Toro Groundsmaster 4300-D - Page 174

RemovingtheFrontWheelMotor(continued)
17.Supportthewheelmotortopreventitfromfallingduringremoval.Remove
the4locknuts(item4inFigure91)fromthe4boltsthatsecurethemotorand
brakebrackettotheframe.
18.Removethe4bolts(item8inFigure91),brakeassemblywiththebrake
adapter,andspringclipfromthewheelmotorandframe.
19.Removethewheelmotorfromthemachine.
20.Ifthehydraulicttingsaretoberemovedfromthewheelmotor,markthe
ttingorientationforassemblypurposes.Removethettingsfromthewheel
motoranddiscardtheO-ringsfromthettings.
InstallingtheFrontWheelMotor
IMPORTANT
Becauseoftheinternaldifferencesinthewheelmotors,donot
interchangethewheelmotorsonthemachine(e.g.,donotputthe
rightmotorontheleftsideofthemachine).Ifnecessary,usethe
PartsCatalogandPartNumberonthewheelmotortoidentifythe
rightandleftmotors,thereisalsoayellowdotontheleftmotor.
1.Ifthehydraulicttingswereremovedfromthewheelmotor,lubricateand
installnewO-ringstothettings.Toproperlyalignandinstallthettingsinto
thewheelmotorports,usethemarksthatyoumadeduringtheremoval
process;refertoInstallingtheHydraulicFittings(SAEStraightThread
O-RingFittingintotheComponentPort)(page4–11).
2.Positionthewheelmotortotheframe.Slidethebrakeassemblywiththe
brakeadapter(item7inFigure91),springclip,and4boltsontothewheel
motorandframe.
3.Installandtightenthe4locknutsontothe4boltstosecurethemotorand
brakecomponentstotheframe.Torquetheboltsto109to135N∙m(80
to100ft-lb).
4.Cleanthetapersofthewheelhubandwheelmotorshaft.
5.Insertthesquarekey(item6inFigure91)intothewheelmotorshaftkeyslot.
Alignthewheelhubwithkeyandslidethewheelhubontothemotorshaft.
IMPORTANT
Donotusetheremovedlocknuttosecurethewheelhubtothe
wheelmotor.
6.Installnewlocknut(item13inFigure91)ontothewheelmotorshaftto
securethewheelhubtothemotorshaft.
7.Removethecapsorplugsfromthehydraulictubesandwheelttings.
8.LubricateandinstallnewO-ringstothettingsonthewheelmotor.Usethe
labelsthatyouattachedduringtheremovalprocesstocorrectlyconnectthe
hydraulictubestothewheelmotorttings;refertoInstallingtheHydraulic
HoseandTube(O-RingFaceSealFitting)(page4–9).
9.Installthebrakedrum(item12inFigure91).
10.Positiontheendofthebrakecabletothebrakeactuatorlever.Attachthe
cabletothebrakeactuatorleverwiththeclevispinandbrakereturnspring.
HydraulicSystem:ServiceandRepairs
Page4–112
Groundsmaster
®
4300-D
16226SLRevC