Toro 120-6275 User manual

FormNo.3369-270RevB
WheelMotorKit
Reelmaster5210/5410/5510/5610TractionUnit
ModelNo.120–6275
ModelNo.120–6280
InstallationInstructions
Important:TheWheelMotorKitInstallation
Instructionscovertheremovalandinstallationof
newwheelmotors,wheelmotorcomponentsand
hydrauliclters.Iftheoriginaltractioncircuit
componentshavebeendamaged,additionalrepairs
andhighpressurehydraulicsystemushing
mustbeperformedpriortoinstallingnewwheel
motors.Contactyourlocaldistributorforadditional
information
RemovingtheOld
Components(Fig.1)
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,lowerthecuttingunitsandstopthe
engine.Removethekeyfromtheignitionswitch.
WARNING
Beforedisconnectingorperforminganyworkon
hydraulicsystem,relieveallpressureinsystem.
Stopengine;lowerorsupportallcuttingunits.
Keepbodyandhandsawayfrompinholeleaks
ornozzlesthatejecthydraulicuidunderhigh
pressure.Usepaperorcardboard,nothands,to
searchforleaks.Hydraulicuidescapingunder
pressurecanhavesufcientforcetopenetrate
theskinandcauseseriousinjury.Ifuidis
injectedintotheskin,itmustbesurgically
removedwithinafewhoursbyadoctorfamiliar
withthistypeofinjury.Gangrenemayresult
fromsuchaninjury.
CAUTION
Whenchangingattachments,tiresorperforming
otherservice,usecorrectblocks,hoistsand
jacks.Makesurethemachineisparkedon
asolid,levelsurfacesuchasaconcreteoor.
Priortoraisingthemachine,removeany
attachmentsthatmayinterferewiththesafeand
properraisingofthemachine.Alwayschock
orblockthewheels.Usejackstandsorother
appropriateloadholdingdevicestosupportthe
raisedmachine.Ifthemachineisnotproperly
supported,themachinemaymoveorfall,which
mayresultinpersonalinjury.
2.Removethefrontwheelsfromthemachineas
follows:
•Chocktherearwheelstopreventthemachine
fromshifting.
•Loosenthelugnutsonthefrontwheels.
•Usingajack,raisethemachinesothewheelis
offtheground.Supportthemachinewithjack
stands.RefertoyourOperatorsManualforthe
properjackinginstructions.
•Releasetheparkingbrake.
•Removethelugnutsandthenremovethewheel
andbrakedrumfromthemachine.
3.Removethecotterpinandclevispinthatsecurethe
brakecableclevistothebrakeactuatorlever.Position
thebrakecableclevisawayfromtheactuatorlever.
Note:Machineswithserialnumbers310000001or
higher,alsohavebrakespring/bracketassemblies.
Careshouldbetakentoremovethespringssothat
theyarenotlostordiscarded.
4.Loosen,butdonotfullyremove,thelocknutthat
securesthewheelhubtothewheelmotor.Loosen
thelocknutatleasttwoturns.Thiswillpreventthe
hubfromyingoffasthetaperreleases.
Important:DONOThitthewheelhub,puller
orwheelmotorwithahammerduringthewheel
hubremovalorinstallation.Hammeringmay
causedamagetothewheelmotor.
©2012—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.OriginalInstructions(EN)
PrintedintheUSA.
AllRightsReserved

5.Useaappropriatepuller(TOR6004)toloosenthe
wheelhubfromthewheelmotor.
6.Removethelocknutandwheelhubfromthemotor
shaft.
7.Removethe(4)screwssecuringthebrakeassembly
tothebrakeadapter.Removethebrakeassembly.
Discardthescrews.
8.Thoroughlycleanthehydrauliclineendsandttings
onthewheelmotortopreventcontaminatingthe
tohydraulicsystem.
9.Labelthehydraulicconnectionsatthewheelmotor
forassemblypurposes.
10.Disconnectthehydrauliclinesfromthettingson
thewheelmotors.Allowthelinestodrainintoa
suitablecontainer.
11.Putcapsorplugsonthedisconnectedlinesand
ttingstopreventcontamination.
12.Supporteachwheelmotortopreventthemfrom
falling.
13.Removethe(4)locknutssecuringthebrakeadapter,
wheelmotorandspringcliptotheframe.
14.Removethebrakeadapter,wheelmotorandbrake
springbracketfromthemachine.
15.Notetheorientationofthettingstosimplifythe
installationonthenewmotorassemblies.Remove
thettingsfromthemotoranddiscardtheO-rings.
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G016463
Figure1
1.Brakedrum5.Brakeassembly,L.H.9.Squarekey13.Extensionspring
2.Hexnut6.Screw,1/2x3inch10.Wheelmotor,L.H.14.Jamnut,5/16inch
3.Hubassembly7.Brakespringbracketor
Springclip,L.H.
11.Locknut,1/2inch15.Brakespringbracketor
Springclip,R.H.
4.Screw,3/8x3/4inch8.Brakeadapter12.Screw,5/16x1–1/2inch16.Flangenut,5/16inch
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InstallingtheNew
Components(Fig.1)
1.LubricateandinstallthenewO-ringsontothe
ttingspreviouslyremovedfromthewheelmotors.
2.Installthettingsintothewheelmotorports,
orientatingthemasnotedintheremovalprocess.
Note:Theleftwheelmotorisidentiedwitheither
ayellowdotorwitharingmachinedintotheshaft
ofthemotor,showninFigure2.
g019201
1
Figure2
1.Machinedringinshaft
3.Positionthewheelmotortoframe.Mountthespring
clip,brakeadapterandthewheelmotortotheframe
with(4)1/2x3inchcapscrews.
4.Installandtightenthe(4)1/2inchlocknutsonto
thecapscrewstosecurethemotor,brakeadapterand
springcliptotheframe.Torquethescrewsto67to
83ft-lb(91to113N-m).Makesurespringclipis
positionedasshowningureFigure1.
5.Mountthebrakeassemblytothebrakeadapterwith
(4)3/8x3/4inchcapscrews.Torquethecapcrews
to27to33ft-lb(27to45N-m).
6.Thoroughlycleanthewheelmotorshaftandwheel
hubtaper.Donotapplyanti-seizeorgreaseto
thehuborwheelmotorshaft.
7.Installthenewsquarekeyintothewheelmotorshaft
keyslot.Alignthewheelhubwiththesquarekey
andslidethewheelhubontothemotorshaft.Secure
thehubwiththelocknut.Torquethelocknutto405
to495ft-lb(549to671N-m).
Important:Useofatorquemultiplierwitha
standardtorquewrenchisnotrecommended,
butisapossiblealternativetohavingatorque
wrenchcapableof500ft-lbs(678N-m).
8.Iftherearesignsofinternalwheelmotororhydrostat
damage(i.e.metalordebrisinthehydraulicuid,
lossoftractionortractionperformanceproblems,
etc.),specictestingandushingproceduresmust
beperformed.Contactyourlocaldistributorfor
additionalinformation.
9.Removethecapsorplugsfromthedisconnected
hydrauliclinesandttings
10.LubricateandpositionthenewO-ringsontothe
wheelmotorhydraulicttings.Installthehydraulic
linestowheelmotorttingspositioningthemas
notedintheremovalprocess.
11.Securethebrakecableclevistothebrakeactuator
leverwithaclevispinandcotterpin.
12.Installthebrakedrum,frontwheelandextension
springtothemachine.Torquethelugnutsto70to
90ft-lb(95to122N-m).
Note:Onmodels03670,03680and03690with
serialnumberspriorto270001500,andmodel03660
withserialnumberspriorto280000000,thebrake
drum,partno.108-6980,mustbereplacedwith
brakedrum,partno.114-8864.
13.Repeattheprocedureontheoppositewheelmotor.
14.Installthenewhydraulicltersasfollows:
•Cleantheareaaroundthechargecircuit/steering
lter(86–3010)mountingareaandplaceadrain
panunderlter.
•Removethelter.
•Lubricatethegasketonthenewlterwith
hydraulicoil.
•Ensurethattheltermountingareaisclean.
•Installthelterbyhanduntilthegasketcontacts
themountingsurface,thenrotateitanadditional
1/2turn.
•Repeattheprocedureonthereservoirlter
(94–2621).
•Starttheengineandletitrunforabouttwo
minutestopurgeairfromthesystem.
•Stoptheengineandcheckforleaks
15.Checkthehydraulicsystemoillevelandreplenish
asneeded.
16.Testrunthemachineforashortperiodtocheckall
connectionsforleakspriortoinstallingthewheels.
17.Recheckthehydraulicsystemoillevelandreplenish
asneeded.
18.Removethejackstandsandtestdrivethemachineto
checkperformance.
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