Toro 74990 - Adjusting the Tracking; Checking the Tire Pressure

g008943
Figure63
1.ROPSknob(locked
position)
3.Rollbarintheupright
position
2.PullROPSknoboutand
rotate90degreesto
changerollbarposition
4.Rollbarinthefolded
position
AdjustingtheTracking
1.Disengagetheblade-controlswitch(PTO).
2.Drivetoanopenatarea,movethe
motion-controlleverstotheneutral-locked
position.
3.Movethethrottlemidwaybetweenfastandslow.
4.Movebothmotion-controlleversalltheway
forwarduntiltheybothhitthestopsintheT-slot.
5.Checkwhichwaythemachinetracks.
6.Ifittrackstotheright,loosentheboltsandadjust
theleftstopplaterearwardontheleftT-slotuntil
themachinetracksstraight(Figure64).
7.Ifittrackstotheleft,loosentheboltsandadjust
therightstopplaterearwardontherightT-slot
untilthemachinetracksstraight(Figure64).
8.Tightenthestopplate(Figure64).
g029647
Figure64
Leftcontrollevershown
1.Controllever3.Stopplate
2.Bolt
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Maintaintheairpressureinthereartiresat90kPa
(13psi).Uneventirepressurecancauseunevencut.
Checkthetireswhentheyarecold,togetthemost
accuratepressurereading.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
g001055
Figure65
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