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ADJUSTING PROCEDURE
Idle Speed
Allow engine to idle. Adjust speed until
engine runs without stalling.
• Turn clockwise to increase engine
speed if engine stalls or dies.
• Turn counterclockwise to decrease
speed.
No further adjustments are necessary
if performance is satisfactory.
Mixture Adjustment "H"
DO NOT operate engine at full throttle
for prolonged periods while making ad-
justments. Damage to the engine can
occur. Extend line to the length allow
by the line limiter and cut some grass.
Based on performance while cutting,
turn the mixture adjustment in
1/16-turn increments as follows:
• Clockwise until the engine has good
power while cutting with no hesita-
tion.
Do not adjust by sound or speed, but
judge by how well the engine per-
forms while cutting.
• Counterclockwise if the engine has
speed but dies or lacks power while
cutting.
After completing adjustments, check
for acceleration. Reset if necessary.
Acceleration Check
If engine dies or hesitates instead of
accelerating, turn mixture adjustment
counterclockwise until you have
smooth acceleration. Recheck and ad-
just as necessary for acceptable per-
formance.
Prepare unit for storage at end of sea-
son or if it will not be used for 30 days
or more.
WARNING:
• Allow engine to cool, and secure the
unit before storing or transporting.
• Store unit and fuel in a well venti-
lated area where fuel vapors cannot
reach sparks or open flames from
water heaters, electric motors or
switches, furnaces, etc.
• Store unit with all guards in place.
Position unit so that any sharp object
cannot accidentally cause injury.
• Store unit and fuel well out of the
reach of children.
EXTERNAL SURFACES
If your unit is to be stored for a period
of time, clean it thoroughly before stor-
age. Store in a clean dry area.
• Lightly oil external metal surfaces.
FUEL SYSTEM
Under Fueling Engine in the Operating
Section of this manual, see message
labeled IMPORTANT regarding the use
of gasohol in your engine.
Fuel stabilizer is an acceptable alter-
native in minimizing the formation of
fuel gum deposits during storage. Add
stabilizer to the gasoline in the fuel
tank or fuel storage container. Follow
the mix instructions found on stabilizer
container. Run engine at least 5 min-
utes after adding stabilizer.
CRAFTSMAN 40:1,2-cycle engine oil
(air cooled) is already blended with
fuel stabilizer. If you do not use this
Sears oil, you can add a fuel stabilizer
to your fuel tank.
INTERNAL ENGINE
• Remove spark plug and pour 1 tea-
spoon of 40:1,2-cycle engine oil (air
cooled) through the spark plug open-
ing. Slowly pull the starter rope 8 to
10 times to distribute oil.
• Replace spark plug with new one of
recommended type and heat range.
• Clean air filter.
• Check entire unit for loose screws,
nuts, and bolts. Replace any dam-
aged, broken, or worn parts.
• At the beginning of the next season,
use only fresh fuel having the proper
gasoline to oil ratio.
OTHER
• Do not store gasoline from one sea-
son to another.
• Replace your gasoline can if it starts
to rust.
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