Toro Z Master 8000 Series - Checking the Tire Pressure; Checking the Wheel Lug Nuts; Checking the Wheel-Hub Slotted Nuts; Adjusting the Caster-Pivot Bearings

CheckingtheTirePressure
ServiceInterval:Every40hours
Maintaintheairpressureinthereartiresat103kPa
(15psi).Uneventirepressurecancauseunevencut.
Checkthetireswhentheyarecold,togetthemost
accuratepressurereading.
Note:Thefronttiresaresemi-pneumatictiresand
doesnotrequireairpressuremaintenance.
g001055
Figure53
Note:Donotaddanytypeoftirelinerorfoamll
materialtothetires.
CheckingtheWheelLug
Nuts
Checkandtorquethewheellugnutsto122to129
N∙m(90to95ft-lb).
CheckingtheWheel-Hub
SlottedNuts
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis
373to475N∙m(275to350ft-lb).
AdjustingtheCaster-Pivot
Bearings
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,movethe
speed-controllevertotheNEUTRALposition,
disengagetheblade-controlswitch(PTO),and
engagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromthecasterandtighten
thelocknutuntilthespringwashersareat,then
backoff1/4turntoproperlysetthepre-loadon
thebearings(Figure54andFigure55).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure54andFigure55.
4.Installthedustcap.
g001297
Figure54
FrontCaster
1.Springwashers
3.Dustcap
2.Locknut
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