Toro 04476 User manual

FormNo.3370-707RevA
Three-WheelDriveKit
Greensmaster®3150TractionUnit
ModelNo.04476
InstallationInstructions
1
RemovingtheExistingWheel
NoPartsRequired
Procedure
1.Parkthetractoronalevelsurfaceandsettheparking
brake.TurntheignitionkeytoOfftostoptheengine.
Removethekey.
WARNING
Accidentalstartingoftheenginecould
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionswitch
beforeyoudoanymaintenance.
2.Lifttherearofthetractionunitandremovethetire
assemblyfromthecastorfork.
3.Removethewheelhubassemblyfromthetireassembly.
Retainthelugnuts.
2
ModifytheCastorFork
NoPartsRequired
Procedure
Note:Ifthetractionunithasaserialnumberpriorto
269999999,thecastorwheelforkmustbemodied.If
themodicationisrequired,aDrillGuide,ToroPartNo.
112–0256–01mustbeobtainedfromyourlocalauthorized
ToroDistributor.Ifamodicationisnotrequired,proceed
toInstallMotorandHubAssembly.
1.Mountthedrillguidetotheleftsideofthecastorfork
with2bolts(5/16x3inch),4washers(3/8x7/8
inch),andnuts.Positionthecomponentsasshown
inFigure1.
G010140
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Figure1
1.Drillguide
2.Usingremainingholeindrillguide,enlargetheholein
castorforkto9/16inch(14mm).
Important:Itishighlyrecommendedthatanew
orrecentlysharpened9/16inch(14mm)drillbit
beused.Proceedslowlywhendrilling.Donot
useexcessiveforcewhendrillingasjammingmay
occur.
3.Movethefastenerstotheotherholesinthedrillguide
andrepeattheprocessuntilall3holesareenlarged.
3
InstallingtheMotorandHub
Assembly
NoPartsRequired
Procedure
1.Removethegreasettingfromthenewmotorandhub
assembly(Figure2).
2.Mountthetireassemblytothemotorandhubassembly
with4lugnuts.Torquelugnutsto70to90ft-lb(95
to122N-m).
3.Re-installthegreasettingtothehubassembly,
pointingitawayfromtire.
©2011—TheToro®Company
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Registeratwww.T oro.com.OriginalInstructions(EN)
PrintedintheUSA.
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4.Insertangettesandbearingontoendofmotorshaft
asshowninFigure2.
G010141
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Figure2
1.Motorandhubassembly3.Spacermount(2)
2.Flangettesw/bearing4.Decal(2)
5.Mountthe2straightttingstothesideofthemotor
assembly(Figure2).
Note:MakesureallO-ringsarelubricatedandin
positionbeforeinstallingttings.
6.Positionthemotorhub,angetteswithbearing,adapter
plateandtireassemblyintocastorfork.
Note:Ensurethatportsonmotorfacerearward
(Figure2).
7.Looselysecuremotortotheinsideofcasterforkwith
2socket-headscrewsandnuts(Figure2).
8.Tightenmotorscrewsto100ft-lbs(135N-m).
9.Looselyassembleangetteswithbearingtoinsideof
castorforkwith3newscrews(3/8x2inch),adapter
plate,spacermount,3hardenedwashers(13/32x
13/16inch),and3(3/8inch)locknuts(3/8inch).
Important:Makesurenoradialloadisputonthe
motorshaft.
Note:Thegreasettingmustbeinthedownward
positionontheangette(Figure2).
10.Tightentheangettescrewsto40ft-lbs(55N-m).
Note:Failuretocarefullyfollowtheaboveassembly
sequencemayresultinprematuremotorsealand
bearingfailure.
11.Applyathread-lockingadhesive(suchasLoctite®)to
bearingsetscrewsandtorqueto80to100in-lb(9to
11N-m).
12.Verifyoverrunningbearingoperation:Thetireshould
rollfreelyforward,butthewheelmotorwillengage
whenrolledbackward.
13.Lowerrearoftractionunittoground.
14.GreaseallttingswithNo.2generalpurpose
lithium-basedgrease.
15.Applyadecaltoeachsideofcasterfork(Figure2).
4
InstallingHydraulic
Components
NoPartsRequired
Procedure
1.Disconnectthenegativecableandthenpositivecable
frombattery.
2.Drainallhydraulicoilfromreservoirbyremovingthe
upperhosefrompump(Figure4).Re–connecthose
afterinstallinghydraulichardline.
Note:Thehydraulicsystemcapacityisapproximately
8.5gallons(33liters).
Important:Takecarenottocontaminateoilifyou
aregoingtoreuseit.Averysmallamountofdirt
ordebriscanseverelydamagehydraulicsystem.
3.Disconnectthehosefromthe90degreettingatthe
L1Bportonthehydraulicmanifold(Figure3).Note
angleatwhichttingisdirected.
Figure3
1.Hydraulicmanifold(L1B
port)
3.45degreetting
2.90degreetting4.Hose
4.Removethe90degreettingfromthehydraulic
manifoldandreplaceitwiththe45degreetting
(Figure3).Positionthettingattheapproximateangle
thepreviousttingwasinstalled.
2

Note:MakesureallO–ringsarelubricatedandin
positionbeforeinstallingtting.
5.Connectthehosetothe45degreetting(Figure3).
6.Removeanddiscardhosesecuredto45degreetting
onlowerpumpportandtoteettingunderseatbase
(Figure4andFigure5).
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4
Figure4
1.Upperhose3.45degreetting
2.Pump4.Lowerhose
7.Installhydraulichardlinetoteettingunderseatbase.
PositionlineasshowninFigure5.
2
1
G010143
Figure5
1.Teetting2.Hydraulichardline
Note:MakesureallO-ringsarelubricatedandin
positionbeforeinstallingttings.
8.Installgrommetsandspacerstobulkheadbracketas
showninFigure7.
9.Usingbulkheadbracketasatemplateanddimensions
showninFigure6,locate,markanddrill2holes(0.281
inchdiameter)intoframetube.Dimensionsshownin
Figure6areforlocationreferenceofbracket.
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6
Figure6
1.Bulkheadbracketholes4.5.59inch
2.0.281diameterhole5.1.06inch
3.6.44inch6.1.50inch
Note:Figure6isshownasviewedfromunder
machine.
10.Mountbulkheadbrackettoframewith2hex-head
thread-formingscrews.
11.Assemblebulkheadbrackettohydraulichardlinewith
nutsandwashers,suppliedinkit,asshowninFigure7.
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7
8
9
Figure7
1.Bulkheadbracket6.Hydraulichardline
2.Grommet7.Hose
3.Spacer8.Uppermotortting
4.Washer9.Lowermotortting
5.Nut
3

12.Looselyinstallthepumphoseassemblytothe45
degreettingonpumpandtothelowerholein
bulkheadbracketwithawasherandanut(Figure7&
Figure8).
Note:The45degreettingonpumpmayhavetobe
rotatedslightlytoalignwithhoseassembly.
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Figure8
1.Pump3.45degreetting
2.Pumphoseassembly
13.Looselyinstallahydraulichosetothepumphose
assembly(lowerbulkhead)andtoupperwheelmotor
tting(Figure7).
14.Looselyinstallahydraulichosetohydraulichardline
(upperbulkhead)andtobottomwheelmotortting.
Note:Thehosesmustnotcontacttireorrim.
15.Tightenttings.
16.Turnsteeringforkfullysidetosidetocheckforproper
hoseexandposition.Withsteeringwheelinfullright
turn,itmaybenecessarytorotaterearhydrostathose
ttingslightlydownwardtogainclearancewithrear
wheelmotor.
Note:Thehosesshouldnotrubontire,rim,tanks,
steeringfork,orsteeringhoses.Itmaybenecessaryto
rotatefuelshutofftting(underfueltank)slightlyto
avoidfuelltertouchingthreewheeldrivehoses.
Note:Thehydrauliclinesmustnotbetwisted,kinked,
havesharpbends,ortouchsharpedges,movingparts,
orengineexhaustparts.
17.Tightenallttings.
18.Fillandcheckhydraulicoilreservoirlevel.
19.Connectpositivethennegativebatterycablestobattery.
Note:Connectnegativecablelast.
20.Startengineandcyclethetractionandliftcylinders
topurgetheair.
21.Checkhydraulicoillevel.
4

Schematics
G010148
HydraulicSchematic(Rev.B)
5

Notes:
6

Notes:
7