Toro 30403 - Servicing the Bushings in the Castor Arms; Servicing the Castor Wheels and Bearings; Checking for a Bent Blade

pincotters(Figure23).Headofclevispintobe
positionedtowardthefrontofthedeck.
10.Installa1/2x3/4inchboltandawashertotopof
eachheightofcutrod(
Figure23).
ServicingtheBushingsinthe
CastorArms
Thecastorarmshavebushingspressedintothetopand
bottomofthetubeandaftermanyhoursofoperation,
thebushingswillwear.Tocheckthebushings,movethe
castorforkbackandforthandfromsidetoside.Ifthe
castorspindleislooseinsidethebushings,thebushings
arewornandmustbereplaced.
1.Raisethecuttingunitsothatthewheelsareoffof
theoor.Blockthecuttingunitsothatitcannot
accidentallyfall.
2.Removethetensioningcap,spacer(s),andthrust
washerfromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremainon
thebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthetube
(
Figure24).Alsodrivetheotherbushingoutofthe
tube.Cleantheinsideofthetubestoremovedirt.
Figure24
1.Castorarmtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthenew
bushings.Usingahammerandatplate,drivethe
bushingsintothemountingtube.
6.Inspectthecastorspindleforwearandreplaceitif
damaged.
7.Pushthecastorspindlethroughthebushingsand
mountingtube.Slidethethrustwasherandspacer(s)
ontothespindle.Installthetensioningcaponthe
castorspindletoretainallpartsinplace.
ServicingtheCastorWheels
andBearings
1.Removethelocknutfromtheboltholdingthecastor
wheelassemblybetweenthecastorfork(Figure25).
Graspthecastorwheelandslidetheboltoutofthe
forkorpivotarm.
Figure25
1.Castorwheel3.Bearing(2)
2.Castorfork
4.Bearingspacer
2.Removethebearingfromthewheelhubandallow
thebearingspacertofallout(Figure25).Remove
thebearingfromtheoppositesideofthewheelhub.
3.Checkthebearings,spacer,andinsideofthewheel
hubforwear.Replaceanydamagedparts.
4.Toassemblethecastorwheel,pushthebearinginto
thewheelhub.Wheninstallingthebearings,press
ontheouterraceofthebearing.
5.Slidethebearingspacerintothewheelhub.Pushthe
otherbearingintotheopenendofthewheelhubto
captivatethebearingspacerinsidethewheelhub.
6.Installthecastorwheelassemblybetweenthecastor
forkandsecureitinplacewiththeboltandlocknut.
CheckingforaBentBlade
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthePTOleverin
theOffposition,stoptheengine,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Rotatethebladeuntiltheendsfaceforwardand
backward.Measurefromtheinsideofthecutting
unittothecuttingedgeatthefrontoftheblade
(Figure26),andrememberthisdimension.
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