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LEESON Chassis Mount SCR Control User Manual

Page 33

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Operation

SPEEDMASTER™ OPERATION MANUAL

1.

Set the RUN/BRAKE switch to the BRAKE position.

2.

Set the speed adjust potentiometer to “0” (full CCW).

3.

Apply AC line voltage.

4.

Set the POWER switch to the ON position.

5.

Set the FORWARD/REVERSE switch to the desired
direction of rotation.

6.

Set the RUN/BRAKE switch to the RUN position.

7.

Slowly advance the speed adjust potentiometer CW. The
motor slowly accelerates as the potentiometer is turned
CW. Continue until the desired speed is reached.

8.

To brake the motor, set the RUN/BRAKE switch to the
BRAKE position. To coast the motor to a stop, set the
POWER switch to the OFF position.

9.

To reverse direction:
a. Set the RUN/BRAKE switch to the BRAKE position.
b. Set the FORWARD/REVERSE switch to the desired

direction of rotation.

c. Set the RUN/BRAKE switch to the RUN position.

174308 and M1740006

Warning

Do not change the FORWARD/ REVERSE switch while the
motor is running. The motor must come to a complete stop
before reversing. Changing motor direction before allowing
the motor to completely stop will cause excessively high
current to flow in the armature circuit, and may damage the
drive and/or motor.

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