Toro 75930 - Checking the Spark Arrester

CheckingtheSparkPlug
Important:Replacethesparkplug(s)whenit
has:ablackcoating,wornelectrodes,anoilylm,
cracksorreuseisquestionable.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeansthattheaircleanerisdirty.
Setthegapto0.76mm(0.030inches).
g027479
Figure55
InstallingtheSparkPlug
Tightenthesparkplug(s)to24.4to29.8N-m(18to
22ft-lb).
g027735
Figure56
CheckingtheSpark
Arrester
ForModelswithaSparkArrester
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
fuelvaporsevenafteryoushutofftheengine.
Hotparticlesexhaustedduringengine
operationmayigniteammablematerials.
Firemayresultinpersonalinjuryorproperty
damage.
Donotfuelorruntheengineunlessaspark
arresterisinstalled.
1.Shutofftheengine,waitforallmovingpartsto
stop,removethekey,andengagetheparking
brake.
2.Waitforthemufertocool.
3.Ifthereareanybreaksinthescreenorwelds
areobserved,replacethearrester.
4.Ifthescreenisplugged,removethearrester
andshakelooseparticlesoutofthearrester,
andcleanthescreenwithawirebrush(soakin
solventifnecessary).
5.Installthearresterontheexhaustoutlet.
44