Toro 58602 - Servicing the Spark Plug

ServicingtheSparkPlug
ServiceInterval:Every100hoursoryearly,
whichevercomesrst
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplug(s)andagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewspark
plug(s)ifnecessary.
Type:ChampionRN9YCorequivalent
Airgap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.Disconnectthespark-plugwirefromthespark
plug.
g339525
Figure20
1.Spark-plugwire
2.Cleanaroundthesparkplugstopreventdirt
fromenteringtheengineandpotentiallycausing
damage.
3.Removethesparkplug.
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g027479
Figure21
InstallingtheSparkPlug
g027480
Figure22
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