Toro 74310 - Page 28

Figure28
1.Sealguard2.Spacernutwithwrench
ats
2.Raisethefrontofthemachineupandsupportitwith
jackstands.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub.
5.Remove1ofthespacernutsfromtheaxleassembly
inthecasterwheel.
Note:Notethatthreadlockingadhesivehasbeen
appliedtolockthespacernutstotheaxle.Remove
theaxle(withtheotherspacernutstillassembledtoit)
fromthewheelassembly.
6.Pryouttheseals,andinspectthebearingsforwearor
damageandreplaceifnecessary.
7.Packthebearingswithageneral-purposegrease.
8.Insert1bearingand1newsealintothewheel.
Note:Thesealsmustbereplaced.
9.Iftheaxleassemblyhashadbothspacernutsremoved
(orbrokenloose),applyathreadlockingadhesiveto1
spacernutandthreaditontotheaxlewiththewrench
atsfacingoutward.
Note:Donotthreadthespacernutalloftheway
ontotheendoftheaxle.Leaveapproximately3mm
(1/8inch)fromtheoutersurfaceofthespacernutto
theendoftheaxleinsidethenut.
10.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
11.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
12.Insertthesecondbearingandnewsealintothewheel.
13.Applyathreadlockingadhesivetothesecondspacer
nutandthreaditontotheaxlewiththewrenchats
facingoutward.
14.Torquethenutto8-9N-m(75-80in-lb),loosen,then
re-torqueto2-3N-m(20-25in-lb).
Note:Makesurethattheaxledoesnotextendbeyond
eithernut.
15.Installthesealguardsoverthewheelhubandinsert
thewheelintothecasterfork.Installthecasterbolt
andtightenthenutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecastertire.The
tireshouldnotspinfreely(morethan1or2revolutions)
orhaveanysideplay.Ifthewheelspinsfreely,adjustthe
torqueonthespacernutuntilthereisaslightamountof
drag.Applythreadlockingadhesive.
LubricatetheBrake-handlePivot
ServiceInterval:Every160hours
1.Stoptheengine,waitforallmovingpartstostop,
removethekey,andengagetheparkingbrake.
2.Lubricatethebronzebushingsonthebrakehandle
pivotwithaspraytypelubricantorlightoil(Figure29).
Figure29
LeftSideofmachineshown
1.BrakeHandlePivot
3.SpringArmPivot
2.PTOHandlePivot
4.TogglePivot
LubricatetheBrake-rodBushings
ServiceInterval:Every160hours
1.Stoptheengine,waitforallmovingpartstostop,
removethekey,andengagetheparkingbrake.
2.Unhooktheseatlatchandtiltseatup.
3.Lubricatethebronzebushingsoneachendofthe
brakerodshaftwithaspraytypelubricantoralight
oil(bushingsarelocatedtotheinsideoftheange
bearings).
LubricatetheSteering-linkageRod
Ends
ServiceInterval:Every160hours
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