Toro 74915 - Lubricating the Caster-Wheel Hubs

4.Greasethedrivebeltidlerarm(Figure43).
g009030
Figure43
5.Removethedustcapandadjustthecaster
pivots.
Note:Keepthedustcapoffuntilgreasingis
complete.RefertoAdjustingtheCaster-Pivot
Bearing(page50).
6.Removethehexplug.
7.Threadagreasettingintothehole.
8.Pumpgreaseintothettinguntilitoozesout
aroundthetopbearing.
9.Removethegreasettinginthehole.
10.Installthehexpluganddustcap(Figure44).
g009187
Figure44
11.Greasethecaster-wheelbearings(Figure44).
Lubricatingthe
Caster-WheelHubs
ServiceInterval:Yearly
1.Shutofftheengine,waitforallmovingpartsto
stop,removethekey,andengagetheparking
brake.
g006115
Figure45
1.Sealguard2.Spacernutwithwrench
ats
2.Raisethemowerforaccess.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub.
5.Removeaspacernutfromtheaxleassemblyin
thecasterwheel.
Note:Thread-lockingadhesivehasbeen
appliedtolockthespacernutstotheaxle.
6.Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
7.Pryoutsealsandinspectbearingsforwearor
damageandreplaceifnecessary.
8.Packthebearingswithageneral-purpose
grease.
9.Insert1bearingand1newsealintothewheel.
Note:Replacetheseals.
10.Iftheaxleassemblyhashadbothspacer
nutsremoved(orbrokenloose),applya
thread-lockingadhesiveto1spacernutand
threaditontotheaxlewiththewrenchats
facingoutward.
Note:Donotthreadthespacernutallof
thewayontotheendoftheaxle.Leave
approximately3mm(1/8inch)fromtheouter
surfaceofthespacernuttotheendoftheaxle
insidethenut.
11.Inserttheassemblednutandaxleintothewheel
onthesideofthewheelwiththenewsealand
bearing.
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