8
35 590 02 Rev. C
KohlerPower.com
Clean out spark plug recess. Remove plug and
replace.
1. Check gap using wire feeler gauge. Adjust
gap, see specification table for adjustment.
2. Install plug into cylinder head.
3. Torque plug to 20 ft. lb. (27 N·m).
Cleaning Pump
1. Clean pump, especially air inlets and outlets
of engine with a cloth and a brush.
2. Check general condition of pump and
replace defective parts.
Air Cleaner
NOTE: Operating engine with loose or
damaged air cleaner components
could cause premature wear and
failure. Replace all bent or damaged
components.
NOTE: Paper element (K) cannot be blown out
with compressed air.
Unhook cover latch (T) and remove air cleaner
cover (J).
Paper Element: Remove and replace paper
element (K).
Foam Element: Remove foam element (L);
replace or wash in warm water with detergent.
Rinse and allow to air dry.
Reinstall air cleaner cover (J) and secure cover
latch (T).
Breather Tube
Ensure both ends of breather tube are properly
connected.
Air Cooling
WARNING
Hot Parts can cause severe
burns.
Do not touch engine while
operating or just after stopping.
Never operate pump with heat shields or
guards removed. Do not modify pump.
Place pump in a place where pedestrians or
children are not likely to touch pump.
Be sure to carry pump only by its carrying
handles.
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.
Repairs/Service Parts
We recommend that you use a Kohler portable
dealer for all maintenance, service, and
replacement parts for engine. To find a Kohler
portable dealer visit KohlerPower.com or call
1-800-544-2444 (U.S. and Canada).
Transporting Pump
Before transporting pump, check that bolts
are correctly tightened. Pump should be
transported in its normal operating position;
never lay it on its side. Ensure where pump
is to be stored or used is carefully prepared
beforehand.
Storage
If pump is not used for a long period of time,
storage operations should be carried out as per
instructions below.
NOTE: Never operate pump without filling
pump body with water and immersing
suction strainer (N) in water
beforehand.
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 and pour
about 1 oz. of engine oil into cylinder.
Replace spark plug and crank engine slowly
to distribute oil.
3. Using clean water rinse pump and pipes
thoroughly.
4. Clean outside of pump and apply a rust-
prevention product to any worn or damaged
areas.
5. Cover pump with a protective cover to
protect it against dust and store it in a clean
and dry place.