Spark Plugs
AcAUTION
Electrical Shock can cause injury.
Do not touch wires while engine
is runhing.
< 3an out spark plug recess. Remove plug and
replace.
1
Check gap using wire feeler gauge. Adjust
gap, see specification table for adjustment.
2. lnstall plug ir:ifö cylinder head.
forque plug to
20
ft. lb.
(27
N·m).
ir
Cleaner
1\ ITE: Operating engine with loose or
damaged air cleaner components
could cause premature wear and
failure. Replace all bent or damaged
components.
IIOTE: Paper element cannot be blown out
with compressed air.
.ow-Profile/Commercial Mower
. r 1sen knob and remove air cleaner cover.
~l -
cleaner:
. Remove precleaner from paper element.
!.
leplace or wash precleaner in warm water
with detergent. Rinse and allow to air dry.
:. '";aturate precleaner with new engine oil;
queeze out excess oil.
•· Reinstall precleaner over paper element.
1
1
,er Element:
. ..;1ean area around element. Remove wing
nut, element cover, and paper element with
recleaner.
. ,:,eparate precleaner from element; service
precleaner and replace paper element.
. :heck condition of rubber seal' and replace if
, ,ecessary.
• 1
'1stall new paper element on base; install
redeaner over paper element; reinstall
vlement cover and secure with wing nut.
eiristall air cleaner cover and secure with
1 ).
eavy-Duty
· · nhook retaining clips and remove end
lp(s).
Check and clean inlet screen (if equipped).
~II air cleaner element out of housing and
. .1place. Check condition of inner element;
replace when dirty.
4. Check all parts for wear, cracks, or damage,
EN
and that ejector area is clean.
5. lnstall new element(s).
6. Reinstall end cap(s) with dust ejector valve/
screen down; secure with retaining clips. _
Br eather Tube
Ensure both ends of breather tube are properly
connected.
011 Cooler (1f equ1pped)
1.
Clean fins with a brush or compressed air.
2. Remove two screws securing oil cooler, and
tilt to clean back side.
3.
Reinstall oil cooler.
Arr Cool111g
AwARNING
sl
Hot Parts can cause severe
bums.
Do not touch engine while
operating or just after stopping .
Never operate engine with heat shields or
guards temqved .
Proper cooling is essential. To prevent over
heating, clean screens, cooling fins, and other
external surfaces of engine. Avoid spraying
water at wiring harness or any electrical -
components. See Maintenance Schedule.
Repa1rs/Service Parts
We recommend !hat you use a Koh(er
authorized dealer for all maintenance,
service, and replacement parts for engine.
To find a Kohler authorized dealer visit
KohlerEngines.com or call
1-800-544-2444
(U.S. and Canada) .
Storage
lf engine will be out of service for 2 months or
more follow procedure below .
1.
Add Kohler PRO Series fuel treatment or
equivalent to fuel tank. Run engine
2-3
minutes to get stabilized fuel into fuel system
(failures due to untreated fuel are not
warrantable ).
2. Change oil while engine is still warm from
operation. Remove spark plug(s) and pour
about 1 oz. of engine oil into cylinder(s).
Replace spark plug(s) and crank engine
slowly to distribute oil.
3.
Disconnect negative(-) battery cable .
4. Store engine in a clean, dry place.
i
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