Komatsu AX20 Operation & Maintenance Manual page 129

(#) Indicates Emissions-Related (EPA) Maintenance Service Items
Every 500 hours service
Change oil in engine oil pan and replace engine oil filter cartridge (gasoline engine)
(#) Drain water from fuel filter and replace fuel filter cartridge (diesel engine)
Every 3 months or every 600 hours service
(#) Clean LPG filter
(#) Inspect PCV valve and hoses (gasoline engine)
Grease fuel injection pump governor, change governor oil
Replace engine oil filter cartridge (diesel engine)
Check oil level in transmission case, add oil as necessary (clutch-type trucks, include differential case)
Check oil level in differential case, add oil as necessary (clutch-type trucks, include transmission case)
Every 1,000 hours service (EPA and Diesel engines)
Check and adjust fuel injection pressure and atomizing condition of nozzles
Every 6 months or every 1,200 hours service
Check steering link for bending, damage and wear
Check steering knuckle for play, deformation and damage
Check for marked variation in minimum turning radius
Change oil in differential case (clutch-type lift trucks, include transmission case)
Change oil in TORQFLOW transmission case
Clean TORQFLOW transmission strainer
Replace torque converter oil filter
Change clutch oil
Change brake oil/fluid
(#) Adjust intake and exhaust valve clearance
Measure compression pressure
(#) Check, adjust fuel injection timing, check and inspect fuel injection nozzles (diesel engine)
(#) Check PCV blow-by gas reduction system for clogging, damage (gasoline engine)
Clean inside of cooling system
Clean radiator
Change oil in hydraulic tank, replace hydraulic line filter, clean hydraulic tank strainer, clean inside of
hydraulic tank
Service Item (gasoline/LPG/diesel engines)
30. MAINTENANCE SCHEDULE CHART
Page
4-16
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4-27
4-16
4-21
4-27
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4-18
4-18
4-28
4-28
4-28
4-16
4-28
4-28
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4-22
4-22
4-15
4-13