4.Ifadjustmentisneeded,loosenthejamnutand
adjustthebolttothecorrectdistance.Tightenthe
jamnutafteradjustingthebolt(Figure58).
5.Testthesafetyinterlocksystembeforeoperation.
Figure58
1.Proximityswitchtarget4.Boltattachedtothemotion
controllever
2.Proximityswitch5.Distancebetween0.050
and0.090inches(1.27to
2.29mm)isneeded
3.Boltsandnuts6.Jamnut
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Maintaintheairpressureinthereartiresat12-14psi
(83-97kPa).Uneventirepressurecancauseanuneven
cut.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure59
AdjustingtheCasterPivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethedustcapfromcasterandtightenlock
nut(
Figure60).
4.Tightenthelocknutuntilthespringwashersareat
andthenbackoffa1/4turntoproperlysetthe
pre-loadonthebearings(
Figure60).
Important:Makesurespringwashersare
installedcorrectlyasshowninFigure60.
5.Installthedustcap(
Figure60).
43