Cub Cadet RZT-S Series - Manual (Page 83)

Electrical System
77
3. Once the PTO relay is energized by a ground path
through one of the safety switches, it latches.
See Figure 7.25.
3a. The PTO clutch ground path that passes
through the PTO relay is disconnected from the
clutch.
3b. The ground path formerly used by the clutch is
shifted to provide a second ground path for the
relay windings.
3c. Once the relay windings have established the
second ground path, the relay is latched on,
even if the ground path that initially energized
the relay is broken.
3d. The second ground path loops through the B
contacts inside the PTO switch. As long as the
PTO switch is in the ON position, the second
ground path will continue. Therefore, when the
PTO is shut off by the seat switch or the reverse
switch, it is necessary to get back in the seat or
take the mower out or reverse and turn the PTO
switch off and back on again to re-engage the
PTO.
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