Toro GrandStand 74589 - Servicing the Spark Plug

ChangingtheEngine-OilFilter
ServiceInterval:Every200hours
Note:Changetheengine-oilltermorefrequentlywhen
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil(page34).
2.Placearagundertheoilltertosoakupanyspilledoil.
Important:Spilledoilmaydrainundertheengine
andontotheclutch.Oilspilledontheclutchmay
damagetheclutch,causethebladestostopslowly
whentheclutchisintheOffposition,andcause
theclutchtoslipwhentheclutchisswitchedto
theOnposition.Wipeupanyspilledoil.
3.Changetheengine-oillter(Figure45).
G008748
3/4
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2
3
4
5
6
Figure45
Note:Ensurethattheoil-ltergaskettouchesthe
engine,andthenanextra3/4turniscompleted.
4.Fillthecrankcasewiththepropertypeofnewoil;refer
toChangingtheEngineOil(page34).
ServicingtheSparkPlug
ServiceInterval:Every200hours
Makesuretheairgapbetweenthecenterandsideelectrodes
iscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstallingthespark
plug(s)andagappingtool/feelergaugetocheckandadjust
theairgap.Installanewsparkplug(s)ifnecessary.
TypeforallEngines:Kohler2513214-cChampion
XC12YCorequivalent
AirGap:0.75mm(0.03inch)
RemovingtheSparkPlug
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.RemovethesparkplugasshowninFigure46.
Figure46
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.75mm(0.03inch).
G008794
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2
Figure47
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