Operator's Manual

g296375
Figure20
1.Liftarm
3.Washer
2.Castorarm
4.Bolt
5.RemovetheboltsandnutsfromthePTOshaft
(Figure21)andslidetheyokeoutofthegearbox.
Note:RefertotheOperator’sManual,to
properlyalignthesplinesifyouseparatethe
driveshaftcomponents.
g299646
Figure21
1.Gearbox
3.Boltsandnuts
2.PTOshaft
ServicingtheBushingsin
theCastorArms
Thecastorarmshavebushingspressedintothetop
andbottomofthetube,andaftermanyhoursof
operation,thebushingswear.
Tocheckthebushings,movethecastorforkback
andforthandfromsidetoside.Ifthecastorspindle
islooseinsidethebushings,thebushingsareworn;
replacethem.
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Removethetensioningcap,spacer(s),and
thrustwasherfromthetopofthecastorspindle.
3.Pullthecastorspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremain
onthebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthe
tube(Figure22).Also,drivetheotherbushing
outofthetube.Cleantheinsideofthetubes
toremovedirt.
g004737
Figure22
1.Castorarmtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthe
newbushings.Useahammerandatplateto
drivethebushingsintothemountingtube.
6.Inspectthecastorspindleforwearandreplace
itifdamaged.
7.Pushthecastorspindlethroughthebushings
andmountingtube,slidethethrustwasher
andspacer(s)ontothespindle,andinstallthe
tensioningcaponthecastorspindle.
ServicingtheCastor
WheelsandBearings
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Removethelocknutfromtheboltholdingthe
castorwheelassemblybetweenthecastorfork
(Figure23).Graspthecastorwheelandslide
theboltoutoftheforkorpivotarm.
3.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure23).
Removethebearingfromtheoppositesideof
thewheelhub.
4.Checkthebearings,spacer,andinsideofthe
wheelhubforwear.Replaceanydamaged
parts.
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