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can create a fire hazard or produce
harmful evaporative emissions.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Apply a few drops of oil to the filter;
squeeze filter to distribute oil.
6. Replace parts.
REPLACE SPARK PLUG
Replace spark plug each year to en-
sure the engine starts easier and runs
better. Set spark plug gap at .025 in.
Ignition timing is fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder
and discard.
3. Replace with Champion RCJ-8Y
spark plug and tighten with a 3/4 in.
socket wrench (10-12 ft.-lbs).
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by run-
ning it dry of fuel, then remove fuel
We recommend all service and adjust-
ments not listed in this manual be per-
formed by your Sears Service Center.
CARBURETOR ADJUSTMENT
Carburetor adjustment is critical and if
done improperly can permanently
damage the engine as well as the car-
buretor. If you require further assis-
tance or are unsure about performing
this procedure, call our customer as-
sistance help line at 1-800-235-5878.
Old fuel, a dirty air filter, a dirty fuel fil-
ter, or flooding may give the impres-
sion of an improperly adjusted carbu-
retor. Check these conditions before
adjusting the carburetor.
The carburetor has been carefully set
at the factory. Adjustments may be
necessary if you notice any of the fol-
lowing conditions:
• Engine will not idle. See
IDLE SPEED
and
under adjusting
MIXTURE
procedure.
• Engine dies or hesitates instead of
accelerating. See
ACCELERATION
CHECK under adjusting procedure.
• Loss of power. See
MIXTURE
adjusting procedure.
cap/retainer assembly from tank. Pull
filter from tank and remove it from the
fuel line. Install new fuel filter on fuel
line; reinstall parts.
CHECK MUFFLER BOLTS
A
WARNING: Avoid touching muf-
fler unless engine is cold. A hot muf-
fler can cause serious burns.
Once each year, ensure muffler bolts
are secure and tightened properly to
prevent damage. Remove muffler cov-
er and tighten the two muffler bolts
(100 in/Ibs).
111111=
ADJUSTING PROCEDURE
CAUTION: Do not force plastic limiter
caps on screws beyond the built-in
stops or damage will occur.
Initial Settings
1. Turn the mixture screw counter-
clockwise until it stops.
2. Turn the idle speed screw clock-
wise until it stops. Now turn coun-
terclockwise 4-1/2 turns.
3. Start motor and let it run for 3 min-
utes, then proceed to adjust
screws according to the instruc-
tions below. If engine performance
under
at initial settings is acceptable, no
further adjustments are necessary.
'
1
le Speed
Screw
Screw
Cap)
miter
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