Toro 74582 - Servicing the Spark Plug

11.Cleanaroundthedipstickandunscrewthecap
(Figure23).
12.Slowlypourapproximately80%oftheengineoil
intothellertube(
Figure23).
13.Checktheengineoillevel;refertosteps9and10of
CheckingtheEngineOilLevel.
ChangingtheEngineOilFilter
ServiceInterval:Every100hours(Changeitmore
frequentlywhenoperatingthe
machineindustyordirtyconditions.)
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil.
2.Removetheoldlterandwipeofftheadaptergasket
surface(
Figure24).
Figure24
1.Engineoillter
3.Adapter
2.Gasket
3.Applyathincoatofnewengineoiltotherubber
gasketonthenewlter(Figure24).
4.Installthenewltertothelteradapterbyturningit
clockwiseuntilthegasketcontactsthelteradapter.
5.Tightenthelteranadditional1/2to3/4turn
(
Figure24).
6.Fillthecrankcasewiththepropertypeofnewengine
oil;refertoCheckingtheEngineOilLevel.
ServicingtheSparkPlug
ServiceInterval:Every25hours—Checkthespark
plug.
Every100hours—Replacethespark
plug.
UseaChampionRC12YCorequivalentsparkplug.
Ensurethattheairgapbetweenthecenterandside
electrodesis0.030inch(0.76mm)beforeinstallingthe
sparkplug.Useasparkplugwrenchforremovingand
installingthesparkplugandagappingtoolorfeeler
gaugetocheckandadjusttheairgap.
RemovingtheSparkPlug
1.Disengagetheblades(PTO).
2.Settheparkingbrake.
3.Stoptheengineandwaitforallmovingpartstostop.
4.Removetheignitionkey.
5.Openthehood.
6.Disconnectthewirefromthesparkplug(
Figure25).
Figure25
1.Sparkplug2.Sparkplugwire
7.Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
8.Removethesparkplugandthemetalwasher
(
Figure25).
CheckingtheSparkPlug
1.Lookatthecenterofthesparkplug(Figure26).
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeansthattheaircleanerisdirty.
24