Toro 30381 - Drive System Maintenance; Checking the Tire Pressure; Replacing the Caster Wheels and Bearings

DriveSystem
Maintenance
CheckingtheTirePressure
ServiceInterval:Every50hours
Checkthepressureafterevery50operatinghoursormonthly,
whicheveroccursrst(Figure72).
Maintaintheairpressureinthefrontandreartires.The
correctairpressureis124kPa(18psi)inthereartiresand
172kPa(25psi)inthecasterwheels.Uneventirepressure
cancauseanunevencut.Checkthetireswhentheyarecold
togetthemostaccuratepressurereading.
Figure72
ReplacingtheCasterWheels
andBearings
1.Obtainanewcasterwheelassembly,conebearings,and
bearingsealsfromyourAuthorizedToroDistributor.
2.Removethelocknutfromtheboltholdingthecaster
wheelassemblybetweenthecasterfork(Figure73).
Figure73
1.Nut
6.Spacer
2.Bearingspacer
7.Casterwheel
3.Outerbearingseal
8.Axlebolt
4.Conebearing9.Casterfork
5.Innerbearingseal
3.Graspthecasterwheel,andslidetheboltoutofthe
forkorpivotarm.
4.Discardtheoldcasterwheelandbearings.
5.Assemblethecasterwheelbypushingthecone
bearingsandseals,packedwithgrease,intothewheel
hub,positionedasshowninFigure73.
6.Slidethespacerintothewheelhubthroughthe
bearings,captivatingthespacerinsidethewheelhub
with2bearingspacers.
Important:Ensurethattheseallipsarenot
foldedinward.
7.Installthecaster-wheelassemblybetweenthecastor
forkandsecureitinplacewiththeboltandlocknut.
8.Tightenthenutuntilthewheelnolongerspinsfreely,
thenbackitoffjustuntilthewheelspinsfreely.
9.Attachagreaseguntothegreasettingonthe
casterwheelandllitwithNo.2general-purpose,
lithium-basedgrease.
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