Toro 74923 Z Master 6000 - Lubricating the Caster-Wheel Hubs

Figure44
6.Removethedustcapandadjustthecasterpivots.
Note:Keepthedustcapoffuntilgreasingisdone.
7.Removethehexplug.
8.Threadagreasettingintothehole.
9.Pumpgreaseintothettinguntilitoozesoutaround
thetopbearing.
10.Removethegreasettinginthehole.
11.Installthehexpluganddustcap(Figure45).
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Figure45
12.Greasethecaster-wheelbearings(Figure45).
LubricatingtheCaster-Wheel
Hubs
ServiceInterval:Yearly
1.Shutofftheengine,waitforallmovingpartstostop,
removethekey,andengagetheparkingbrake.
Figure46
1.Sealguard2.Spacernutwithwrench
ats
2.Raisethemowerforaccess.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub.
5.Removeaspacernutfromtheaxleassemblyinthe
casterwheel.
Note:Thread-lockingadhesivehasbeenappliedto
lockthespacernutstotheaxle.
6.Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
7.Pryoutsealsandinspectbearingsforwearordamage
andreplaceifnecessary.
8.Packthebearingswithageneral-purposegrease.
9.Insert1bearingand1newsealintothewheel.
Note:Replacetheseals.
10.Iftheaxleassemblyhashadbothspacernutsremoved
(orbrokenloose),applyathread-lockingadhesiveto1
spacernutandthreaditontotheaxlewiththewrench
atsfacingoutward.
Note:Donotthreadthespacernutalloftheway
ontotheendoftheaxle.Leaveapproximately3mm
(1/8inch)fromtheoutersurfaceofthespacernutto
theendoftheaxleinsidethenut.
11.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
12.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
13.Insertthesecondbearingandnewsealintothewheel.
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