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• Lossofcuttingpower.SeeMIXTURE
ADJUSTMENTunderadjusting
procedure.
Therearetwoadjustmentscrewson
thecarburetor,amixturescrewandan
idlespeedscrew.
_dle Speed
"__'_ Screw
MixtureScrew_4,'_ AirFilter
(withLimiterm_-_
Cap)_ Oover
ADJUSTING PROCEDURE
CAUTION: Do not force plastic limiter
caps on screws beyond the built-in
stops or damage will occur. Be sure
trimmer line is extended to the maxi-
mum length allowed by the line limiter
blade.
Initial Settings:
1= Turn mixture screw counterclock-
wise until it stops.
2= Turn the idle speed screw clockwise
until it stops. Now turn counterclock-
wise 4 1/2 turns.
3= Start engine, cut grass for 3 min-
utes, then proceed to adjust screws
according to the instructions below.
If engine performance at initial set-
tings is acceptable, no further ad-
justments are necessary. If engine
does not start, refer to TROUBLE-
SHOOTING TABLE. Ifstill unable to
remedy situation, call
1-800-235-5878.
Idle Speed
Allow engine to idle. Adjust speed until
engine runs without stalling.
Turn idle speed screw clockwise to
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.
Mixture Adjustment
CAUTION: Do not operate engine at
full throttle for prolonged periods 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.
• Turn the mixture screw clockwise
until the engine has good power
with no hesitation while cutting.
Do not adjust by sound or speed,
but judge by how well the engine
performs while cutting.
• Turn the mixture screw counter-
clockwise 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 the mixture screw
counterclockwise until you have
smooth acceleration.
,tt
_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 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 ob-
ject 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
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 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=
11
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