Exmark COMMERCIAL 21 - Check Spark Plugs

Maintenance
8.Raisetheleftsideofthelawnmowertodrainthe
oilfromthedipsticklltubeintothedrainpan.
9.Afterdrainingtheoil,returnthelawnmowerto
theoperatingposition.
10.Fillthecrankcasewithfreshoiltotheupperlimit
markonthedipstick.Useoilrecommendedin
theCheckEngineOilLevelsection.DoNot
overll
11.Insertthedipstickintothellerneckandrotate
thecapclockwiseuntilitistight.
12.Wipeupanyspilledoil.
13.Connectthewiretothesparkplug.
14.Recycletheusedoilaccordingtolocalcodes.
ChangeOilFilter
(KawasakiX-SeriesUnits)
ServiceInterval:Every100hours
1.Runtheenginetowarmtheoil.
2.Stoptheengineandwaitforallmovingpartsto
stop.
3.Disconnectthewirefromthesparkplug.
4.Draintheengineoil.
5.Placearagundertheoilltertocatchanyoilthat
mayleakoutasyouremovethelter.
6.Removetheoillter.
7.Useyourngertocoatthegasketonthenew
lterwithcleanExmark4–CyclePremiumEngine
oil(seeFigure26).
Figure26
1.Gasket
8.Installthenewlterandhandtightenit2/3turn
only.
9.FillthecrankcaseasstatedinCheckEngineOil
Levelsection.Exmark4–CyclePremiumEngine
oilisrecommended.RefertotheEngineOwner's
Manualforanacceptablealternative.
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(see
Figure8andFigure9).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Note:Replaceacracked,fouled,ordirtyspark
plug.DoNotcleantheelectrodesbecausegrit
enteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.030inch(0.76mm)
(Figure27).
Figure27
1.Sideelectrode
3.Airgap—0.030inch
(0.76mm)
2.Centerelectrode
insulator
28