Kohler K91 Service Manual page 25

Paper Element
Every operating hours (more often under ex­
1 00
tremely dusty or dirt y conditions) check the paper
element . Replace the element as follows :
1 . Remove the precleaner (if so eq uipped) , ele­
ment cover nut , element cover and paper ele­
ment .
Replace a dirty, bent or damaged element with a
2 .
new genuine Kohler element. Handle new
elements carefully; d o not use if surfaces are
bent or d amaged .
NOT E : Do not wash the paper element or use
compressed air as this will damage the element .
3. Reinstal l the paper element .
4 . Install the precleaner (cleaned and oiled) over
the paper element .
5 . I nstall the a i r cleaner cover and wing nut .
Tighten wing nut. Make sure element is sealed
tightly against air cleaner base .
5 . 2
Figure 5-2 . K 1 8 1 N ew Look, Air Cleaner Assembly.
Inspect Air Cleaner Compone nts
Whenever the air cleaner cover is removed, or
when servicing the paper element or precleaner,
check the following components:
1 . Air Cleaner Base
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tightly to carburetor and is not bent or dam­
aged .
2 . Element Cover and Element Cover N ut
K 1 8 1 New Look engines only , make s u re ele­
ment cover is not bent o r damaged . Check
that element cover nut is secured tightly to
seal element between air cleaner base and
element cover. Tighten nut to 50 in. l b .
torque. Refer t o Figu re 5-2 .
3. Breather Tube Make sure it is sealed tightly
-
in the air cleaner base and breather cover.
NOT E : On Model K1 8 1 New Look engines of cer­
tain specifications , the element cover may contact
the breather tube, making it impossible to maintain
crankcase vacuu m . To prevent this problem , cut
the end of the breather tube that protrudes
through the air cleaner base at approximately a 45
degree angle .
Paper
Element
Make sure it is secured
- On
Breather
H ose
Air Cleaner
Base