Toro 74969 - Checking the Tire Pressure; Checking the Wheel Lug Nuts; Checking the Wheel-Hub Slotted Nut; Adjusting the Caster-Pivot Bearing

CheckingtheTirePressure
ServiceInterval:Every40hours
Maintaintheairpressureinthereartiresat103kPa
(15psi).Uneventirepressurecancauseunevencut.
Checkthetireswhentheyarecold,togetthemost
accuratepressurereading.
Note:Thefronttiresaresemi-pneumatictiresand
doesnotrequireairpressuremaintenance.
g001055
Figure74
Note:Donotaddanytypeoftirelinerorfoamll
materialtothetires.
CheckingtheWheelLug
Nuts
Checkandtorquethewheellugnutsto122to129
N∙m(90to95ft-lb).
CheckingtheWheel-Hub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis
286to352N∙m(211to260ft-lb).
Note:Donotuseanti-seizecompoundonwheelhub.
g027341
Figure75
1.Slottednut
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromcasterandtighten
thelocknut(Figure76).
4.Tightenthelocknutuntilthespringwashersare
at,andthenbackoffa1/4turntoproperlyset
thepreloadonthebearings(Figure76).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure76.
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