Figure40
6.Removethedustcapandadjustthecasterpivots.
Keepthedustcapoffuntilgreasingisdone.Referto
AdjustingtheCasterPivotBearinginMaintenance.
7.Removethehexplug.Threadagreasezerkintothe
hole.
8.Pumpgreaseintothezerkuntilitoozesoutaround
thetopbearing.
9.Removethegreasezerkinthehole.Installthehexplug
anddustcap(
Figure41).
Figure41
LubricatetheCasterWheel
Hubs
ServiceInterval:Yearly
1.Stoptheengine,waitforallmovingpartstostop,and
removethekey.Engagetheparkingbrake.
Figure42
1.Sealguard2.Spacernutwithwrench
ats
2.Removethecasterwheelfromthecasterforks.
3.Removethesealguardsfromthewheelhub.
4.Remove1ofthespacernutsfromtheaxleassemblyin
thecasterwheel.Notethatthreadlockingadhesive
hasbeenappliedtolockthespacernutstotheaxle.
Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
5.Pryouttheseals,andinspectthebearingsforwearor
damageandreplaceifnecessary.
6.Packthebearingswithageneral-purposegrease.
7.Insert1bearingand1newsealintothewheel.
Note:Thesealsmustbereplaced.
8.Iftheaxleassemblyhashadbothspacernutsremoved
(orbrokenloose),applyathreadlockingadhesiveto1
spacernutandthreaditontotheaxlewiththewrench
atsfacingoutward.Donotthreadthespacernutallof
thewayontotheendoftheaxle.Leaveapproximately
3mm(1/8inch)fromtheoutersurfaceofthespacer
nuttotheendoftheaxleinsidethenut.
9.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
10.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
11.Insertthesecondbearingandnewsealintothewheel.
12.Applyathreadlockingadhesivetothesecondspacer
nutandthreaditontotheaxlewiththewrenchats
facingoutward.
13.Torquethenutto8-9N-m(75-80in-lb),loosen,then
re-torqueto2-3N-m(20-25in-lb).Makesurethatthe
axledoesnotextendbeyondeithernut.
30