Toro TimeCutter 75734 - Page 33

2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.Allowtheenginetocool.
3.Cleantheareaaroundthebaseoftheplugto
keepdirtanddebrisoutoftheengine.
4.Removethesparkplug(Figure38).
g027478
Figure38
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
g206628
Figure39
InstallingtheSparkPlug
g027480
Figure40
CleaningtheCoolingSystem
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andmovethe
motion-controlleversoutwardtothePARK
position.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.Topreventdebrisenteringtheairintake,install
theairltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengine
shroud.
8.Installtheairlter.
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