Toro 30446 - Blade Maintenance; Checking for a Bent Blade; Removing and Installing the Cutter Blade(S)

2.Removethebearingfromthewheelhuband
allowthebearingspacertofallout(Figure84and
Figure85).Removethebearingfromtheopposite
sideofthewheelhub.
3.Checkthebearings,spacer,andinsideofthewheel
hubforwear.Replaceanydamagedparts.
4.Toassemblethecastorwheel,pushthebearinginto
thewheelhub.Wheninstallingthebearings,press
ontheouterraceofthebearing.
5.Slidethebearingspacerintothewheelhub.Pushthe
otherbearingintotheopenendofthewheelhubto
captivatethebearingspacerinsidethewheelhub.
6.Installthecastorwheelassemblybetweenthecastor
forkandsecureitinplacewiththeboltandlocknut.
BladeMaintenance
CheckingforaBentBlade
Afterstrikingaforeignobject,inspectthemachinefor
damageandmakerepairsbeforerestartingandoperating
theequipment.Torqueallthespindlepulleynutsto130
to150ft-lb(176to203N⋅m).
1.Positionthemachineonalevelsurface.Raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,putthePTOleverin
theOffposition,stoptheengine,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Rotatethebladeuntiltheendsfaceforwardand
backward(Figure86).Measurefromtheinsideof
thecuttingunittothecuttingedgeatthefrontofthe
blade.Rememberthisdimension.
Figure86
3.Rotatetheoppositeendofthebladeforward.
Measurebetweenthecuttingunitandcuttingedge
ofthebladeatthesamepositionasinstep2.The
differencebetweenthedimensionsobtainedinsteps
2and3mustnotexceed1/8inch(3mm).Ifthe
dimensionexceeds1/8inch(3mm),thebladeis
bentandmustbereplaced;refertoRemovingand
InstallingtheCutterBlade.
RemovingandInstallingthe
CutterBlade(s)
Theblademustbereplacedifasolidobjectishit,the
bladeisoutofbalance,orifthebladeisbent.Always
usegenuineTororeplacementbladestobesureofsafety
andoptimumperformance.Neverusereplacement
bladesmadebyothermanufacturersbecausetheycould
bedangerous.
1.Raisethecuttingunittothehighestposition,engage
theparkingbrake,stoptheengine,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Grasptheendofthebladeusingaragorthickly
paddedglove.Removethebladebolt,anti-scalpcup,
andbladefromthespindleshaft(Figure87).
3.Installtheblade,anti-scalpcup,andbladebolt.
Tightenthebladeboltto85to110ft-lb(115to149
N⋅m).
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