Toro HoverPro 550 - Servicing the Spark Plug

machineistippedinanotherdirection,oil
mayllthevalvetrain—requiringatleast30
minutestodrain.
7.Returnthemachinetotheoperatingposition.
8.Cleanspilledoilfromthemachine.
Note:Disposeoftheusedoilproperlyatalocal
recyclingcenter.
AddingOiltotheEngine
OilCapacity:0.40L(13.5oz)
1.Slowlypourthespeciedengineoilintothe
oil-llerneck(Figure35)andwait3minutes.
g364716
Figure37
2.Insertthedipstickintotheoil-llerneck,then
removethedipstick.
Important:Donotthreadthedipstickinto
thellerneck.
3.Checktheoillevelonthedipstick(Figure38).
Note:Ifyouoverlltheenginewithoil,drain
theexcessoil;refertoDrainingtheEngineOil
(page20).
g017332
Figure38
1.Theoillevelisatits
maximum.
3.Theoillevelistoo
low—addoiltothe
crankcase.
2.Theoillevelistoo
high—removeoilfrom
thecrankcase.
4.Iftheoillevelisbelowtheupperlimit,wipe
thedipstickwithacleanragandrepeatsteps
1through3untiltheengine-oillevelisatthe
upperlimitmark.
5.Insertthedipstickintotheoil-llerneckand
handtightenthedipsticksecurely.
ServicingtheSparkPlug
ServiceInterval:Every100hours
SparkPlugSpecication:ChampionRN9YCor
equivalent.
1.Preparethemachineformaintenance;referto
PreparingforMaintenance(page18).
2.Cleanaroundthesparkplug.
3.Removethesparkplugfromthecylinderhead.
Important:Replaceaworn,damaged,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercan
damagetheengine.
4.Adjusttheairgap(Figure39)betweenthe
centerelectrodeandsideelectrodeto0.76mm
(0.030inch).
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