Maintenance Instructions KOHLER TIPS
52
IMPORTANT TIPS FOR CARE OF THE KOHLER
ENGINE
Fuel System
● Fuel must be clean—free from water, dirt, and
or ganic material.
● Change the fuel lter on a regular basis and
when contamination is suspected or found in the
fuel.
● The fuel injection system is pressurized. Do not
attempt to service this fuel system. Contact
your Walker dealer or authorized Kohler service
dealer for work on the fuel system.
Starting/Stopping
● Start engine with the throttle advanced o idle
(1/4 to 1/2 throttle). This will aid starting, espe-
cially in cold weather.
● Keep the battery fully charged.
● Match crankcase oil viscosity to the ambient
tem perature, allowing the engine to crank faster
and start easier.
● Allow engine to run at idle for a few seconds
be fore stopping engine to avoid run-on or back-
ring.
Cooling System
CAUTION
DO NOT use water or a pressure washer to
clean the cooling system on an air-cooled
engine; mud may form under the cooling
shroud on the cylinder head and cooling
fan resulting in engine overheating.
● Keep engine air intake screen and cylinder head
ns free of grass clippings, cha, and dirt. In-
spect intake screen and cooling ns for cleanli-
ness and no damage.
● Periodically remove two access panels in the
en gine shroud to inspect and clean cylinder
head cool ing ns.
● Check performance of the cooling system by
starting the engine, holding a hand adjacent to
the cylinder head, and feeling the cooling air-
ow.
DANGER
Make sure to keep hands clear of exhaust
pipe, muer, and moving parts when
checking airow.
● Operate the engine at full speed when mowing.
This allows the engine to produce full horse-
power and move more cooling air through the
engine cool ing ns.
Air Cleaner System
● Use only Enginaire
TM
air cleaner elements.
After market elements may not seal in the air
cleaner housing, allowing dirt to enter the en-
gine. Also, af termarket lters often skimp on the
ltration media and require more frequent
replace ment (see following instructions).
● Use the air lter restriction gauge to indicate the
need to service the air lter.
● Do frequently check the Turbine Precleaner
(located in the end cap of the air cleaner assem-
bly) for free movement of the internal fan. Shine
light into end cap to verify movement of fan with
engine running.
● DO NOT overservice or frequently “disturb”
the air lter. A dirty air lter actually cleans bet-
ter than a new one. Changing and cleaning the
air lter too often can actually reduce lter e-
ciency and in crease the opportunity for traces of
dust to enter the engine. Wait until the element
really needs servicing as indicated by the air l-
ter restriction gauge.
● When the air lter element is removed or re-
placed, make sure all dust is cleaned out of the
air cleaner housing and hose. Use a damp
cloth and wipe the interior of the canister and
hose clean (a lit tle dirt left here will be sucked
into the engine and reduce engine life). When
the lter is reinstalled, make sure the element
is held tight and straight in the canister for
proper seating and sealing.
● Periodically check the air intake hose for cuts,
nicks, etc., and the hose clamps for tightness.
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