Toro 75930 - Checking the Wheel-Lug Nuts; Checking the Wheel-Hub Slotted Nut; Adjusting the Caster-Pivot Bearing; Using the Clutch Shim

CheckingtheWheel-Lug
Nuts
Checkandtorquethewheellugnutsto122to129
N∙m(90to95ft-lb).
CheckingtheWheel-Hub
SlottedNut
ServiceInterval:Aftertherst100hours
Every500hours
Checkandensurethatthetorqueoftheslottednutis
286to352N∙m(211to260ft-lb).
Note:Donotuseanti-seizecompoundonwheelhub.
g029648
Figure67
1.Slottednut
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromcasterandtighten
thelocknut(Figure68).
4.Tightenthelocknutuntilthespringwashersare
at,andthenbackoffa1/4turntoproperlyset
thepreloadonthebearings(Figure68).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure68.
5.Installthedustcap(Figure68).
g001297
Figure68
1.Springwashers
3.Dustcap
2.Locknut
UsingtheClutchShim
Somelatermodelyearunitshavebeenbuiltwith
clutchesthatcontainabrakeshim.Whentheclutch
brakehasworntothepointwheretheclutchnolonger
engagesconsistently,theshimcanberemovedto
extendtheclutchlife.
g010869
Figure69
1.Armature5.Brakespacer
2.Fieldshell6.Re-gapshim
3.Rotor7.Brakepole
4.Brake-mountingbolt
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