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• Turn IDLE screw clockwise to in-
crease idle speed.
• Turn IDLE screw counterclockwise
to decrease idle speed.
m_WARNING: Recheck the idle
speed after each adjustment. The
blade must not move at idle speed to
avoid serious injury to the operator and
others.
Low Speed Mixture - L
1. Allow the engine to idle.
2. Turn low speed mixture screw (L)
slowly clockwise until the speed
starts 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.
Readjust the idle speed (see IDLE
SPEED ADJUSTMENT).
High Speed Mixture -H
CAUTION: Do not operate engine at full
throttle for prolonged periods while mak-
ing high speed adjustments as damage
tothe engine can occur. Adjust the high
speed screw 1/1 6 of a turn at a time. A
1/16 turn is about the width of the slot in
the top of the screw.
1. Allow the engine to idle.
2. Squeeze the throttle trigger fully.
Turn the high speed mixture screw
(H) counterclockwise until it stops.
3. Turn the high speed mixture screw
(H) screw the minimum amount
clockwise until the engine runs
smoothly.
After completing adjustments, check
for acceleration and blade movement
at idle. Reset if necessary.
Acceleration Check
If the engine dies or hesitates instead
of accelerating, turn the low speed mix-
ture screw (L) counterclockwise until
you have smooth acceleration with no
blade movement at idle.
CAUTION: If the engine does not oper-
ate according to these instructions after
repeating the adjusting steps, do not
use the unit. Take it to your Sears Serv-
ice Center.
,_ 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 ventilated
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.
Prepare unit for storage at end of sea-
son or if it will not be used for 30 days
or more.
EXTERNAL SURFACES
• If your unit is to be stored for a period
of time, clean it thoroughly before
storage. Store in a clean dry area.
• Lightly oil external metal surfaces, in-
cluding the blade.
To oil the blade, do the following:
• Stop the engine and allow blade to
come to a complete stop.
• Disconnect the spark plug wire.
• Clean all parts and check for damage.
Have damaged parts repaired or re-
placed by your Sears Service Center.
• Apply a light machine oil along the
edge of the top strap as shown.
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 alterna-
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 instructions
-9-
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