CheckingtheWheel-Hub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis286to
352N∙m(211to260ft-lb).
Note:Donotuseanti-seizecompoundonthewheelhub.
Figure63
1.Slottednut
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removethedustcapfromcasterandtightenthe
locknut(Figure64).
4.Tightenthelocknutuntilthespringwashersareat,
andthenbackoffa1/4turntoproperlysetthepreload
onthebearings(Figure64).
Important:Makesurethatthespringwashersare
installedcorrectlyasshowninFigure64.
5.Installthedustcap(Figure64).
Figure64
1.Springwashers
3.Dustcap
2.Locknut
49