Toro 74408 Z334 Z Master - Lubricating the Caster Wheel Hubs

Figure23
Figure24
LubricatingtheCasterWheel
Hubs
ServiceInterval:Yearly
Note:Whenperformingthisprocedure,theoldseals
willneedtobereplacedwithnewseals.Contactan
AuthorizedServiceDealerforthecorrectseals.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Raisethefrontofthemachineandsupportitwith
jackstands.
4.Removethennutandboltholdingthecasterwheel
tothefrontcasterfork(Figure25).
5.Removethesealguardfromthewheelhub
(Figure25).
Figure25
1.Casterfork4.Casterwheel
2.Bolt5.Nut
3.Sealguard
6.Removeoneofthespacernuts(withwrenchats)
fromtheaxle(Figure27).
Note:Threadlockingadhesivehasbeenapplied
tothespacernuts.
7.Removetheaxlewithoutremovingtheopposite
spacernut(Figure27).
8.Removethesealsandinspectthebearingsforwear
ordamage.Replacethebearingsifneeded.
9.Packthebearingswithgeneralpurposegrease.
10.Insertthebearingandanewsealintothewheel
(Figure27).
Note:Donotinstallthenutallthewayontothe
axle.
11.Ifbothspacernutswereremovedfromtheaxle,
applythreadlockingadhesivetothespacernut.
Installthespacernutsontotheaxleleavingan1/8
inch(3mm)ofthenutpasttheaxle(Figure26).
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