Toro TIMECUTTER 75740 - Page 195

PTOClutchTesting(continued)
g309780
Figure273
5.SeethePTOClutchElectricalSpecicationschartbelow:
ModelNumber
Resistance(OHMs)
AMPDraw
ContinuitytoGround
74694,75750,75751,
75753,75755,75759
3.69±5%
3.25A
Open
75755TA,75754,75757,
75760
3.05±5%
3.93A
Open
74685,74687,74690,
75742TA,75745TA,75740,
75741,75742,75743,
75744,75745
3.02±5%
3.97A
Open
74710
3.02±5%
3.97A
Open
PTOClutchContinuitytoGroundCheck
1.Parkthemachineonalevelsurfaceandsettheparkingbrake.Stopthe
engine,waitforallmovingpartstostopandremovethekey.
2.Disconnecttheclutchwireconnector.
3.Setthemulti-metertomeasureresistance(OHMsetting).
4.Connectonemulti-meterleadtotheengine,chassisorbatteryground.
Connecttheothermulti-meterleadtoeachoftheclutchconnectorterminals.
5.The2clutchconnectorterminalsshouldneverhavecontinuitytoground
andshouldOPENatalltimes.
6.IfcontinuityisfoundbetweenthePTOconnectorandground,thePTOclutch
andthePTOswitchmustbereplaced.
TIMECUTTER®ServiceManual
Page8–7
ElectricalSystem:ServiceandRepairs
3433-938RevA