g025954
Figure34
1.Axle(spacernutstill
assembled)
4.Spacernut
2.Hub5.Bearingseal
3.Bearing
6.Sealguard
2.Remove1ofthespacernutsfromtheaxle
assemblyinthecasterwheel(Figure34).
Note:Notethatthread-lockingcompoundhas
beenappliedtolockthespacernutstotheaxle
(Figure34).
3.Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthecaster-wheelassembly
(Figure34).
4.Pryoutbothbearingseals(Figure34).
Note:Discardtheoldseals.
5.Removebothbearingsandinspectthemfor
wearordamage(Figure34).
Note:Replacethebearingifitiswornor
damaged.
6.Packthe2bearingswiththespeciedgrease.
AssemblingtheCaster-WheelHub
1.Install1bearingintothehubofthewheel(Figure
34).
2.Installthebearingsealintothehubatthe
bearing(Figure34).
3.Ifyouremoved(orbrokeloose)bothofthe
spacernutsfromtheaxleassembly,perform
thefollowing:
A.Cleanthethreadsoftheaxleandspacer
nut.
B.Applyathread-lockingcompoundtothe
threadsat1endoftheaxle.
C.Threadtheaxlenut,withthewrenchats
facingoutward,ontotheendoftheaxlethat
ispreparedwiththread-lockingcompound
(Figure34).
Note:Donotthreadspacernutallthe
wayontotheaxle.Leaveapproximately3
mm(1/8inch)fromtheoutersurfaceofthe
spacernuttotheendoftheaxleinsidethe
nut.
4.Inserttheassemblednutandaxleintothewheel
atthesideofthewheelwiththenewsealand
bearing(Figure34).
5.Withtheopenendofthewheelfacingup,llthe
areainsidewheelcavity(aroundtheaxle)with
thespeciedgrease.
6.Installtheotherbearingandnewsealintothe
wheel(Figure34).
7.Applyathread-lockingcompoundtothesecond
spacernutandthreaditontotheaxlewiththe
wrenchatsfacingoutward.
8.T orquethespacernutto8to9N∙m(75to80
in-lb),loosen,thentorqueit2to3N∙m(20to
25in-lb).
Important:Ensurethattheaxledoesnot
extendbeyondeithernut.
9.Installthesealguardsoverthewheelhub
(Figure34).
InstallingtheCaster-WheelAssembly
1.Aligntheholeintheaxleofthecaster-wheel
assemblybetweentheholesintheforkofthe
caster(Figure33).
2.Securethewheelassemblytotheforkwiththe
wheelnutandbolt(Figure33)thatyouremoved
instep3ofRemovingtheCaster-Wheel
Assembly(page34).
3.T orquethewheelnutto91to113N∙m(67to
83ft-lb).
35