Toro 74002 - Page 49

RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Cleantheareaaroundthebaseoftheplug(s)to
keepdirtanddebrisoutoftheengine.
4.Locateandremovethesparkplug(s)asshown
inFigure63.
g009922
g027478
Figure63
CheckingtheSparkPlug(s)
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
g206628
Figure64
InstallingtheSparkPlug
g028109
Figure65
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