Operator's Manual

ServicingtheBushingsin
theCasterArms
Thecasterarmshavebushingspressedintothetop
andbottomofthetube,andaftermanyhoursof
operation,thebushingswear.
Tocheckthebushings,movethecasterforkback
andforthandfromsidetoside.Ifthecasterspindle
islooseinsidethebushings,thebushingsareworn;
replacethem.
1.Parkthemachineonalevelsurface,raiseand
supportthecuttingunitwithjackstands,engage
theparkingbrake,shutofftheengine,and
removethekey.
2.Removethetensioningcap,spacer(s),and
thrustwasherfromthetopofthecasterspindle.
3.Pullthecasterspindleoutofthemountingtube.
Allowthethrustwasherandspacer(s)toremain
onthebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthe
tube(Figure31).Also,drivetheotherbushing
outofthetube.Cleantheinsideofthetubes
toremovedirt.
g004737
Figure31
1.Casterarmtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthe
newbushings.Useahammerandatplateto
drivethebushingsintothemountingtube.
6.Inspectthecasterspindleforwearandreplace
itifdamaged.
7.Pushthecasterspindlethroughthebushings
andmountingtube,slidethethrustwasher
andspacer(s)ontothespindle,andinstallthe
tensioningcaponthecasterspindle.
ServicingtheCaster
WheelsandBearings
1.Parkthemachineonalevelsurface,raiseand
supportthecuttingunitwithjackstands,engage
theparkingbrake,shutofftheengine,and
removethekey.
2.Removethelocknutfromtheboltholdingthe
casterwheelassemblybetweenthecasterfork
(Figure32).Graspthecasterwheelandslide
theboltoutoftheforkorpivotarm.
3.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure32).
Removethebearingfromtheoppositesideof
thewheelhub.
4.Checkthebearings,spacer,andinsideofthe
wheelhubforwear.Replaceanydamaged
parts.
5.Toassemblethecasterwheel,pushthebearing
intothewheelhub.Wheninstallingthebearings,
pressontheouterraceofthebearing.
g319436
Figure32
1.Casterbolt
4.Bearingspacer
2.Casterfork
5.Largelocknut
3.Bearings
6.Slidethebearingspacerintothewheelhub.
Pushtheotherbearingintotheopenendofthe
wheelhubtocaptivatethebearingspacerinside
thewheelhub.
7.Installthecasterwheelassemblybetweenthe
casterforkandsecureitinplacewiththebolt
andlocknut.
26