Toro 75303 - Spark Plug Service

g235264
Figure36
7.Disposeoftheusedoilatarecyclingcenter.
ServicingtheSparkPlug
ServiceInterval:Every100hoursoryearly,
whichevercomesrst—Checkthe
sparkplug(s).
Every200hoursor2years,whichevercomes
rst—Replacethesparkplug(s).
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtoolorfeelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
Type:Champion
®
RN9YCorNGK
®
BPR6ES
Airgap:0.76mm(0.03inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Cleantheareaaroundthebaseoftheplugto
keepdirtanddebrisoutoftheengine.
4.Removethesparkplug(Figure37).
g027478
Figure37
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure38
InstallingtheSparkPlug
g027960
Figure39
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