User manual

Maintenance
Note:Itisnecessarytolightlytouchthecharge
pumpcapwithyourhandtocheckthepump
temperature.Ifthecapistoohottotouch,turn
offengine.Thepumpsmaybedamagedifthe
pumpbecomestoohot.
Ifeitherdrivewheelstilldoesnotrotatecontinue
withstep4.
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
gasolinevaporsevenaftertheengineis
stopped.Hotparticlesexhaustedduring
engineoperationmayigniteammable
materials.Firemayresultinpersonalinjury
orpropertydamage.
DoNotrefuelorrunengineunlessspark
arresterisinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacearrester.
4.Ifpluggingofthescreenisobserved,remove
arresterandshakelooseparticlesoutofthe
arresterandcleanscreenwithawirebrush(soak
insolventifnecessary).Reinstallarresteron
exhaustoutlet.
ThreadLockingAdhesives
Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
•Pumpsheavesetscrews.
•Sheaveretainingboltinendofenginecrankshaft.
•Casterwheelspacernuts.
MobilHTSGrease(Or
Food-GradeAnti-seize)
MobilHTSgrease(orfood-gradeanti-seize)isused
inthefollowinglocations:
•Betweenthecutterhousingspindleandbearings.
•Betweenthecutterhousingspindleandsheave.
•Undertopcutterhousingbearingguard.
Copper-BasedAnti-seize
Copper-basedanti-seizeisusedinthefollowing
locations:
•OnthreadsofBladeBolts.SeeCheckMower
Bladessection.
•Betweenenginecrankshaftandpumpandblade
drivesheaves.
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