Toro 74490 - Page 111

ElectricPTOClutch-CoilResistanceMeasurementTest(continued)
g336410
Figure94
5.SeethePTOClutchElectricalSpecicationschart.
Resistance(OHMs)
AMPDraw
ContinuitytoGroundSeries
2.844.23
OPEN
1500and2000
3.05±5%
3.93
OPEN
2500
ElectricPTOClutch-PTOClutchContinuitytoGroundTest
1.ParkthemachineonalevelsurfaceanddisengagethePTO.Stopthe
engine,waitforallmovingpartstostopandremovethekey.Engagethe
parkingbrake.
2.Disconnecttheclutchwireconnector.
3.Setthemulti-metertomeasureresistance(OHMsetting).
4.Connectonemulti-meterleadtotheengine,chassisorbatteryground.
Connecttheothermulti-meterleadtoeachoftheclutchconnectorterminals.
5.Theclutchconnectorterminalsshouldneverhavecontinuitytogroundand
shouldbeOPENatalltimes.
6.IfcontinuityisfoundbetweenthePTOconnectorandground,thePTOclutch
andthePTOswitchmustbereplaced.
2000SeriesZMASTER®ServiceManual
Page8–13
Electrical:ServiceandRepairs
3438-778RevA