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MAINTENANCE MAINTENANCE SCHEDULE 4- 61 4- 62 4- 63 4- 65 4- 67 4- 67 4- 68 4- 70 4- 71 4- 72 4- 72 4- 72 4- 72 EVERY 4000 HOURS MAINTENANCE Check Water Pump 4- 73 4- 74 4 - 15 EVERY 500 HOURS MA Replace Fuel Filter Change Oil in Engin e Oil Pan, Replace Engin e Oil F ilte r Cartridge Clean Air Conditione r Fresh/Recirc Filters Clean, Check Radia tor Fins, Oil Cooler Fins a nd Condenser Fins Lubricate Swing Circ Check Swing Pinion Grease Level, Add Grea EVERY 1000 HOURS M AINTENANCE il Filter Element Machinery Case Drive Case Replace Hydraulic O Change Oil in Swing Change Oil in Final EVERY 2000 HOURS M AINTENANCE ase, Add Oil charger arting Motor Clearance, Adjust Check PTO Gear C Clean, Check Turbo Check Alternator, St Check Engine Valve Clearance, Adjust EVERY 5000 HOURS M AINTENANCE Change Oil in Hydra ulic Tank, Clean Strainer MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER For machine equipp ed with a hydraulic breake r, the hydraulic oil deteriorates faster than for norma l bucket digging operations, so set th e maintenance intervals as follows.
Replace hydraulic filter element On a new machin e, replace the element afte r the f irst 100 to 150 hours, then carr y out further replaceme element according to the t Change oil in hydr aulic tank Change the oil ac cording to the table on th e right Replacing additiona l filter element for breaker (if equipped) Use a guideline o f 250 hours for use of the breaker (operating ratio for the break er: 50 % or more), eplac element according to the t