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ADJUSTING
PROCEDURE
CAUTION:
DO not force plastic limiter
caps on screws beyond the built-in
stops or damage will occur.
Initial Settings
1. Turn both mixture screws (L and H)
counterclockwise until they stop.
2. Start engine, let it run for 3 minutes,
then proceed to adjust screws ac-
cording to the instructions below. If
engine performance at initial settings
is acceptable, no further adjustments
are necessary. If engine does not
start, refer to TROUBLESHOOTING
TABLE. If still unable to remedy situ-
ation, call 1-800-235-5878.
Low Speed Mixture Adjustment
- L
1. Allow the engine to idle.
2. Turn low speed mixture screw (L)
slowly clockwise until the speed be-
gins to drop.
3. Turn the low speed mixture screw
(L) counterclockwise until the speed
increases and then starts to drop
again.
4. Set the low speed mixture screw (L)
at the midpoint between the two
positions.
High Speed Mixture Adjustment
- H
CAUTION:
Adjust the mixture screw
t/16 of a turn at a time. A 1/16 turn is
about the width of the slot in the top of
the screw.
1. Run engine at full throttle.
2. Turn the high speed mixture screw
(H) counterclockwise until it stops.
3. Turn the high speed mixture screw
(H) 1/16 of a turn clockwise at a time
until the engine runs smoothly.After
completing adjustments,
check for
acceleration.
Reset if necessary.
Acceleration Check
If engine dies or hesitates instead of
accelerating,
turn the low speed mix-
ture screw (L) counterclockwise
until
you have smooth acceleration.
• _II_WARNING:
Perform the following
steps after each use:
• 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.
SEASONALSTORAGE
Prepare unit for storage at end of sea-
son or if it will not be used for 30 days
or more.
If your unit is to be stored for a period
of time:
• Clean the entire unit before lengthy
storage.
• Store in a clean dry area.
• Lightly oil external metal surfaces.
FUEL SYSTEM
Under FUELING ENGINE in the OPERA-
TION section of this manual, see mes-
sage labeled IMPORTANT regarding
the use of gasohol in your engine.
Fuel stabilizer is an acceptable aiterna-
tive in minimizing the formation of fuel
gum deposits during storage. Add stabi-
lizer to gasoline in fuel tank or fuel stor-
age container. Follow the mix instruc-
tions found on stabilizer container. Run
engine at least 5 minutes 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.
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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