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These required maintenance procedures should be performed at the frequency
stated in the table. They should also be included as part of any seasonal tune-up.
REQUIRED MAINTENANCE
Clean Air Intake Screen
Check Oil Level
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Fill Fuel Tank
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Check/Replace Fuel Filter
Service Foam Precleaner
Change Oil
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Check Optional Red uction Gear Unit
Clean Cooling Fins and External Surfaces
Check Paper Air Cleaner Element
Check Spark
ug
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Have Valve-Tappet Clearance Checked"
Have Cylinder Head Serviced"
Have Starter Motor Drive Serviced"
Identification Plate
(Under Air Cleaner Cover)
Throttle
Control
Chok
Control
Retractable
Starter
IGNITION SYSTEM
This engine is equipped with a de
pendable electronic ignition system.
Other than periodically checking/re
plaCing the spark plug (see page 5),
no maintenance, timing, or adjust
ments are necessary or possible with
this system. In the event starting prob
lems should occur which are not cor
rected by replacing the spark plug,
see your Kohler Engine Service Deal
er for trouble analysis.
CAUTION: Do not apply 12-V DC to
kill terminal of ignition module as
module will burn out.
See wiring diagram on page 7.
4
MAINTENANCE INSTRUCTIONS
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Blower
Housing
Fuel Tank
Fuel Filter
Air Intake
Screen
COOLING SYSTEM
Every 50 operating hours (more often
under extremely dusty or dirty condi
tions) remove cooling shrouds and
clean cooling fins. Also clean dust,
dirt, and oil from external surfaces of
engine which can cause improper
cooling. Make sure cooling shrouds
are reinstalled. Operating the engine
without cooling shrouds will cause
engine damage due to overheating.
AIR CLEANER
This engine is equipped with a high
density paper air cleaner element.
Some specifications are also equipped
FREQUENCY·
DAILY*
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DAILY
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As Required
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As Required
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25 Hrs. *
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25 Hrs.
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50 Hrs.
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50 Hrs.
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100 Hrs.*
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1 00 Hrs.
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500 Hrs.
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500 Hrs.t
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500 Hrs.
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Dipstick
&
Oil Fill
Electric
Starter
/'
Oil Drain
•
A
WARNING: Accidental Starts
Before servicing the engine or equip
ment, always remove the spark plug
lead to prevent the engine from start
ing aCCidentally. Ground the lead to
prevent sparks that could cause fires.
'Perform these maintenance pro
cedures more frequently when the
engine is operated under extremely
dusty and dirty conditions.
"Have a Kohler Engine Service Deal
er perform these services.
t250 hours when leaded gasoline is
used.
Cooling
Spark
Muffler
Fins
PI
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Oil Sump
with an optional oiled foam precleaner
which surrounds the paper element.
Precleaner
If so equipped, wash and reoil the
precleaner every 25 operating hours
(more often under extremely dusty or
dirty conditions).
1. Remove wing nut and air cleaner
cover.
2. Remove precleaner from paper ele
ment. (It is not necessary to remove
element cover or paper element.)
Wash the precleaner in warm water
with detergent.
3. Rinse the precleaner thoroughly
until all traces of detergent are
eliminated. Squeeze out excess
water (do not wring). Air dry.
Air Cleaner
Oil Drain
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