Toro GrandStand 74505 - Checking the Spark Arrester

CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
B
A
g027479
Figure42
InstallingtheSparkPlug
B
A
16 ft-lb
22 N-m
g027661
C
D
Figure43
CheckingtheSparkArrester
IfEquipped
ServiceInterval:Every50hours
WARNING
Hotexhaust-systemcomponentsmayignite
gasolinevaporsevenafteryoushutofftheengine.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials,resultingin
personalinjuryorpropertydamage.
Donotrefuelorruntheengineunlessthespark
arresterisinstalled.
1.Shutofftheengine,waitforallmovingpartstostop,
engagetheparkingbrake,andremovethekey.
2.Waitforthemufertocool.
3.Ifyouseeanybreaksinthescreenorwelds,replace
thearrester.
4.Ifthescreenisplugged,removethearrester,shake
looseparticlesoutofthearrester,andcleanthe
screenwithawirebrush(soakthescreeninsolvent
ifnecessary).
5.Installthearresterontheexhaustoutlet.
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