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3. Start engine,cut grass
for 3 min-
utes, then proceed to adjust
screws according to the instruc-
tions below. If engine perfor-
mance at initial settings is accept-
able, no further adjustments are
necessary. If engine does not
start, refer to TROUBLESHOOTING
TABLE. If still unable to remedy sit-
uation, call 1-800-235-5878.
Idle Speed
Allow engine to idle. Adjust speed until
engine runs without stalling.
Turn idle speed screw clockwiseto
increase engine speed if engine
stalls or dies.
•
Turn idle speed screw counterclock-
wise to decrease engine speed.
No further adjustments are necessary
if performance is satisfactory.
Low Speed Mixture Adjustment
- L
1. Allow the engine to idle.
2. Turn low speed mixture screw (L)
slowly clockwise until the speed
begins to drop.
3. Turn the low speed mixture screw
(L) counterctockwise 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).
High Speed Mixture
Adjustment
- H
CAUTION:
Do not operate engine at
full throttle for prolonged pedods while
making adjustments as damage to the
engine can occur. Adjust the mixture
screw 1/16 of a turn at a time. A 1/16
turn is about the width of the slot in the
top of the screw.
1. 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 highspeed mixture screw
(H) 1/16 of a turn clockwiseat a
time untilthe 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.
WARNING:
Perform the follow-
ing 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.
SEASONAL STORAGE
Prepare unit for storage at end of sea-
son or if it will not be used for 30 days
OF 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 extemal 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
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.
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