Download Craftsman 358.797030 Operating instructions

Werecommend
allserviceandadjust- engine does notstart, referto troublementsnotlistedinthismanual
beper- shootingchart or call 1-800-235-5878.
formed by yourSears Service Center.
CARBURETOR ADJUSTMENT
Carburetoradjustmentis criticaland if
doneimproperlycan permanentlydamage the engineas well as the carburetor.tf you requirefurther assistanceor
are unsureaboutperformingthisprocedure,call ourcustomerassistance
helplineat 1-800-235-5878.
Old fuel, a dirtyair filter,a dirtyfuel filter, or flooding may give the impression
of an improperlyadjustedcarburetor.
Check theseconditionsbeforeadjustingthe carburetor.
The carburetorhas been carefullyset
at the factory. Adjustmentsmay be
necessaryif you noticeany of the followingconditions:
• Enginewilt not idle. See =IdleSpeed"
and =Mixture"under adjusting
procedure.
• Enginedies or hesitatesinstead of
accelerating.See =Acceleration
Check"underadjustingprocedure.
o Lossof power.See =Mixture" under
adjustingprocedure.
If engineperformanceis acceptableat
the presetpositions,no further adjustmentsare necessary.
_dleSpeed
Screw
Mixture Screw
(withUrniterCap)
ADJUSTING PROCEDURE
Idle Speed "IDLE"
Allow engineto idle.Adjust speed until
enginerunswithoutstalling.
° Turn clockwiseto increaseengine
speed if enginestalls or dies.
• Turncounterclockwiseto decrease
speed.
No furtheradjustments .performanceis satisfactory.
Mixture "MIX"
Allowengineto idle. Then accelerate
CARBURETOR PRESETS
the engineand note performance.If
When makingcarburetorpresetadjust- enginehesitates,bogsdown, or
ments,do not force plasticlimitercape smokesduringacceleration,tum mixbeyondthe stopsor damage willoccur. turs screwclockwisein 1/16-tumincreIf carburetorpresets are not needed,
ments untilperformanceis satisfactory.
proceedto =ADJUSTINGPROCEDURE, Repeat thisprocedureas necessary
Idle Speed."
forproperadjustment.After completing
To adjustpresets:
adjustments,checkfor acceleration.
• Turnthe mixturescrewcounterclock- Resetif necessary.
wise untilit stops.
Acceleration Check
° Turn the idlespeed screwclockwise If engine diesor hesitatesinsteadof
untilit stops. Now turn countemlock- accelerating, turn mixturescrew counwise4-1/2turns.
terclockwiseuntilyou have smoothacStartmotor,letit runfor 3 minutes,and celeration.Recheck and adjustas necproceedto the adjustment section.If
essaryfor acceptableperformance.
Prepareunitfor storageat end of season or if itwill not be used for 30 days
or more.
WARNING:
• Allowengineto cool, and secure the
unitbefore storingor transporting.
-9-
• Store unitand fuel in a well ventilated
area where fuel vaporscannotreach
sparksor open flamesfrom water
heaters,electricmotorsor switches,
furnaces, etc.