Table of Contents
Advertisement
3b. B-COM is in the safety shut-down circuit. It
is a normally opened (NO) set of contacts. A
circuit is completed from the M terminal on
the key switch through the yellow wire to the
Magneto terminal on the RMC module
through the yellow wire with black trace
when the contacts are closed. This gives the
RMC module the ability to turn off the
engine when the PTO is ON.
3c. In C-Com, power is supplied to the PTO
switch from the A1 terminal of the ignition
switch through a red wire. When the PTO
switch is turned on, this completes the cir-
cuit to allow power to go to the PTO clutch.
It is a normally opened (NO) set of contacts.
Figure 7.7
NOTE: The top terminals are showing normally
closed at rest and the middle terminals are nor-
mally open at rest
NOTE: There are three contacts on the right side
in the C-COM. For this application the normally
opened (NO) contact is used.
4.
The Brake Switch is mounted to the inside of
the frame on the right side. See Figure 7.8.
•
The plunger on the switch is depressed when
the clutch / brake pedal is pressed-down, de-
clutching the drive belt and applying the brakes.
The switch contains two sets of contacts.
•
A normally open (NO) set of contacts is in the
starter inhibit circuit. When the clutch / brake
pedal is depressed, the contacts are closed,
power coming from the key switch (key switch in
START) through the orange wire is passed on to
the PTO switch through the orange wire with
black trace.
•
A normally closed (NC) set of contacts is in the
safety shut-down circuit. A circuit is completed
from the M terminal on the key switch, and
directly from the magneto primary windings
through the pair of yellow wires to the clutch /
brake switch through to the yellow wire with
black trace when the contacts are closed.
•
The yellow wire with black trace leads to one
element of the seat switch. If the seat is vacant
and the pedal is up, the engine will turn off.
117
ELECTRICAL SYSTEM
Brake
Switch
Figure 7.8
Advertisement
Table of Contents
