Toro 74901 - Lubricate Caster Wheel Hubs

1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition,
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Greasethemowerdeckidlerpulleypivotuntilgrease
comeoutthebottom(
Figure40).
4.Greasethettingsonthesideofthe3spindle
bearingsuntilgreasecomesoutthebottom
(
Figure40).
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Figure40
5.Greasethedrivebeltidlerarm(Figure40).
Figure41
6.Removethedustcapandadjustthecasterpivots.
Keepthedustcapoffuntilgreasingisdone.Referto
AdjustingtheCasterPivotBearinginMaintenance.
7.Removethehexplug.Threadagreasezerkintothe
hole.
8.Pumpgreaseintothezerkuntilitoozesoutaround
thetopbearing.
9.Removethegreasezerkinthehole.Installthehex
pluganddustcap(
Figure42).
Figure42
LubricateCasterWheelHubs
ServiceInterval:Yearly
1.Stoptheengine,waitforallmovingpartstostop,
andremovethekey.Engagetheparkingbrake.
Figure43
1.Sealguard2.Spacernutwithwrench
ats
2.Removethecasterwheelfromthecasterforks.
3.Removethesealguardsfromthewheelhub.
4.Removeoneofthespacernutsfromtheaxle
assemblyinthecasterwheel.Notethatthread
lockingadhesivehasbeenappliedtolockthespacer
nutstotheaxle.Removetheaxle(withtheother
spacernutstillassembledtoit)fromthewheel
assembly.
5.Pryoutseals,andinspectbearingsforwearor
damageandreplaceifnecessary.
6.Packthebearingswithageneral-purposegrease.
7.Insertonebearing,onenewsealintothewheel.
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