Toro 74142TE - Adjusting the Caster-Pivot Bearing; Adjusting the Electric Clutch

AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichevercomes
rst)
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removethedustcapfromcasterandtightenthe
locknut(Figure57).
4.Tightenthelocknutuntilthespringwashersareat,
andthenbackoffa1/4turntoproperlysetthepreload
onthebearings(Figure57).
Important:Makesurethatthespringwashersare
installedcorrectlyasshowninFigure57.
5.Installthedustcap(Figure57).
Figure57
1.Springwashers
3.Dustcap
2.Locknut
AdjustingtheElectricClutch
ServiceInterval:Every500hours—Checktheelectric
clutch.
Theclutchisadjustabletoensureproperengagementand
properbraking.
1.Inserta0.38to0.53mm(0.015to0.02inch)feeler
gaugethroughaninspectionslotinthesideofthe
assembly.
Note:Makesurethatitisbetweenthearmatureand
therotor-frictionsurfaces.
Note:Thegapneedstobeatleast0.38mm(0.015
inch),andnotmorethan0.53mm(0.02inch).
2.Ifadjustmentisneeded,thensetat0.38mm(0.015
inch)foreachofthe3adjustmentslotpositions.
3.Tightenthelocknutsuntilthereisaslightbindingon
thefeelergauge,butitcanbemovedeasilywithinthe
airgap(Figure58).
4.Repeatthisfortheremainingslots.
5.Checkeachslotagainandmakeslightadjustmentsuntil
thefeelergaugebetweentherotorandarmaturewith
veryslightcontactbetweenthem.
Figure58
1.Adjustingnut3.Feelergauge
2.Slot
44