Maintenance Intervals
175
Air filter and foam pre cleaner
A dirty air filter and/or foam pre cleaner can reduce engine power, increase fuel consumption and make starting
more difficult. See Figure 9.3.
The foam pre cleaner should be checked before each use and cleaned every 25 hours.
The air filter should be replaced per engine manufacturers requirements.
Refer to the engine manufacturer’s service manual for the proper procedures to access the air filter.
To clean a pre cleaner (if applicable):
1. Remove the pre cleaner following the steps described
by the engine manufacturer.
2. The foam pre cleaner should be cleaned by:
2a. Washing the filter in warm soapy water.
2b. Rinse it and let it air dry.
IMPORTANT: Always replace a damaged filter.
NOTE: Most foam pre cleaners can be oiled with three
drops of oil placed on them and the oil distributed
through the filter by squeezing it before installing
the pre filter. THERE IS ONE MAJOR EXCEP
-
TION. When the foam pre-cleaner is in direct con-
tact with the paper filter, it SHOULD NOT be oiled.
In this case the oil could soak into the paper filter
and clog it. Never oil a paper air filter. In all cases,
follow the recommendations of the engine manu
-
facturer for your particular engine.
Figure 9.3
Filter Cover
Foam pre cleaner
Filter element
FOR DISCOUNT PARTS CALL 606-678-9623 OR 606-561-4983
www.mymowerparts.com
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