Toro 74267 - Adjusting the Electric Clutch

AdjustingtheElectric
Clutch
ServiceInterval:Every500hours
Theclutchisadjustabletoensureproperengagement
andproperbraking.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Unlatchtheseatandtipitforward.
4.Loosenthefrontenginepanelknobsand
removethepanel.
5.Pulluponthespring-loadedidlerpulleyforthe
PTO-drivebeltandremovethebeltfromthe
clutchpulley(Figure68).
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Figure68
1.Spring-loadedidlerpulley3.PTO-drivebelt
2.Clutch4.Gearbox
6.Unplugtheelectricconnectionfortheclutch
(Figure69).
7.Removethe2boltsholdingtherubberclutch
straptothemowerframe(Figure69).
8.Removethecenterboltholdingtheclutchto
theengineshaftandremovetheclutchandkey
(Figure69).
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Figure69
1.Clutch4.Clutchcenterbolt
2.2boltsandnutsforclutch
strap
5.Electricalconnection
3.Rubberclutchstrap
9.Inserta0.381to0.533mm(0.015to0.021inch)
feelergaugethroughaninspectionslotinthe
sideoftheassembly(Figure70).
Note:Makesurethatitisbetweenthearmature
andtherotorfrictionsurfaces.
10.Tightenthelocknutsuntilthereisslightbinding
onthefeelergaugebutitcanbemovedeasily
withintheairgap(Figure70).
11.Repeatthisfortheremainingslots.
12.Checkeachslotagainandmakeslight
adjustmentsuntilthefeelergaugebetween
therotorandarmaturehasveryslightcontact
betweenthem.
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Figure70
1.Slot
3.Feelergauge
2.Adjustingnut
13.Installtheclutchtotheengineshaftwiththekey.
14.Applythread-lockingadhesivetothecenterbolt.
15.Whileholdingthecrankshaftatthebackofthe
machine,installthecenterboltandtorqueitto
68N∙m(50ft-lb)(Figure69).
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