AIR INTAKE
The importance of maintaining an air cleaner in proper condition cannot
be
overemphasized!
Dirt induced through improperly installed, improperly serviced or inadequate elements, wears out
more engines than does long hours of operation.
Even a small amount of dirt will wear out a set of
piston rings in just a few hours. Furthermore, operating with a clogged element causes the fuel mix
-
ture to
be
richer which can lead to formation of harmful sludge deposits in the engine.
Always cover
carburetor or air intake horn when air cleaner is removed for servicing. Do not neglect servicing
air
cleaner at recommended intervals and use only genuine Kohler parts for replacement. Keep other air
intake components such as adapters,
hoses, clamps, etc. secure and in good condition to prevent
entrance of unfiltered air.
Under normal operating conditions, disassemble and service air cleaner components every
50
hours
of operation. Do this more frequently (even daily)
if
extremely dusty or dirty conditions prevail.
attempt to clean dry type elements in any liquid or with compressed air as this will damage
paper filter material. Wipe dirt or dust accumulation from cover including base plate where used.
Replace when dirty with genuine Kohler filter element.
When replacing element use only genuine Kohler part. Carefully handle new element
--
do not use
if
gasket surfaces are bent or twisted.
Not only must the right filter be used but
it
must be properly
installed to prevent unfiltered air from entering the engine. Check the following when installing new
or serviced element.
1.
Back plate
(K482, K532) air horns and adapters must be securely tightened to carburetor.
Replace
bent or cracked back plate when used.
Gaskets between back plate or air horn and carburetor must
be in good condition.
2.
Gasket surfaces of element must be flat against cover (and back plate when used) to seal effectively.
3.
Copper washer (if used) must be positioned between cover and wing nut to seal and prevent unfiltered
air from entering through center hole in cover.
If
wing nut is used that does not require copper
washer, make sure lower flange area of wing nut properly seals around hole in cover.
Wing nuts must
be finger tightened 1/2 to 1 full turn after nut contacts cover.
Do not overtighten.
Precl eaner
Some models are equipped with a precleaner.
Pre
-
cleaners extend the useful life of the paper air
cleaner element by removing coarse particles.
Precleaners should be washed and oiled every
25
operating hours, or more often under extremely dirty,
dusty conditions, as follows:
1. Remove precleaner from air cleaner element and
wash in warm water with detergent.
2. Rinse thoroughly until all traces of detergent
are eliminated and squeeze away excess water.
Air dry. (Do not wring precleaner.)
3. Soak in fresh clean engine oil and squeeze out
excess oil.
4. Reinstall precleaner over air cleaner element.
DRY TYPE
ELEMENT
-
BASE
FIGURE 3
-
1
--
TYPICAL DRY TYPE AIR CLEANER
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