Toro 74933 - Checking the Wheel-Lug Nuts; Checking the Wheel-Hub Slotted Nut; Adjusting the Caster-Pivot Bearings

CheckingtheWheel-Lug
Nuts
Checkandtorquethewheellugnutsto122to129
N∙m(90to95ft-lb).
CheckingtheWheel-Hub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis
286to352N∙m(211to260ft-lb).
Note:Donotuseanti-seizecompoundonwheelhub.
g027425
Figure64
1.Slottednut
AdjustingtheCaster-Pivot
Bearings
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromthecasterandtighten
thelocknut(Figure65).
4.Tightenthelocknutuntilthespringwashersare
atandthenbackoff1/4turntoproperlysetthe
pre-loadonthebearings(Figure65).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure65.
5.Installthedustcap.
g001297
Figure65
FrontCaster
1.Springwashers
3.Dustcap
2.Locknut
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