Maintenance
AdjustingtheElectricClutch
ServiceInterval:Every500hours
Theclutchisadjustabletoensureproperengagement
andproperbraking.
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Unlatchtheseatandtipitforward.
4.Loosenthefrontenginepanelknobsandremove
thepanel.
5.PulluponthespringloadedidlerpulleyforthePTO
drivebeltandremovethebeltfromtheclutchpulley
(Figure7).
Figure7
1.Springloadedidlerpulley3.PTOdrivebelt
2.Clutch4.Gearbox
6.Unplugtheelectricconnectionfortheclutch
(Figure8).
7.Removethetwoboltsholdingtherubberclutch
straptothemowerframe(Figure8).
8.Removethecenterboltholdingtheclutchto
theengineshaftandremovetheclutchandkey
(Figure8).
Figure8
1.Clutch4.Clutchcenterbolt
2.Twoboltsandnutsfor
clutchstrap
5.Electricalconnection
3.Rubberclutchstrap
9.Inserta0.015–0.021inch(0.381–0.533mm)feeler
gaugethroughoneinspectionslotinthesideofthe
assembly.Makesureitisbetweenthearmatureand
therotorfrictionsurfaces(Figure9).
10.Tightenthelocknutsuntilthereisslightbindingon
thefeelergaugebutitcanbemovedeasilywithinthe
airgap(Figure9).
11.Repeatthisfortheremainingslots.
12.Checkeachslotagainandmakeslightadjustments
untilthefeelergaugebetweentherotorandarmature
hasveryslightcontactbetweenthem.
Figure9
1.Slot
3.Feelergauge
2.Adjustingnut
13.Installtheclutchtotheengineshaftwiththekey.
14.ApplyblueLoctite®(orequivalent)tothecenter
bolt.
15.Whileholdingthecrankshaftatthebackofthe
machine,installthecenterboltandtorqueitto50
ft-lbs(68N-m)(Figure8).
16.Installtherubberclutchstraptothemowerframe
withthetwopreviouslyremovedboltsandnuts
(Figure8).
4