Mfg. Co. Inc. Lawn Mower User Manual

Maintenance
ChangeOilFilter
(EC21KA,EC21KABBC,
EC21KAX,EC21KAY ,
EC21KABBCX,
EC21KABBCY,EC21KACA,
andEC21KABBCCA)
ServiceInterval:Every100hours
1.Runtheenginetowarmtheoil.
2.Stoptheengineandwaitforallmovingpartsto
stop.
3.Disconnectthewirefromthesparkplug.
4.Draintheengineoil.
5.Placearagundertheoilltertocatchanyoilthat
mayleakoutasyouremovethelter.
6.Removetheoillter.
7.Useyourngertocoatthegasketonthenew
lterwithcleanengineoil(seeFigure30).
Figure30
1.Gasket
8.Installthenewlterandhandtightenit2/3turn
only.
9.FillthecrankcasetotheFulllineonthedipstick
withfreshoil.
10.Connectthewiretothesparkplug.
11.Runtheengineforabout3minutes.
12.Stoptheengine,waitforallmovingpartstostop,
andcheckforoilleakagearoundthelter.
13.Addoiltocompensatefortheoilintheoillter.
14.Recycletheusedoillteraccordingtolocalcodes.
CheckConditionOfBelt
(Self-PropelledUnitsOnly)
ServiceInterval:Every40hours
1.Stopengine,waitforallmovingpartstostop.
2.Removethebeltcovertothelawnmowerhousing.
3.Checkthebeltforcracks,frayededges,burn
marksoranyotherdamage.
4.Replacethedamagedbelt.
CheckSparkPlugs
ServiceInterval:Every100hours
1.Stoptheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug
(Figure10andFigure11).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Note:Replaceacracked,fouled,ordirtyspark
plug.DoNotcleantheelectrodesbecausegrit
enteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.030inch(0.76mm)
(Figure31).
Figure31
1.Sideelectrode
3.Airgap—0.030inch
(0.76mm)
2.Centerelectrode
insulator
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto17ft-lb(23N-m).
8.Connectthewiretothesparkplug.
EmptyingtheFuelTankand
CleaningtheFuelFilter
ServiceInterval:Every100hours
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