ChangingtheEngineOil
ServiceInterval:Aftertherst5hours
Yearly
1.Ensurethatthefueltankcontainslittleornofuelso
thatfueldoesnotleakoutwhenyoutipthemower
ontoitsside.
2.Runtheengineafewminutesbeforechangingthe
oiltowarmit.
Note:Warmoilowsbetterandcarriesmore
contaminants.
3.Disconnectthewirefromthesparkplug.Referto
PreparingforMaintenance.
4.Removethedipstick.
5.Tipthemowerontoitsside,withthedipstickdown,
todraintheusedoiloutthroughtheoillltube
(Figure19).
Figure19
6.Returnthemowertotheoperatingposition.
7.Slowlypouroilintotheoilllhole,wait3minutes,
andchecktheoillevelonthedipstickbywipingthe
dipstickcleanandtheninserting,butnotscrewing
in,theoilllcapintothehole.
Note:Max.ll:20oz.(0.59l),type:SAE30
orSAE10W-30detergentoilwithanAPIservice
classicationofSF,SG,SH,SJ,SL,orhigher.
Note:Filltheenginecrankcasewithoiluntilthe
dipstickindicatesthattheengineoilleveliscorrect
asshownin(
Figure20).Ifyouoverlltheengine
withoil,removetheexcessoilasdirectedin5.
Figure20
1.Theoillevelisatits
maximum.
3.Theoillevelistoo
low—addoiltothe
crankcase.
2.Theoillevelistoo
high—removeoilfrom
thecrankcase.
8.Installthedipstickandhandtightenitsecurely.
9.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Every100hours
Checkthesparkplugafterevery100operatinghours.
UseanChampionRN9YCsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
5.Setthegapontheplugto0.030inch(0.76mm)
(
Figure21).
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