Toro 74523 - Servicing the Spark Plug

ChangingtheEngine-OilFilter
ServiceInterval:Every200hours
Note:Changetheengine-oilltermorefrequentlywhen
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;referto(page).
2.Changetheengine-oillter(Figure43).
B
A
C D
E
F
3/4
g027477
Figure43
Note:Ensurethattheoil-ltergaskettouchesthe
engine,thenrotatethelteranextra3/4turn.
3.Fillthecrankcasewiththepropertypeofnewoil;refer
to(page).
ServicingtheSparkPlug
ServiceInterval:Every200hours
Makesurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstallingthespark
plug(s)andagappingtool/feelergaugetocheckandadjust
theairgap.Installanewsparkplug(s)ifnecessary.
TypeforallEngines:Kohler2513214-c,Champion
XC12YC,orequivalent
AirGap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.RemovethesparkplugasshowninFigure44.
B
A
g027478
Figure44
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
B
A
g027479
Figure45
34