Toro Groundsmaster 5900 - Adjusting the Wing Cutting-Unit Pitch; Servicing the Caster-Arm Bushings; Servicing the Caster Wheels and Bearings

AdjustingtheWingCutting-Unit
Pitch
1.Removethetensioningcapfromthe
caster-spindleshaftandslidethespindleoutof
thecasterarm(Figure138).
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Figure138
1.Tensioningcap4.Topaxle-mountinghole
2.Spacers5.Casterwheel
3.Shims
2.Positiontheshims,asrequired,toraiseorlower
thecasterwheeluntilthecuttingunithasthe
correctpitch.
3.Installthetensioningcap.
ServicingtheCaster-Arm
Bushings
Thecasterarmshavebushingspressedintothetop
andbottomofthetube,andaftermanyhoursof
operation,thebushingswear.T ocheckthebushings,
movethecasterforkbackandforthandfromsideto
side.Ifthecasterspindleislooseinsidethebushings,
thebushingsareworn;replacethem.
Removethetensioningcapandcasterfork(Figure
138).
Note:Recordthepositionofthewashersand
spacersbeforeyouremovethemsothatyoudonot
needtoadjustthedeckpitch.
ServicingtheCaster
WheelsandBearings
ServiceInterval:Every500hours—Inspect
thecuttingunitcaster-wheel
assemblies.
1.Removethelocknutfromtheboltholdingthe
caster-wheelassemblybetweenthecasterfork
orthecaster-pivotarm(Figure139).
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Figure139
1.Casterwheel
3.Bearing
2.Casterfork
4.Bearingspacer
2.Graspthecasterwheelandslidetheboltoutof
theforkorpivotarm(Figure139).
3.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure139).
4.Removethebearingfromtheoppositesideof
thewheelhub(Figure139).
5.Checkthebearings,spacer,andinsideofthe
wheelhubforwear.
Note:Replaceanydamagedparts.
6.Toassemblethecasterwheel,pushthebearing
intothewheelhub.
Note:Wheninstallingthebearings,presson
theouterraceofthebearing.
7.Slidethebearingspacerintothewheelhuband
pushtheotherbearingintotheopenendofthe
wheelhubtocaptivatethebearingspacerinside
thewheelhub.
8.Installthecaster-wheelassemblybetweenthe
casterforkandsecureitinplacewiththebolt
andlocknut.
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