Toro 74538 - Adjusting the Electric Clutch

2.Removeonebushing,thenpullthespannerbushing
androllerbearingoutofthewheelhub(Figure61).
3.Removetheotherbushingfromthewheelhub
andcleananygreaseanddirtfromthewheelhub
(
Figure61).
4.Inspecttherollerbearing,bushings,spannerbushing
andinsideofthewheelhubforwear.Replaceany
defectiveorwornparts(Figure61).
5.Toassemble,placeonebushingintothewheelhub.
Greasetherollerbearingandspannerbushingand
slidethemintothewheelhub.Placethesecond
bushingintothewheelhub(
Figure61).
6.Installthecasterwheelintothecasterforkand
securewiththewheelboltandlocknut.Tightenthe
locknutuntilthespannerbushingbottomsagainst
theinsideofthecasterforks(
Figure61).
7.Greasethettingonthecasterwheel.
AdjustingtheElectricClutch
ServiceInterval:Every100hours—Checktheelectric
clutch.
Theclutchisadjustabletoensureproperengagement
andproperbraking.
1.Inserta0.015–0.021inch(0.381-0.533mm)feeler
gaugethroughoneinspectionslotinthesideofthe
assembly.Makesureitisbetweenthearmatureand
therotorfrictionsurfaces.
Thegapneedstobeatleast.015inches(0.381mm)
andnotmorethan.021inches(0.533mm).
2.Ifadjustmentisneeded,usea.015inch(0.381mm)
feelergaugetoseteachofthethreeadjustmentslot
positions.Tightenthelocknutsuntilthereisslight
bindingonthefeelergaugebutitcanbemoved
easilywithintheairgap(
Figure62).
3.Repeatthisfortheremainingslots.
4.Checkeachslotagainandmakeslightadjustments
untilthefeelergaugebetweentherotorandarmature
withveryslightcontactbetweenthem.
Figure62
1.Adjustingnut3.Feelergauge
2.Slot
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