Toro 07277 - Servicing the Spark Plugs

Figure35
1.Engineoildrainplug
2.Engineoillter
6.Pouroilintothellopeninguntiltheoillevelisup
totheFullmarkonthedipstick.Addtheoilslowly
andchecktheleveloftenduringthisprocess.Do
notoverll.
7.Installtheoilllcapanddipstickrmlyinplace.
ChangingtheOilFilter
Replacetheoillterevery100operatinghoursoryearly,
whicheveroccursrst.
1.Draintheoilfromtheengine;refertoChanging
theOil.
2.Removetheexistingoillter(Figure35).
3.Applyalightcoatofcleanoiltothenewltergasket.
4.Screwthenewlteronuntilthegasketcontactsthe
mountingplate,thentightenthelteranadditional
1/2to3/4turnfurther.Donotovertighten.
5.Fillthecrankcasewiththepropertypeofnewoil.
6.Startandruntheenginetocheckforleaks.
7.Stoptheengineandchecktheoillevel.Addoilif
necessary.
ServicingtheSparkPlugs
Replacethesparkplugsafterevery800operatinghours
oryearly,whicheveroccursrst,toensureproperengine
performanceandreducetheexhaustemissionlevel.
Type:ChampionRC14YC(orequivalent)
AirGap:0.030inch(0.762mm)
Note:Thesparkplugsusuallylastalongtime;however,
theplugsshouldberemovedandcheckedwheneverthe
enginemalfunctions.
1.Cleantheareaaroundthesparkplugssothatforeign
mattercannotfallintothecylinderwhenthespark
plugisremoved.
2.Pullthesparkplugwiresoffofthesparkplugsand
removetheplugsfromthecylinderhead.
3.Checktheconditionofthesideelectrode,center
electrode,andcenterelectrodeinsulatortoensure
thatthereisnodamage(Figure36).
Figure36
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important:Acracked,fouled,dirty,or
malfunctioningsparkplugmustbereplaced.Do
notsand-blast,scrape,orcleantheelectrodesby
usingawirebrushbecausegritmayeventually
releasefromtheplugandfallintothecylinder.
Theresultisusuallyadamagedengine.
4.Settheairgapbetweenthecenterandsideelectrodes
at0.030inch(0.762mm)(Figure36).
5.Installthecorrectlygappedsparkplugandtighten
theplugto18-22ft-lb(24-30N-m).Ifatorque
wrenchisnotused,tightentheplugrmly.
6.Installthesparkplugwires.
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