Komatsu WA20-2, Operation & Maintenance Manual

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23. MAINTENANCE SCHEDULE CHART 23. MAINTENANCE SCHEDULE CHART
SERVICE ITEM PAGE
Check electric wiring 3-46
Check sound of horn 3-46
Check flashing of lamps, check for dirt or damage 3-47
Check engine exhaust color and sound 3-47
Check operation of gauges 3-47
Check direction of rear view mirror, check for dirt or damage 3-47
EVERY 50 HOURS SERVICE
Check tire inflation pressure 3-48
Clean air cleaner dust cup 3-48
EVERY 250 HOURS SERVICE
Lubricating 3-49
‡ Bucket link pin (2 points) 3-49
‡ Bucket pin (2 points) 3-49
‡ Tilt lever pin (1 point) 3-49
‡ Lift cylinder pin (4 points) 3-49
‡ Dump cylinder pin (2 points) 3-49
‡ Lift arm pivot pin (2 points) 3-49
‡ Steering cylinder pin (2 points) 3-49
Check oil level in hydraulic tank, add oil 3-50
Check and clean air cleaner element 3-51
Check tension of fan belt, adjust 3-52
Check battery electrolyte level 3-53
Check for loose wheel hub bolts, tighten 3-53
EVERY 500 HOURS SERVICE
Replace fuel filter element 3-54
Change oil in engine oil pan, replace engine oil filter cartridge 3-55
Grease rear axle pivot pin (2 points) 3-56