23.
MAINTENANCE SCHEDULE CHART SERVICE ITEM PAGE Lubricating e Boom foot pin (2 points) 3-50 ¢ Boom cylinder rod pin (2 points) 3.50 e Armcylinder foot pin (1 point) 3-50 ¢ Boom-arm coupling pin (1 point) 3-50 ¢ Arm cylinder rod end (1 point) 3-50 ¢ Bucket cylinder foot pin (1 point) 3-50 ¢ Boom foot pin (2 points) 3-54 e Arm-link coupling pin (1 point) 3-51 e Arm-bucket coupling pin (1 point) 3-54 3-51 e — Link coupling pin (2 point) ¢ Bucket cylinder rod end (1 point) 3-54 e Bucket-link coupling pin (2 points) 3-54 Check oil level in swing machinery case, add oil 3-51 Drain water and sediment from fuel tank 3.52 Clean fresh air intake heater filter 3-52 EVERY 250 HOURS SERVICE Check oil level in final drive case, add oil 3-53 Check level of battery electrolyte 3-54 Replace hydraulic filter element 3-55 Lubricate swing circle (2 points) 3-56 Check air conditioner compressor belt tension, adjust 3-57 EVERY 500 HOURS SERVICE PC160/180/200-6k-ENG Replace fuel cartridges | 3-59 Check swing pinion grease level, add grease 3-61 Change oil in engine oil pan, replace engine oil filter cartridge 3-62 Clean and inspect radiator fins, oil cooler fins and condensor fins (only for machines equipped with air-conditioner) 3-64 3-21