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6.4
Changing closing direction indication
As a standard, AT actuator is configured to close clockwise. If the actuator
must close counter-clockwise, you can modify opening and closing set
orientation of the position indicator.
To change closing direction indication
1. Open the indicator.
2. Remove and switch the red marker tagged "C" (CLOSE) with the
green marker tagged "O" (OPEN).
3. Close the indicator.
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TORQUE LIMITING DEVICE
7.1
Torque limiter operation
The actuator is protected by a torque limiting device in case of over-
torque.
Torque limiter is triggered as (1) or (2) cams trigger their
corresponding switches when rotating.
Torque limiter is fitted with 2 scale disks (3) and (4) to read torque
value for both directions. They have torque graduations from 40 to
100% of the maximum torque deliverable by the actuator.
Torque limiter provides a maintained contact.
If the actuator stops in a position which is not the one desired, please
check that:
4 – Closing direction torque scale
3 – Opening direction torque scale
2 – Counter-clockwise direction
cam
1 – Clockwise direction cam
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