Toro 74955 - Installing the Spark Plug; Checking the Spark Arrester

G008803
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A
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Figure51
5.Installthelefthydraulicunitshroud(Figure50).
CheckingtheSparkPlug
Important:Replacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,cracksor
reuseisquestionable.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inches).
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A
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Figure52
InstallingtheSparkPlug
Tightenthesparkplug(s)to24.4–29.8N-m(18-22ft.-lb).
Figure53
ChecktheSparkArrester(if
equipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineisstopped.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresultin
personalinjuryorpropertydamage.
Donotrefuelorrunengineunlesssparkarrester
isinstalled.
1.Stoptheengine,waitforallmovingpartstostop,and
removethekey.Engagetheparkingbrake.
2.Waitforthemachinetocool.
3.Ifthereareanybreaksinthescreenorweldsare
observed,replacethearrester.
4.Ifthescreenisplugged,removethearresterandshake
looseanyparticlesoutofthearresterandcleanthe
screenwithawirebrush(soakinsolventifnecessary).
Installthearresteronanexhaustoutlet.
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