Toro GrandStand 72523 - Servicing the Spark Plug

ServicingtheSparkPlug
ServiceInterval:Every200hours
Makesurethattheairgapbetweenthecenterand
sideelectrodesiscorrectbeforeinstallingthespark
plug.
Useasparkplugwrenchforremovingandinstalling
thesparkplug(s)andagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewspark
plug(s)ifnecessary.
TypeforallEngines:Kohler2513214-c,Champion
XC12YC,orequivalent
AirGap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.RemovethesparkplugasshowninFigure47.
g265991
g027478
Figure47
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g027479
Figure48
InstallingtheSparkPlug
g028109
Figure49
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