Toro 41177 - Changing the Spark Plugs

Figure51
1.Oildrainplug
6.Whentheoilhasdrainedcompletely,replacethe
drainplugandtorqueitto10ft-lb(13.6N-m).
7.Disposeoftheusedoilatacertiedrecyclingcenter.
8.Slowlypourapproximately80%ofthespecied
amountofoilintotheoilllertube(Figure50).
9.Checktheoillevel.
10.Slowlyaddadditionaloiltobringtheoilleveltothe
fullmarkonthedipstick.
Important:Overllingthecrankcasewithoil
maycauseenginedamage.
ChangingtheEngineOilFilter
ServiceInterval:Every100hours
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil.
2.Removetheoillter(Figure52).
Figure52
1.Oillter
2.Filteradapter
3.Wipethelteradaptergasketsurface.
4.Applyathincoatofnewoiltotherubbergasket
onthereplacementlter.
5.Installthereplacementoilltertothelteradapter.
Turntheoillterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightenthelteran
additional1/2turn(Figure52).
6.Fillthecrankcasewiththecorrecttypeofnewoil;
refertoChangingtheEngineOil,steps8through10.
7.Disposeoftheusedoillteratacertiedrecycling
center.
ChangingtheSparkPlugs
ServiceInterval:Every200hours
Type:ChampionRC-12YC(orequivalent)
AirGap:0.030inch(0.76mm)
Makesuretheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplugs.
Useasparkplugwrenchforremovingandinstallingthe
sparkplugsandagappingtool/feelergaugetocheck
andadjusttheairgap.
RemovingtheSparkPlug
1.Settheparkingbrake,stopthepump,stopthe
engine,andremovetheignitionkey.
2.Releasethelatchonthebackoftheseatandliftthe
seatforward.
3.Pullthewiresoffthesparkplugs(Figure53).
4.Cleanaroundthesparkplugstopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
5.Removethesparkplugsandmetalwashers.
Figure53
1.Sparkplugwire2.Sparkplug
CheckingtheSparkPlugs
1.Lookatthecenterofthesparkplugs(Figure54).
Ifyouseealightbrownorgraycoatingonthe
insulator,theengineisoperatingproperly.Ablack
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