Toro 74956 - Checking the Spark Plug; Installing the Spark Plug; Check Spark Arrester (if equipped)

CheckingtheSparkPlug
Important:Replacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,cracksor
reuseisquestionable.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.030inches(0.76mm).
G008794
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2
Figure53
InstallingtheSparkPlug
Tightenthesparkplug(s)to18-22ft.-lb(24.4–29.8N-m).
Figure54
CheckSparkArrester(if
equipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineisstopped.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
DoNotrefuelorrunengineunlesssparkarrester
isinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacethearrester.
4.Ifpluggingofthescreenisobserved,removethe
arresterandshakelooseparticlesoutofthearrester
andcleanscreenwithawirebrush(soakinsolventif
necessary).Reinstallarresteronexhaustoutlet.
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