23.
MAINTENANCE SCHEDULE CHART SERVICE ITEM PAGE (EVERY 50 HOURS SERVICE) ‡ Arm-Bucket coupling pin (1 point) 3-47 ‡ Link coupling pin (2 points) 3-47 ‡ Bucket cylinder rod end (1 point) 3-47 ‡ Bucket-Link coupling pin (1 point) 3-47 EVERY 100 HOURS SERVICE Lubricating 3-48 Boom cylinder rod pin (2 points) 3-48 Arm cylinder foot pin (1 point) 3-48 Boom-Arm coupling pin (1 point) 3-48 Arm cylinder rod end (1 point) 3-48 Bucket cylinder foot pin (1 point) 3-48 Check oil level in swing machinery case, add oil 3-49 Drain water and sediment from fuel tank 3-49 EVERY 250 HOURS SERVICE Check oil level in final drive case, add oil 3-50 Check level of battery electrolyte 3-51 Change oil in engine oil pan, replace engine oil filter cartridge 3-52 Lubricate swing circle (2 points) 3-53 Check fan belt and alternator belt tension, adjust 3-54 Test and adjust tension of water pump belt 3-55 Check, adjust tension of air conditioner compressor belt 3-56 EVERY 500 HOURS SERVICE Replace fuel filter cartridge 3-57 Check swing pinion grease level, add grease 3-58 Change oil in engine oil pan, replace engine oil filter cartridge and bypass filter 3-59 cartridge (for machines equipped with bypass filter) Clean and inspect radiator fins, oil cooler fins, aftercooler fins, condenser fins 3-61 (only for machines equipped with air conditioner) Clean FRESH/RECIRC air filters of air conditioner (only for machines equipped with air 3-62 conditioner) Replace hydraulic tank breather element 3-63 Replace hydraulic filter element 3-64 3-21