Toro 74310 - Checking the Wheel Lug Nuts; Checking the Wheel Hub Nuts; Adjusting the Caster Pivot Bearings

Figure45
Note:Donotaddanytypeoftirelinerorfoamllmaterial
tothetires.
CheckingtheWheelLugNuts
ServiceInterval:Aftertherst100hours
Every500hours
Checkandtorquethewheellugnutsto122to129N-m(90
to95ft-lb).
CheckingtheWheelHubNuts
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis373to
475N-m(275to350ft-lb).
AdjustingtheCasterPivot
Bearings
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)
1.Movethespeedcontrollevertotheneutralposition
tostopthemachine.
2.DisengagethePTO,engagetheparkingbrake,stopthe
engine,andwaitforallmovingpartstostop.
3.Removethedustcapfromthecasterandtightenthe
locknut(Figure46andFigure47).
4.Tightenthelocknutuntilthespringwashersareatand
thenbackoffa1/4turntoproperlysetthepre-loadon
thebearings(Figure46andFigure47).
Important:Makesurethatthespringwashers
areinstalledcorrectlyasshowninFigure46and
Figure47.
5.Installthedustcap.
Figure46
Frontcaster
1.Springwashers
3.Dustcap
2.Locknut
Figure47
Rearcaster
1.Springwashers
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