Operator's Manual
holesinthecastorarmbracketandtheheightofcut
rodcanbeinsertedintotheliftarmpads(Figure26).
5.Securetheliftarmtothecastorarmwith(2)thrust
washers,aclevispinandahairpincotter.Positionthe
thrustwashersbetweentheliftarmandthecastorarm
bracket(Figure26).Insertendofcotterpinintothe
slotinthecastorarmtabtoretaincotterpin.
6.Repeattheprocedureontheoppositeliftarm.
7.Startthetractionunitandraisethecuttingunit.
8.Pushdownontherearofthecuttingunitandinsert
theheightofcutrodsthroughtheliftarmpads.
9.Installtheheightofcutcollarsontotheheightofcut
rodsandsecurewiththeclevispinsandhairpincotters
(
Figure26).Headofclevispintobepositionedtoward
thefrontofthedeck.
10.Installa1/2x3/4inchboltandawashertotopof
eachheightofcutrod(Figure26).
Figure26
1.Liftarm
7.Hairpincotter
2.Castorarmbracket8.Height-of-cutcollar
3.Height-of-cutrod9.Clevispin
4.Liftarmpads
10.Hairpincotter
5.Thrustwashers11.Bolt
6.Clevispin
ServicingtheBushingsinthe
CastorArms
Thecastorarmshavebushingspressedintothetopand
bottomofthetubeandaftermanyhoursofoperation,the
bushingswillwear.Tocheckthebushings,movethecastor
forkbackandforthandfromsidetoside.Ifthecastor
spindleislooseinsidethebushings,thebushingsareworn
andmustbereplaced.
1.Raisethecuttingunitsothatthewheelsareoffof
theoor.Blockthecuttingunitsothatitcannot
accidentallyfall.
2.Removethetensioningcap,spacer(s),andthrust
washerfromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremainon
thebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthetube
(Figure27).Alsodrivetheotherbushingoutofthe
tube.Cleantheinsideofthetubestoremovedirt.
Figure27
1.Castorarmtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthenew
bushings.Usingahammerandatplate,drivethe
bushingsintothemountingtube.
6.Inspectthecastorspindleforwearandreplaceitif
damaged.
7.Pushthecastorspindlethroughthebushingsand
mountingtube.Slidethethrustwasherandspacer(s)
ontothespindle.Installthetensioningcaponthe
castorspindletoretainallpartsinplace.
ServicingtheCastorWheels
andBearings
1.Removethelocknutfromtheboltholdingthecastor
wheelassemblybetweenthecastorfork(Figure28).
Graspthecastorwheelandslidetheboltoutofthe
forkorpivotarm.
2.Removethebearingfromthewheelhubandallow
thebearingspacertofallout(Figure28).Removethe
bearingfromtheoppositesideofthewheelhub.
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