Figure61
Leftcontrollevershown
1.Controllever3.Stopplate
2.Bolt
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Maintaintheairpressureinthereartiresat13psi(90
kPa).Uneventirepressurecancauseunevencut.Check
thetireswhentheyarecoldtogetthemostaccurate
pressurereading.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure62
CheckingtheWheelHub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
1.Removethecotterpin.
2.Torquetheslottednutto200ft-lb(271N-m).
3.Checkthedistancefromthebottomoftheslotin
thenuttotheinsideedgeofthehole.Twothreads
(0.1inch)orlessshouldbeshowing.
Figure63
1.0.1inchmax2.Nomorethantwothreads
(0.1inchmax)shouldbe
showinghere.
4.Ifmorethantwothreads(0.1inch)areshowing,
removethenutandinstallawasherbetweenthehub
andthenut.
5.Torquetheslottednutto200ft-lb(271N-m).
6.Thentightenthenutuntilthenextsetofslotsline
upwiththecrossholeintheshaft.Donotloosen
thenuttoaligntheslot.Ifrequired,tightentothe
nextsetofslots.
7.Installthecotterpin.Useanewcotterpinifneeded.
Note:Donotuseanti-seizeonthewheelhub.
AdjustingtheCasterPivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethedustcapfromcasterandtightenlock
nut(Figure64).
45