Toro 77285 - Servicing the Spark Plug(s)

g235264
Figure62
7.Disposeoftheusedoilatarecyclingcenter.
ServicingtheSparkPlug(s)
ServiceInterval:Every100hoursoryearly,
whichevercomesrst—ForToro
engines—checkthesparkplug(s).
Every200hours/Every2years(whichever
comesrst)—ForT oroengines—replacethe
sparkplug(s).
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtoolorfeelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
Type:Champion
®
RN9YCorNGK
®
BPR6ES
Airgap:0.76mm(0.03inch)
RemovingtheSparkPlug(s)
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Cleantheareaaroundthebaseoftheplugto
keepdirtanddebrisoutoftheengine.
4.Locateandremovethesparkplug(s)asshown
inFigure64.
g036857
g027478
Figure63
CheckingtheSparkPlug(s)
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.76mm(0.03inch).
g206628
Figure64
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