Toro 4573 - Servicing the Spark Plug

Figure22
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface.
2.Disengagetheblades(PTO).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartstostop.
5.Removetheignitionkey.
6.Openthehood.
7.Cleanaroundthedipstick(Figure23)sothatdirt
cannotfallintothellerholeanddamagetheengine.
Figure23
1.Dipstick3.Fillertube
2.Metalend4.Drainplug
8.Unscrewthedipstickandwipethemetalendclean
(Figure23).
9.Screwthedipstickfullyontothellertube
(Figure23).
10.Unscrewthedipstickagainandlookatthemetal
end.Iftheengineoillevelislow ,slowlypouronly
enoughoilintothellertubetoraisetheleveltothe
Fullmarkonthedipstick.
Important:Donotoverllthecrankcasewith
engineoilandruntheengine;enginedamage
mayresult.
ChangingtheEngineOil
ServiceInterval:Aftertherst5hours
Every50hours(Changeitmore
frequentlywhenoperatingthe
machineindustyordirtyconditions.)
1.Starttheengineandletitrunfor5minutes.
Note:Thiswarmstheoilsothatitdrainsbetter.
2.Parkthemachinesothatthedrainsideisslightly
lowerthantheothersidetoensurethattheoildrains
completely.
3.Disengagetheblades(PTO).
4.Settheparkingbrake.
5.Stoptheengineandwaitforallmovingpartstostop.
6.Removetheignitionkey.
7.Openthehood.
8.Placeapanbelowthedrainplug.
9.Removethedrainplugtoallowtheoiltodrain
(Figure23).
10.Whentheoilhasdrainedcompletely,insertthedrain
plugandtightenitsecurely.
Note:Recycletheusedengineoilproperly.
11.Cleanaroundthedipstickandunscrewthecap
(Figure23).
12.Slowlypourapproximately80%oftheengineoil
intothellertube(Figure23).
13.Checktheengineoillevel;refertosteps9and10of
CheckingtheEngineOilLevel.
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.
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