Craftsman 358.798260-32cc - Manual (Page 23)

d. DECELERATION CifEGK
1. ) Allow engine to idle, then squeeze Throttle Trig­
ger fully.
2. )Allow engine to run at full speed for about 1
second.
3. )Release the Throttle Trigger to the idle position
and listen to the deceleration of the engine. It must
return to idle smoothly and within ! to 2 seconds.
a.
If performance is satisfactory, «proceed to
Step "4.)”
b. If the engine slowly or erratically returns to
idle or idles erraticaUy, repeat “b. Idle Speed
Adjustment” or continue through Low Speed
Mixture and High Speed Mixture Adjustments
to obtain proper deceleration.
4. jRecheck idle speed.
luOT SPEE0 MIXTURE ^ ""
ADJUSTMENT SCREW LOW SPEED MIXTURE
ADJUSTMENT SCREW
IDLE SPEED
ADJUSTMENT
SCREW
AIR
FILTER
COVER
c. U»WSPlEDMlXTlIll£AD|USTMfiNT
1. jAIlow engine to idle. _____
2. Turn the Low Speed MixtureSciew slowly
clockwise until the speed starts to drop.
Note this position.
3. ) Tum the Low Speed Mixture Screw counter­
clockwise until the speed increases and then
starts to drop again. Note this position.
4. )Set the Low Speed Mixture Screw at the mid­
point between the two positions.
5. )Follow instructions in “c. Acceleration Check"
and “d. Deceleration Check.”
f. HIGH SPEED MIXTURE ADJUSTMENT
I CAUTION; I Do not operate engine at full
throttle for prolonged periods while making high
speed adjustments as damage to the engine
can occur.
1. jSupport the drive shaft housing so the trimmer
line is off the ground and wili not make contact
with any object.
2. )Allow engine to idle, then squeeze Throttle Trig­
ger fully.
NOTE: Perform steps ”3.)” through ”5.),”
at full throttle. ............................... .. .............
3. ) Turn High Speed Mixtare Screw \ery slowly
clockwise until engine speed is reduced,
4. )Turn High Speed Mixture Screw very slowly
counterclockwise. Stopwhentheenginebegins
to run roughly.
5. jTlim the screw slowly the minimum amount
clockwise until the engine runs smoothly.
6. ) Follow instructions in “c. Acceleration Check”
and “d. Deceleration Check.”
' [CAunoNTl If the engine does not operate
according to these instructions after repeating
the adjusting steps, do not use the tool. Take
it to your Sears Service Center.
g. REINSTALL AIR FILTER
Be sure filter is clean. See “Air Filter" for
instructions.
I CAUTION; i
Fit air filter into the corners of the
housing to keep dirt from entering the engine and
causing engine damage. ' .
D. SmBXCRROPE
A danger
Never start the engine with the clutch shroud removed.
The clutch wi^ fly apart and cause serious injury.
ikWARmNG
Do not remove the retaining tab and screw to remove
pulley. The spring beneath the pullQ' is under tension
and can fly out causing serious injury. If any part of the
P u U q 'hoiKing assemHy is damaged other than the rope,
do not use the tool. Ikke it to your Sears Service Center.
1 .
2 .
3.
4.
Disconnect Spark Plug Wire. .............
Remove the Screw and Nut in the Throttle Trigger
Housing. Hold the Throttle Trigger away fiom Drive
Shaft Housing and remove Throttle Cable from
Trigger. Pull Cable out of Foam Grip
tunnel.
RemcA'c the four Clutch Shroud Screws m shown in
with ihe^fiiali hex Wfefleh pfevlded.
Separate the Clutch Shroud tom the Engine.
A danger
Use only ahandUiol to remove the clutch. Donotuseany
typeofmotormdtoolbrsirikedtedtUchinanyway. Otker-
wise, the clutch will fly apcai and cause serious injury.
REMOVE SCREWS
SPARK
PWQ
ШЁ
Shown without Drive Shaft
Housing for clariU'.
CLUTCH “FLATS”
CLUTCH
SHROUD
23