Kohler K321 Owner's Manual - Page 9

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Kohler K321 Owner's Manual
Wing
Nut
\
Air Filter
Precleaner
\
Figure 6. Air Cleaner Housing
Components.
Check the air cleaner daily or before starting the
engine. Check for buildup of dirt and debris around
the air cleaner system. Keep this area clean. Also
check for loose or damaged components.
Replace all
bent or damaged air cleaner components.
NOTE:
Operating the engine with loose or damaged
air cleaner components
could allow unfiltered
air into the engine causing premature wear
and failure.
Service Precleaner
Wash and reoil the precleaner
every 25 hours of
operation,
(more often under extremely
dusty or dirty
conditions).
1 .
2 .
3 .
4 .
5 .
6 .
Remove the wing nut and air cleaner cover.
Remove the precleaner
from the paper element.
NOTE:
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.
Saturate the precleaner
with new engine oil.
Squeeze out all excess oil.
Reinstall the precleaner
over the paper element.
When precleaner
replacement
is necessary
always use genuine Kohler parts.
Service Paper Element
Every 100 hours of operation
(more often under
extremely
dusty or dirty conditions),
replace the
element.
1. Remove the precleaner
(if so equipped) from the
paper element.
2 .
3 .
4.
5 .
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 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. Also check the air cleaner
cover, seals and breather tube for damage or
improper fit. Replace all damaged air cleaner
components.
Reinstall the paper element, air cleaner cover
and wing nut. Wing nut must be finger tightened
to l/2 to 1 full turn after nut contacts cover. Do
not overtig hten.
When air cleaner element replacement
is
necessary always use genuine Kohler parts.
Clean Air Intake/Cooling
Areas
To ensure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine
are kept clean at all times.
Every 50 hours of operation
(more often under
extremely
dusty, dirty conditions),
remove the blower
housing and other cooling shrouds. Clean the cooling
fins and external surfaces as necessary.
Make sure
the cooling shrouds are reinstalled.
Operating the engine with a blocked grass
screen, dirty or plugged cooling fins, and/or
cooling shrouds removed, will cause engine
damage due to overheating.
Check Spark Plug
Every 100 hours of operation,
remove the spark plug,
check its condition,
and reset the gap or replace with a
new plug as necessary.
Use a Champion@ type RHIO
(or equivalent)
spark plug.
1 .
2 .
Before removing the spark plug, clean the area
around the base of the plug to keep dirt and
debris out of the engine.
Remove the plug and check its condition.
Replace the plug if worn or reuse is questionable.
NOTE:
Do not clean the spark plug in a machine
using abrasive grit. Some grit could
remain in the spark plug and enter the
engine causing extensive
wear and
damage.