After you have drained the dirty oil, refill the crankcase with fresh auto motor oil. To fill
the crankcase, perform the steps listed in the "Checking/Adding Oil" portion of this
MAINTENANCE section.
NOTE: Never dispose of used motor oil in the trash or down a drain. Please call
your local recycling center or auto garage to arrange oil disposal.
Air Filter Maintenance
TIMELINE: Clean the air filter every 50 hours or more often in dirty environments.
To clean the air filter:
1.Unscrew the wing nut from the top of the air filter and remove the plastic case (see figure 19).
2.Unscrew the wing nut that holds the metal air filter bracket to the machine. Remove the metal bracket with sponge attached.
3.Slide the sponge element off of the metal bracket. Wash the sponge element in household detergent and warm water. Allow to dry.
4.Soak the dry element in engine oil. Squeeze out any excess oil.
5.Tap the metal bracket, with paper air filter inside, against a hard surface to knock out any dirt.
6.Slide the sponge element back onto the metal bracket.
7.Replace the metal bracket and secure with the inner wing nut. Then replace the plastic cover and secure with the outer wing nut.
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Figure 19- Removing the air filter
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