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AC-Series Operator’s Manual-E/F 25
Service Chart
First Month Every 3 Months Every 6 Months Every Year Every Two Years
or 5 hours or 25 hours or 50 hours or 100 hours or 250 hours
Clean Air Filter ........................................................X (2)
Change Air Filter ..............................................................................................................................................X (3)
Change Engine Oil ......................... X .................................................. X (1)
Clean and Gap Spark Plug ....................................................................................................X
Change Spark Plug .............................................................................................................................................X
Clean Sediment Cup ...............................................................................X
Adjust Valve Clearance ....................................................................................................... X (4)
Clean Fuel tank and lter .................................................................................................... X (4)
Check Fuel Tube ..............................................................................................................................................X (4)
Clean Detergent Strainer ...........................................X
Clean Inlet Water Screen ...........................................X
(1) Perform oil change after rst 5 hours of use and
then at recommended intervals. Change engine oil
every 25 hours when used under heavy load or in
high ambient temperatures.
(2) Service more frequently when used in dusty
areas.
(3) May require replacement earlier in dusty areas. A
dirty air lter reduces engine performance.
(4) Should be serviced by authorized dealer unless
owner has proper tools and is mechanically
procient.