Toro 30488 - Servicing the Caster Wheel and Bearings

Note:Rememberthelocationofthespacersoneach
forktoensurecorrectinstallation,andtomaintaina
leveldeck.
4.Insertapinpunchintothemountingtubeandcarefully
driveoutthebushings(Figure45).
5.Cleantheinsideofthemountingtube.
Figure45
1.Mountingtube2.Bushing
6.Greasetheinsideandoutsideofthenewbushings.
Note:Useahammerandatplatetocarefullydrive
thebushingsintothepivottubes.
7.Inspectthecaster-wheelforkforwear,andreplaceif
necessary(Figure44).
8.Slidethecaster-wheelforkthroughthebushingsinthe
mountingtube.
9.Replacethespacer(s)ontotheforkandsecurewiththe
retainingring(Figure44).
Important:Theinsidediameterofthebushings
maycollapseslightlywheninstalled.Ifthe
caster-wheelforkdoesnotslideintothenew
bushings,reambothbushingstoaninside
diameterof29mm(1.1inches).
10.Greasethettingonthecarrierframepivottubes
usingNo.2generalpurposelithiumbaseor
molybdenum-basegrease.
ServicingtheCasterWheel
andBearings
Thecasterwheelsrotateonarollerbearingsupportedbya
spannerbushing.Ifthebearingiskeptwelllubricated,wear
willbeminimal.Failuretokeepthebearingwelllubricated
willcauserapidwear.Awobblycasterwheelusuallyindicates
awornbearing.
1.Removethelocknutandwheelboltholdingthecaster
wheeltothecasterfork(Figure46).
Figure46
1.Locknut
4.Spannerbushing
2.Wheelbolt5.Rollerbearing
3.Bushing
2.Removeonebushing,thenpullthespannerbushing
andtherollerbearingoutofthewheelhub(Figure46).
3.Removetheotherbushingfromthewheelhuband
cleananygreaseanddirtfromthewheelhub(Figure
46).
4.Inspecttherollerbearing,bushings,spannerbushing
andtheinsideofthewheelhubforwear.Replaceany
defectiveorwornparts(Figure46).
5.Toassemble,placeonebushingintothewheelhub.
6.Greasetherollerbearingandspannerbushingandslide
themintothewheelhub.
7.Placethesecondbushingintothewheelhub(Figure
46).
8.Installthecasterwheelintothecasterfork,andsecure
withthewheelboltandlocknut.
9.Tightenthelocknutuntilthespannerbushingbottoms
againsttheinsideofthecasterforks(Figure46).
10.Greasethettingonthecasterwheel.
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