Toro 74917 - Check Spark Arrester (if Equipped)

CheckingtheSparkPlug
Important:Nevercleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablack
coating,wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.030inches(0.76mm).
G008794
1
2
Figure52
InstallingtheSparkPlug
Tightenthesparkplug(s)to16ft.-lb(22N-m).
Figure53
CheckSparkArrester(if
equipped)
ServiceInterval:Every50hours
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineis
stopped.Hotparticlesexhaustedduringengine
operationmayigniteammablematerials.
Firemayresultinpersonalinjuryorproperty
damage.
DoNotrefuelorrunengineunlessspark
arresterisinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacethearrester.
4.Ifpluggingofthescreenisobserved,removethe
arresterandshakelooseparticlesoutofthearrester
andcleanscreenwithawirebrush(soakinsolventif
necessary).Reinstallarresteronexhaustoutlet.
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