Toro 74950 - Lubricating the Caster-Wheel Hubs

Figure42
6.Removethedustcapandadjustthecasterpivots.
Note:Keepthedustcapoffuntilgreasingiscomplete;
refertoAdjustingtheCaster-PivotBearing(page44).
7.Removethehexplug.
8.Threadagreasettingintothehole.
9.Pumpgreaseintothettinguntilitoozesoutaround
thetopbearing.
10.Removethegreasettingfromthehole.
11.Installthehexpluganddustcap(Figure43).
g014942
Figure43
12.Greasethecaster-wheelbearings(Figure43).
LubricatingtheCaster-Wheel
Hubs
ServiceInterval:Yearly
1.Shutofftheengine,waitforallmovingpartstostop,
andremovethekey.Engagetheparkingbrake.
Figure44
1.Sealguard2.Spacernutwithwrench
ats
2.Raisethefrontofthemachineup,andsupportitwith
jackstands(orequivalentsupport)justhighenoughto
allowthefrontwheelstoturnfreely.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub.
5.Removeaspacernutfromtheaxleassemblyinthe
casterwheel.
Note:Thread-lockingadhesivehasbeenappliedto
lockthespacernutstotheaxle.
6.Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
7.Pryoutseals,andinspectthebearingsforwearor
damageandreplacethemifnecessary.
8.Packthebearingswithageneral-purposegrease.
9.Insert1bearingand1newsealintothewheel.
Note:Replacetheseals.
10.Iftheaxleassemblyhashadbothspacernutsremoved
(orbrokenloose),applythread-lockingadhesiveto1
spacernutandthreaditontotheaxlewiththewrench
atsfacingoutward.
Note:Donotthreadthespacernutallthewayonto
theendoftheaxle.Leaveapproximately3mm(1/8
inch)fromtheoutersurfaceofthespacernuttothe
endoftheaxleinsidethenut.
11.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
12.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
13.Insertthesecondbearingandanewsealintothewheel.
33