CheckingtheWheelLugNuts
Checkandtorquethewheellugnutsto122to129N∙m(90
to95ft-lb).
CheckingtheWheel-Hub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis286to
352N∙m(211to260ft-lb).
Note:Donotuseanti-seizecompoundonthewheelhub.
Figure73
1.Slottednut
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethedustcapfromcasterandtightenthe
locknut(Figure74).
4.Tightenthelocknutuntilthespringwashersareat,
andthenbackoffa1/4turntoproperlysetthepreload
onthebearings(Figure74).
Important:Makesurethatthespringwashersare
installedcorrectlyasshowninFigure74.
5.Installthedustcap(Figure74).
Figure74
1.Springwashers
3.Dustcap
2.Locknut
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