Toro 74906 - Checking the Spark Plugs; Installing the Spark Plugs

Figure54
1.Pullthistabouttothe
sideinthedirectionofthe
arrow.
3.Pulltheshroudoffofthis
frametabinthedirection
ofthearrow.
2.Pulltheshroudoffofthis
frametabinthedirection
ofthearrow.
4.Shroud
4.Removethesparkplugs.
G008803
Figure55
5.Installthelefthandhydraulicunitshroud(Figure54).
CheckingtheSparkPlugs
Important:Replacethesparkplugswhentheyhave:a
blackcoating,wornelectrodes,anoilylm,cracksor
reuseisquestionable.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meansthattheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
G008794
1
2
Figure56
InstallingtheSparkPlugs
Tightenthesparkplugsto24.4to29.8N-m(18to22ft.-lb).
3
2
1
G015200
Figure57
38