Section 4 Air Cleaner and Air Intake System 6. Reinstall the end cap, so the dust ejector valve faces down, and secure with the two retaining clips. Air Cleaner Components Air Cleaner Housing/End Cap Assembly Make sure air cleaner housing including the dust ejector valve and the end cap is in good condition and not cracked. The two retainer clips should positively lock when the cap is installed. Figure 4-5. Removing Air Cleaner Element. Air Cleaner Hose Inspect the air cleaner hose to make sure it is not cracked, split or damaged. Check that the air cleaner hose is securely clamped to both the air cleaner outlet and the inlet elbow on the carburetor. 3.
Check the condition of the inner safety element. It should be replaced whenever it appears dirty, typically every other time the main element is replaced. Before removing it from the housing, clean the area around the base of the inner element, so dirt does not get into the engine. See Figure 4-6. Air Cleaner Mounting Base Make sure the base is securely fastened to the upper valve cover screw locations and the screws securing the clamp bracket for the air cleaner housing are properly installed and tight. Breather Hose Make sure the hose is in good condition, not cracked, and properly secured to the breather cover and adapter fitting. Figure 4-6. Removing Cylindrical Inner Element. 4.
The elements must be replaced when dirty. Do not attempt to clean the elements with pressurized air, or other means, as the elements will be ruined. Handle new elements carefully; do not use if the sealing surfaces are bent or damaged. Replace any damaged or questionable components. Figure 4-7. Air Cleaner Assembly. 5. If it is being replaced, install the new inner element, Kohler Part No. 25 083 04-S , followed by the canister outer element; Kohler Part No. 25 083 01-S . Slide each fully into place in the housing. 4.2