Toro TimeCutter 75748 - Servicing the Spark Plug; Checking the Spark Plug

g373565
Figure38
7.Disposeoftheusedoilatarecyclingcenter.
ServicingtheSparkPlug
ServiceInterval:Yearly—Changethesparkplug(s).
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtoolorfeelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
Type:BriggsandStratton
®
491055orChampion
®
XC92YC
Airgap:0.76mm(0.03inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andmovethe
motion-controlleversoutwardtothePARK
position.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.Allowtheenginetocool.
3.Cleantheareaaroundthebaseoftheplugto
keepdirtanddebrisoutoftheengine.
4.Removethesparkplug(Figure39).
g027478
Figure39
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure40
InstallingtheSparkPlug
g027480
Figure41
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