4.2
Section 4
Air Cleaner and Air Intake System
3. Wash the precleaner in warm water with
detergent. Rinse the precleaner thoroughly until
all traces of detergent are eliminated. Squeeze
out excess water (do not wring). Allow the
precleaner to air dry.
4. Saturate the precleaner with new engine oil.
Squeeze out all excess oil.
5. Reinstall the precleaner into the outer cover.
6. Install the air cleaner cover and secure with the
two knobs.
7. When precleaner replacement is necessary, order
Kohler Part No. 20 083 01-S.
Paper Element Service
Check the paper element every two months or every
25 hours of operation (more often under extremely
dusty or dirty conditions). Clean or replace the element
as necessary. Replace the air cleaner element
annually or every 100 hours.
1. Remove the air cleaner cover and the precleaner
(if so equipped), service as required.
2. Remove the air cleaner element with the integral
rubber seal.
3. Gently tap the pleated side of the paper element
to dislodge dirt. Do not wash the paper element
or use pressurized air, as this will damage the
element. Replace a dirty, bent, or damaged
element with a genuine Kohler element. Handle
new elements carefully; do not use if the rubber
seal is damaged.
4. Clean all air cleaner components of any
accumulated dirt or foreign material. Prevent any
dirt from entering the throat of the carburetor.
5. Install the air cleaner element with the pleated
side “out” and seat the rubber seal onto the edges
of the air cleaner base.
6. Reinstall the precleaner (if so equipped), into the
upper section of the air cleaner cover. Make sure
the hole in the precleaner is aligned with the
upper mounting knob. See Figure 9.
7. Reinstall the air cleaner cover and secure with the
two knobs.
8. When element replacement is necessary, order
Kohler Part No. 20 083 02-S.
Inspect Air Cleaner Components
Whenever the air cleaner cover is removed, or the
paper element or precleaner is serviced, check the
following areas/components:
Outer Air Cleaner Cover - Make sure the air cleaner
cover is in good condition, not cracked, damaged, or
missing a retaining knob, which can affect the sealing
ability of the air cleaner element.
Air Cleaner Base - Make sure the base is properly
secured and not cracked or damaged. Since the air
cleaner base and carburetor are secured to the intake
port with common hardware, it is extremely important
that the fasteners securing these components are tight
at all times. The air cleaner base also provides the
mounting points for the air cleaner cover retaining
studs. Make sure the bosses are not cracked, broken
or damaged, and the studs are properly secured.
Before reinstalling an air cleaner base that has been
removed, make sure the metal bushings in the base
mounting holes are present. See Figure 4-2. The
bushings prevent damage to the base and maintain
the proper mounting torque.
Figure 4-2. Bushings in Air Cleaner Base.
Breather Hose - Make sure the hose is not cracked or
damaged, and attached to both the air cleaner base
and valve cover.
NOTE: Damaged, worn, or loose air cleaner
components can allow unfiltered air into the
engine causing premature wear and failure.
Tighten or replace all loose or damaged
components.
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