WARNING: Operating the engine with loose or dam- aged air cleaner components will allow unfiltered air into the carburetor, causing ex- tensive wear and eventual failure of the engine.
Servicing The Precleaner
Wash and
•Loosen the aircleaner cover knob and remove the cover.
•Remove the foam precleaner by sliding it up off the paper element.
•Wash the precleaner in warm water with detergent. Rinse the precleaner thoroughly until all traces of the detergent are eliminated. Squeeze out (do not wring) excess water in a dry cloth. Allow the precleaner to air dry.
•Saturate the foam precleaner with new engine oil. Squeeze out all excess oil in a dry cloth.
•Reinstall the foam precleaner over the paper element.
•Reinstall the air cleaner cover and tighten the retaining knob to secure.
Servicing The Paper Element
Inspect and replace the paper element as necessary. Refer to Figure 28.
•Loosen the air cleaner cover knob and remove the cover.
•Remove the foam precleaner by sliding it up off the paper element.
•Clean the area around the element to prevent debris from getting into the engine when the element is removed.
•Loosen and remove the element cover wing nut.
•Remove the air filter element and element cover by lifting straight up.
•Do not wash the paper element or use pressurized air, as this will damage the element. Replace a dirty, bent or damaged element. Handle new elements carefully; do not use if the sealing surfaces are bent or damaged.
•When servicing the air cleaner, check the air cleaner base. Make sure it is secured and not bent or damaged. Check the element cover plate for damage or improper fit. Also check the rubber seal for damage or deterioration. Replace all damaged air cleaner components.
•Reinstall the paper element, foam precleaner, cover plate and element cover wing nut.
•Reinstall the air cleaner cover and tighten the retaining knob to secure.
IMPORTANT: Properly maintained air
cleaner elements significantly contribute to prolonging engine life.
Servicing Oil Cooler
Inspect and clean the oil cooler, located next to the oil filter, after every 100 hours of operation.
Clean debris from the fins of the oil cooler with a brush or compressed air.
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