Toro TITAN Max - Electric PTO Clutch

PTOSwitchTest(continued)
•Pin2and5shouldNOThavecontinuity(open)
ElectricPTOClutch
ThePTOclutchelectronicallycontrolstheengagementanddisengagement
ofthePTOpulley(deckbelt).
ThePTOclutchiscomposedofthreemajorcomponents:
•Field
•ClutchPlate
•FrictionPlate
Theclutchplatealwaysturnswiththeengine(crankshaft).Theeldisacoilof
wireonanironcorewhichbecomesanelectromagnetwhenpowerisapplied.
Thefrictionplateistheonlypiecethatmovesverticallyonthecrankshaft.Itis
normallyspringloadedsothatitisnotincontactwiththeclutchplateandis
pressedagainstthebrakematerialoppositetheclutchplate.Whenpoweris
applied,thefrictionplateispulledtowardtheclutchplateandthetworotateas
one.Whentheclutchplateandthefrictionplaterotateasdifferentspeedsit
isknownasclutchslipping.
ElectricPTOClutchRemoval
1.ParkthemachineonalevelsurfaceanddisengagethePTO.Stoptheengine,
waitforallmovingpartstostop,andremovekey.Engagetheparkingbrake.
2.Disconnectthebatterybyremovingthenegativecablerst,thenthepositive
cablefromthebattery.
3.Placetheheightofcutpinintothethirdholetolockthemowerdeckinthe
lowestheightofcutposition.
g344397
Figure117
4.Liftandremovetheoorpanfromthemachine.
ElectricalSystem:ServiceandRepairs
Page8–10
TITAN®MaxServiceManual
3442-428RevA