Toro Groundsmaster 4010 - Servicing the Caster-Arm Bushings; Servicing the Caster Wheels and Bearings

ServicingtheCaster-Arm
Bushings
Thecasterarmshavebushingspressedintothe
topandbottomofthetubeandaftermanyhoursof
operation,thebushingsdevelopwear.Tocheckthe
bushings,movethecasterforkbackandforthand
fromsidetoside.Ifthecasterspindleislooseinside
thebushings,thebushingsarewornandmustbe
replaced.
1.Raisethemowerdecksothewheelsareoffthe
oorandblockthemowerdecksoitcannotfall.
2.Removethetensioningcap,spacer(s),and
thrustwasherfromthetopofthecasterspindle.
3.Pullthecasterspindleoutofthemountingtube.
Note:Keepthethrustwasherandspacer(s)on
thebottomofthespindle.
4.Insertapinpunchintothetoporbottomofthe
mountingtubeanddrivethebushingoutofthe
tube(Figure110).
Note:Alsodrivetheotherbushingoutofthe
tube.Cleantheinsideofthetubestoremove
dirt.
g004737
Figure110
1.Caster-armtube
2.Bushings
5.Applygreasetotheinsideandoutsideofthe
newbushings.
6.Usingahammerandatplate,drivethe
bushingsintothemountingtube.
7.Inspectthecasterspindleforwearandreplace
itifitisdamaged.
8.Pushthecasterspindlethroughthebushings
andmountingtube.
9.Slidethethrustwasherandspacer(s)ontothe
spindleandinstallthetensioningcaponthe
casterspindletoretainallpartsinplace.
ServicingtheCaster
WheelsandBearings
ServiceInterval:Every800hours
1.Removethelocknutfromtheboltholdingthe
caster-wheelassemblybetweenthecasterfork
(Figure111)orthecaster-pivotarm(Figure112).
Note:Graspthecasterwheelandslidethebolt
outoftheforkorpivotarm.
g004738
Figure111
1.Casterbolt
3.Bearing
2.Casterfork
4.Bearingspacer
g004739
Figure112
1.Casterwheel
3.Bearing
2.Caster-pivotarm
4.Bearingspacer
2.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure111
andFigure112).
3.Removethebearingfromtheoppositesideof
thewheelhub.
4.Checkthebearings,spacer,andinsideofthe
wheelhubforwearandreplaceanydamaged
parts.
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