Toro SGR-6 - Servicing the Spark Plug

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Figure17
6.Disposeoftheusedoilatarecyclingcenter.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthespark
plug.
Every300hours—Replacethesparkplug.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
Type:BPR6ES(NKG)orequivalent
AirGap:0.70to0.80mm(0.28to0.031inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengine,waitforallmovingpartsto
stop,andallowtheenginetocool.
3.Locateandremovethesparkplug(Figure18).
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g027478
Figure18
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.70to0.80mm(0.28to0.031inch).
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Figure19
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