Exmark QUEST E Series - Spark Plug Check and Kohler Air Cleaner; Checking the Spark Plug

Maintenance
CheckingtheSparkPlug
1.Inspectthesparkplug
Note:Ifyouseelightbrownorgrayonthe
insulator,theengineisoperatingproperly.A
blackcoatingontheinsulatorusuallymeansthe
aircleanerisdirty.
Important:DoNotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:
ablackcoating,wornelectrodes,anoilylm,
orcracks.
g027479
Figure42
1.Centerelectrode
insulator
3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandside
electrodes.
3.Setthegapto0.030inch(.76mm).
ServicingaKohlerEngine
Important:RefertotheEngineOwner’sManual
foradditionalmaintenanceprocedures.
ServicingtheAirCleaner-Kohler
Engine
ServiceInterval:Every50hours—Cleanthe
air-cleanerpaperelement
(moreoftenindusty,
dirtyconditions)(Kohler
engine).
Every100hours—Replace
theair-cleanerpaper
element(more
oftenindusty,dirty
conditions)(Kohler
engine).
Note:Operatingtheenginewithlooseordamaged
air-cleanercomponentscouldallowunlteredairinto
theengine,causingprematurewearandfailure.
RemovingtheElements:
1.Parkmachineonlevelground,disengagetheblade
controlswitch,engagetheparkingbrake,stop
engine,andremovekey.Waitforallmovingparts
tostopbeforeleavingtheoperator’sposition.
2.Cleanaroundtheaircleanercovertopreventdirt
fromgettingintotheengineandcausingdamage.
3.Rotatethelatchesoutward.
g333875
Figure43
1.Latch3.Air-cleanerelements
2.Engine4.Air-cleanerbase
4.Removethecovertoaccesstheair-cleaner
element.
5.Separatethefoamandpaperelements(Figure44).
g333887
Figure44
1.Paperelement2.Foamelement
CleaningtheFoamandPaperElements:
FoamElement:
1.Washthefoamelementwithwater.
2.Drytheelementbysqueezingitinacleancloth.
Important:Replacethefoamelementifit
istornorworn.
3.Lightlyoilthefoamelementusingnewengineoil
andsqueezeoutanyexcessoil.
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