Operator's Manual

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Figure18
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Carefullyinstallthesparkplugbyhand(toavoid
crossthreading)untilitishandtight.
7.Tightenthesparkpluganadditional1/2turnif
itisnew;otherwise,tightenitanadditional1/8
to1/4turn.
Important:Aloosesparkplugcanbecome
veryhotandcandamagetheengine;
overtighteningasparkplugmaydamagethe
threadsinthecylinderhead.
8.Connectthewiretothesparkplug.
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily—Inspect
theair-cleanerelements.
Every50hours—Cleantheair-lterelements.
Cleanthemmorefrequentlyindustyoperating
conditions.
Every300hours/Yearly(whichevercomes
rst)—Replacethepaperair-cleanerelement.
Replaceitmorefrequentlyindustyoperating
conditions.
RemovingtheAirFilter
Important:Donotoperatetheenginewithout
theairlterassembly;extremeenginedamage
willoccur.
1.Setthethrottletoslow,shutofftheengine,and
waitforallmovingpartstostop.
2.Disconnectthespark-plugwirefromthespark
plug.
3.Wipetheairltercover(Figure19)sothatitis
clean.
g027313
Figure19
1.Wingnut(cover)5.Foamlterelement
2.Air-ltercover6.Seal(rubber)
3.Wingnut(lter)7.Carburetorbase
4.Paperlterelement
4.Removethewingnutthatsecurestheair-lter
covertothecarburetorandremovethecover
(Figure19).
Note:Becarefultopreventdirtanddebrisfrom
fallingintothebase.
5.Removethefoamlterelementfromthepaper
lterelement(Figure19).
6.Inspectthefoamelementfordamage.
Note:Ifthefoamlterelementisdamaged,
replaceit.Ifthefoamelementisdirty,cleanit;
refertoCleaningtheFoamFilter(page14).
7.Removethewingnutthatsecuresthepaper
lterelementtothecarburetor(Figure19).
8.Removethepaperelementandinspectthe
paperlterelementfordamageandexcessive
amountsofdirtintheelement.
Note:Replacethepaperlterelementifitis
damagedorexcessivelydirty.
Note:Nevertrytocleanthepaperelement;
onlyreplaceit.
CleaningtheFoamFilter
1.Cleanthefoamlterelementinwarmsoapy
waterandrinsetheelementincleanwater,or
cleanthefoamlterelementinanonammable
solvent.
Note:Donotusefueltocleanthefoamelement
becauseitcouldcreateariskofreorexplosion.
14