Toro 74621 - Engine Maintenance: Filters and Spark Plug; Changing Oil Filter and Servicing Spark Plug

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Figure30
1.Oilllhole3.Oildrainhose
2.Drainvalve4.Pan
7.Turnthedrainvalve1/4counterclockwiseto
openandallowtheoiltodrain.Removetheoilll
cap/dipstick(Figure30).
8.Whenoilhasdrainedcompletely,closetheoildrain
valve.Removetheoildrainhoseandwipeupany
excessoilontheframe.
Note:Disposeoftheusedoilatacertiedrecycling
center.
9.Changetheoillter;refertoChangingtheOilFilter.
10.Slowlypourapproximately80%ofthespecied
amountofoilintothellhole(
Figure30).Check
theoillevel;refertoCheckingtheOilLevel.
11.Installtheoilllcap/dipstick.
ChangingtheOilFilter
ServiceInterval:Every100hours
Note:Changetheoilltermorefrequentlywhenthe
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;refertoChanging
theOil.
2.Removetheoldoillterandwipethelteradapter
(
Figure31)gasketsurface.
Figure31
1.Oillter
3.Filteradapter
2.Gasket
3.Applyathincoatofnewoiltotherubbergasketon
thenewoillter(Figure31).
4.Installthenewoilltertothelteradapter.
5.Turntheoillterclockwiseuntiltherubbergasket
contactsthelteradapter,thentightentheoillter
anadditional1/2to3/4turn(
Figure31).
6.Slowlypourabout80%ofthespeciedamountof
oilintothellhole(Figure29).Checktheoillevel;
refertotheCheckingtheOilLevelprocedure.
ServicingtheSparkPlug
ServiceInterval:Every50hours—Checkthespark
plug.
Every100hours—Replacethespark
plug.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.Use
asparkplugwrenchforremovingandinstallingthespark
plugandagappingtoolorfeelergaugetocheckand
adjusttheairgap.Installanewsparkplugifnecessary.
Type:ChampionRC12YC,Autolite3924,NGK
BCPR6ESorequivalent
AirGap:0.030inch(0.76mm)
RemovingtheSparkPlug
1.Disengagethebladecontrol(PTO).
2.Stoptheengine,waitforallmovingpartstostop,and
removethekeybeforeleavingtheoperatingposition.
3.Disconnectthewirefromthesparkplug(
Figure32).
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