Toro Groundsmaster 4300-D - Page 338

AssemblingtheBrake
1.Useawirebrushtoremoverustandunwantedmaterialfromallthebrake
partsbeforetheinstallation.Cleanalltheparts.
2.Visuallyexaminethebrakeshoesandcontactsurfacesofthebrakedrumfor
excessivewear.Replacethepartsthatarewornanddamaged.
3.Ifthebrakebackingplatewasremovedfromthemachine,securethebacking
platetothebrakeadapterwiththe4bolts(item10inFigure206).
4.Lightlylubricatethebrakeshoepivotpointswithgeneralpurposegrease.
5.Positionthebrakeshoetothebackingplate.Installtheholddownpinand
securewiththeholddownspringandholddowncup.Repeatforthesecond
brakeshoe.
Note:Theshoespring(actuator)mustbeinstalledattheactuatorendof
thebrakeshoes.
6.Installthe2shoesprings(items10and7inFigure207)tothebrakeshoes.
Ensurethatthebrakeshoesareproperlypositionedtothepivotandactuator
points.
IMPORTANT
Beforeinstallingthewheelhub,cleanthetapersofthewheelhub
andwheelmotorshaft.Ensurethatthetapersarefreeofgrease,
oil,rust,anddirt.Donotuseanti-seizelubricant,whenyouinstall
thewheelhub.
7.Mountthesquarekeyinthewheelmotorshaft,andtheninstallthewheel
hubontothewheelmotorshaft.
IMPORTANT
Donotusethelocknutpreviouslyremovedtoattachthewheelhub
tothewheelmotor.
8.Installnewlocknut(item15inFigure206)ontothewheelmotorshaftto
securethewheelhubtothemotorshaft.
9.Installthebrakedrum(item14inFigure206).
10.Positiontheendofthebrakecabletothebrakeactuatorlever(item12in
Figure207).Attachthecabletothebrakeactuatorleverwiththeclevispin
andbrakereturnspring.
11.Installthefrontwheelassembly;refertoInstallingtheWheel(page6–6).
12.Checkandadjustthebrakes;refertotheOperator’sManual.
13.Lowerthemachinetotheground.
WARNING
Failuretomaintainpropertorquecouldresultinfailureorlossof
wheelandmayresultinpersonalinjury.
Maintainthepropertorqueofthewheel-lugnuts.
14.Torquethewheelhublocknut(item15inFigure206)thatsecuresthewheel
hubto427to522N∙m(315to385ft-lb).
Chassis:ServiceandRepairs
Page6–14
Groundsmaster
®
4300-D
16226SLRevC