SERVICE AiR FILTER PRE-CLEANERService Interval: 25 Hours or as required.1. Loosen the air filter cover knob and remove the cover(A, Figure 26). Clean out any debris from around theair filter. Inspect the condition of the sealing surfacesof the air filter element (D) and filter base. Replaceany damaged parts.2. Remove the foam pre-cleaner (B) from the air filterelement (D).3. Wash the pre-cleaner (B) with warm water and deter-gent. Rinse thoroughly. Squeeze out all excesswater. DO NOT wring out. Allow the pre-cleaner to airdry.4. Saturate the pre-cleaner with new engine oil.Squeeze out the excess oil. DO NOT wring out.Squeeze the pre-cleaner in a paper towel until allexcess oil has been removed.5. Reinstall the pre-cleaner (B) over the air filter (D).6. Reinstall the air cleaner cover (A).REPLACE AIR FILTERService interval: 100 Hours or as required.1. Loosen the air filter cover knob and remove the cover(A, Figure 26). Clean out any debris from around theair filter. Inspect the condition of the sealing surfacesof the air filter (D) and filter base. Replace any dam-aged parts.2. Remove the foam pre-cleaner (B) from the air filterelement. Service the pre-cleaner as described inSERVICE AIR FILTER PRE-CLEANER above.3. Remove the wing nut (C). Remove and replace theair filter (D).4. Reinstall the wingnut (C) and pre-cleaner (B).5. Reinstall the air cleaner cover (A).Figure 26. Air Filter AssemblyA. Air Filter Cover & KnobB. Foam Pre-CleanerC. Wingnut with Locking MaterialD. Air FilterE. Rubber SealF. Stud24