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Air Filter Service
Clean the outer air filter element after every 20 hours or 1 month (more frequently in harsh condi- tions).
To clean the outer air filter element:
1.FOLLOW SHUTDOWN PROCEDURE AND ALLOW ENGINE TO COOL!
2.Remove the air filter cover by first removing the air filter cover wing nut.
3.Remove the wing nut and washer holding the air filter in place, and remove the air filter assembly (Figure 24).
Figure 24. Removing the air filter.
4.Remove the outer foam air filter element from the filter core.
5.Clean the outer element thoroughly with min- eral spirits and allow to dry.
6.Saturate the outer element with fresh motor oil, then squeeze with a cloth to remove excess oil.
7.Replace the outer air filter element, then replace the air filter assembly, filter wing nut, filter cover, and filter cover wing nut.
Note: To clean the air filter core, DO NOT use solvent or any other cleaning solution. Instead, use a soft brush to remove any par- ticulate