Exmark VANTAGE - Wheel Hub Nut Torque Specification; Check Spark Arrester (if Equipped)

Maintenance
Figure21
1.Chargepumpcap2.Loosen11/2turnsonly
1.Stopengineandwaitforallmovingpartstostop.
Raisetherearofthemachineupontojackstands
highenoughtoraisethedrivewheelsoffthe
ground.
2.CheckoillevelasstatedinCheckHydraulicOil
Levelsection.
3.Startengineandmovethrottlecontrolaheadto
fullthrottleposition.MoveRHmotioncontrol
leverinward(together)andmovebothlevers
forwardwithequalpressure.
Ifeitherdrivewheeldoesnotrotate,itispossible
toassistthepurgingofthechargepumpby
carefullyrotatingthetireintheforwardposition.
Note:Itisnecessarytolightlytouchthecharge
pumpcapwithyourhandtocheckthepump
temperature.Ifthecapistoohottotouch,turn
offengine.Thepumpsmaybedamagedifthe
pumpbecomestoohot.
Ifeitherdrivewheelstilldoesnotrotatecontinue
withstep
4.
4.Thoroughlycleantheareaaroundeachofthe
chargepumphousings.
5.To“prime”chargepump,loosentwohexsocket
headcapscrews(showninFigure21)11/2turns
only.Makesureengineisnotrunning.Lift
thechargepumphousingupwardandwaitfor
asteadyowofoiltoowoutfromunderthe
housing.Retightenthecapscrews.Dothisfor
bothpumps.
Note:Hydraulicreservoircanbepressurizedup
to5psitospeedthisprocess.
6.Ifeitherdrivewheelstilldoesnotrotate,stop
andrepeatsteps4and5abovefortherespective
pump.Ifwheelsrotateslowly,thesystemmay
primeafteradditionalrunning.Checkoillevel
asstatedinChecktheHydraulicOilLevel
section.
7.Allowunittorunseveralminutesafterthecharge
pumpsare“primed”withdrivesysteminthefull
speedposition.CheckoillevelasstatedinCheck
theHydraulicOilLevelsection.
8.Checkhydrodrivelinkageadjustmentasstatedin
HydroDriveLinkageAdjustmentsectionin
Adjustments.
WheelHubNutTorque
Specication
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Torquethenutonthewheelmotortaperedshaftto
175-225ft-lb(237-305N-m).
Note:DoNotuseanti-seizecompoundonthe
wheelhub.
CheckSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineisstopped.
Hotparticlesexhaustedduringengineoperation
mayigniteammablematerials.Firemayresult
inpersonalinjuryorpropertydamage.
DoNotrefuelorrunengineunlesssparkarrester
isinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacearrester.
4.Ifpluggingofthescreenisobserved,remove
arresterandshakelooseparticlesoutofthe
arresterandcleanscreenwithawirebrush(soak
insolventifnecessary).Reinstallarresteron
exhaustoutlet.
35