Toro 74901 - Checking the Tire Pressure; Checking the Wheel Hub Slotted Nut

7.Ifittrackstotheleft,loosentheboltsandadjustthe
rightstopplaterearwardontherightT-slotuntilthe
machinetracksstraight(Figure60).
8.Tightenthestopplate(
Figure60).
Figure60
Leftcontrollevershown
1.Controllever3.Stopplate
2.Bolt
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Maintaintheairpressureinthereartiresat13psi(90
kPa).Uneventirepressurecancauseunevencut.Check
thetireswhentheyarecoldtogetthemostaccurate
pressurereading.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure61
CheckingtheWheelHub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
See
Figure62todeterminewhichslottednuthasbeen
installedontheunit.
Figure62
1.StyleA(blacknish)3.StyleB(yellowzinc)
2..03inch(.76mm)4..24inch(6mm)
•StyleA(blacknish):
Torquetheslottednutto211-260ft-lb(286-352
N-m).
Note:DoNotuseanti-seizeonwheelhub.
•StyleB(yellowzinc):
1.Removeanddiscardthecotterpin.
2.Torquetheslottednutto200ft-lb(271N-m).
3.Checkdistancefrombottomofslotinnutto
insideedgeofhole.Twothreads(0.1inch)or
lessshouldbeshowing.
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