Toro 75746 - Caster Assembly and Bearing Replacement

CasterAssemblyandBearingReplacement
CasterAssemblyandBearingRemoval
1.ParkthemachineonalevelsurfaceanddisengagethePTO.Stoptheengine,
waitforallmovingpartstostop,andremovekey.Engagetheparkingbrake.
2.Disconnectthebatterybyremovingthenegativecablerst,thenthepositive
cablefromthebattery.
3.Raiseandsupporttheunitsothatthefrontwheelsareofftheground,block
rearwheels.
4.Removethecastercap.
5.Supporttheundersideofthecasterwheelandremovethescrewsecuring
thecasterbearingassembly.
6.Removethecasterforkfromthefrontaxle.Inspectthecasterforkshaft
forwearordamage.
7.Removetheupperandlowerbearingsfromtheaxleandinspecttheinsideof
theaxlebearingareafordamageorexcessivewear.
Note:Thebearingsarepressedinandcannotbereused.
CasterAssemblyandBearingInstallation
1.Cleanthesurfaceinsidetheaxlebearingarea,keepingsurfacecleanof
debris.
2.Usingaproperbearinginstallationtool,installanewlowerbearingfromthe
bottomsideintotheaxle,makingsurethatitisfullyseated.
3.Usingaproperbearinginstallationtool,installanewupperbearingfromthe
topsideintotheaxle,makingsurethatitisfullyseated.
Note:Thebearingsaresealedanddonotrequiregrease/lubrication.
4.Applyanti-seizetoforkshaftbeforeinstalling.
5.Installthecasterfromthebottomsideoftheframeandplaceatwasher
ontopofthebearing.
6.Installfastenerandtightentothecastershaft.
7.Installthecastercap.
8.Connectthebatterybyinstallingthepositivecablerst,thenthenegative
cabletothebattery.
9.Lowertheunitandverifyproperfunction.
CasterWheelBearingReplacement
CasterWheelBearingRemoval
1.ParkthemachineonalevelsurfaceanddisengagethePTO.Stoptheengine,
waitforallmovingpartstostop,andremovekey.Engagetheparkingbrake.
2.Disconnectthebatterybyremovingthenegativecablerst,thenthepositive
cablefromthebattery.
3.Raiseandsupporttheunitsothatthefrontwheelsareofftheground,block
rearwheels.
4.Removetheboltandnutsecuringthecasterwheeltothecasterfork.
5.Lowerthecasterwheelawayfromthecasterfork.
6.Removethedustcaps,feltwashers,andwheelspanner.
7.Removethebearings(bearingsmayhaveaslightpresst).
TitanServiceManual
Page5–5
Chassis:ServiceandRepairs
3438-774RevA