4 - 16 EVERY 1000 HOURS SERV REPLACE F UEL MAIN FILTE R CARTRIDGE CHANGE O IL IN TRANSMISSION D TRANSMISSION OIL FILTER CARTRIDGE STRAINER CLEAN TRANSMISSIO N CAS E BREATHER LUBRICATI CHECK OF ENGINE AI R INTAKE PIPING C LAMPS FOR LOOSENESS REPLACE C ORROSIO N RESISTOR CARTR 4 - 4 - 4 - 4 - 4 - 4 - EVERY 2000 HOURS SERV CHANGE O IL IN HYDRAULIC TANK, REPLA CE HYDRAULIC FILTER ELEMENT REPLACE H YDRAULIC TAN K BREATHER E LEMENT CHANGE A XLE OIL(*) REPLACE E LEMENT I N AIR C ONDITIONER RECIRCULATION AIR FILTER, FRESH AIR FILTER (IF EQUIPPED) 62 CHECK BRAKE DISC WEAR 63 CHECKING FUNCTION OF A CCUMULATOR 64 CHECK ALTERNATOR 64 CHECK ENGINE VALV E CLEARANCE, ADJ 64 CHECK VIBRATION D AMPE 64 *:

The interv al of 2000 h ours fo r changing the axle oil is for standard operations . If the brake is used frequently or the brake s make a so und, c hang e the oil af ter a shorter i nterval. 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - EVERY 4000 HOURS SERV LUBRICATI CHECK WATER PUMP CHECK AIR CONDITIONER COMPRESSOR , ADJUST (I F EQUIPPED) CHECK FO R LOOSE E NGIN E HIGH-PRESS URE PIPING CLAMPS, HARDENING OF RUBBER CHECKING FOR MISSING F UEL SPRAY PR EVENTION CAP, HARDENING OF RUBBER CHECK STARTING MO TOR 4 - 4 - 4 - 4 - 4 - 4 - EVERY 8000 HOURS SERV REPLACE H IGH-PRESSURE PIPING CLAM REPLACE F UEL SPRA Y PREVENTION CAP 4 - 4 -