Operators Manual

CARBURETO
IDLE SPEED ADJUSTMENT
1. Allow engine toidle.
2. Adjust idle speed screw just below clutch engage-
ment speed. The cutting attachment should not ro-
tate. The proper idle speed is 2600 to 3400 R.P.M.
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NOTE:
1
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Turning the screw clockwise will increase engine ~
R.P.M. counterclockwise will decrease R.P.M. ~
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CAUTION
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THE TRIMMER HEAD
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MUST NOT ROTATEATIDLE.
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RECHECK IDLE SPEED AFTER EVERY
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CARBURETOR ADJUSTMENT.
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LOW SPEED
MIXTURE ADJUSTMENT
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L
NOTE:
1.
2.
3.
4.
Idle adjustment should be preformed prior to low
speed adjustment, for accurate carburetor setting.
Allow engine to warm up 2 to 3 minutes.
Turn low speed mixture screw slowly clockwise
untilengine speed startstodrop (lean) without stalling
the engine. Note this position.
Turn low speed mixture screw counterclockwise
until engine speed increases then starts to drop again
(rich) without stalling the engine. Note this position.
Set the low speed mixture screw at the mid-point be-
tween the two positions.
NOTE:
The proper idle speed is from 2600 to 3400 R.P.M.
t&FUEL
SYSTEMS
UxE
23