Switch, Pto - Toro 315-8 User Manual

GLOSSARY

Switch, PTO

Purpose
The PTO switch is typically used to turn on the Electric
PTO Clutch and to function as part of the safety
interlock system.
How it Works
When the PTO switch is pulled out to the "ON" position,
contacts inside the switch electrically connect various
terminals. One terminal is connected to the wire that
goes directly to the electric clutch. When the PTO is
pulled out to the "ON" position, voltage flows to the
electric clutch and engages.
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Testing
1. Disengage the PTO, set the parking brake, and
turn the ignition to OFF and remove the key.
2. Disconnect the wiring harness from the PTO
switch.
3. Press in on the locking tabs, on each side of the
switch, and pull the switch out of the dash
(towards the rear of the tractor).
4. Verify that there is continuity between the
appropriate terminals in the "ON" and "OFF"
positions, Figure 40.
5. Replace the switch if your test results do not
correspond with those given in Figure 40.
Mount the PTO switch back into the dash and reinstall
the wiring harness.
Figure 40
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Demystification Glossary