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MAINTENANCE MAINTENANCE SCHEDULE 4- 61 4- 63 4- 65 4- 66 4- 66 4- 66 4- 67 4- 67 4- 67 4- 68 4- 69 4- 69 4- 69 4- 69 4- 70 4- 71 4- 72 4 - 15 CHANGE OIL IN E NGINE OIL PAN, R EPLACE ENGINE OIL FILTER CARTRIDGE EVERY 1000 HOURS MAINTENANC REPLACE HYDRAULIC OIL FILTER ELEMEN CHANGE OIL IN S WING MACHINER Y CASE CHECK OIL L EVE L IN DA MPER CAS E, ADD OIL CHECK ALL TIGHTENIN G PARTS O F TURBOCHARGER CHECK PLAY OF TURBOCHARGER ROTOR REPLACE CORROSION RESISTOR CHECK FAN BEL T TENSION AND R EPLACE FAN BELT CHECK NITROGE N GAS CHARGE P RESSURE IN ACCUMULATOR (FOR BREAKER) EVERY 2000 HOURS MAINTENANC CHANGE OIL IN F INAL D RIVE CASE CLEAN HYDRAUL IC TAN K STRAINE CLEAN, CHECK T URBOCHARGER CHECK ALTERNATOR, STARTING CHECK ENGINE VALVE CLEARANC E, ADJUST CHECK VIBRATIO N DAMPER EVERY 4000 HOURS MAINTENANC CHECK WATER P EVERY 5000 HOURS MAINTENANC E TANK CHANGE OIL IN H YDRAULIC