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execution of the project to which it refers, and from communicating it to third parties without Automatic Systems’ prior written agreement. Document subject to change without notice.
BL3x-MT-EN-08
page
37/59
5.8.
Levelling the barrier arm
•
The barrier is closed (arm horizontal) if the three conditions below are fulfilled:
1. the motor is stopped;
2. the closing limit switch is activated;
3. the screw (
20:4
) is flush (without any pressure) with the closing abutment (
20:5
).
Fig. 19
x
z
19:1
19:1
19:2
y
(Horizontal arm)
•
If the arm is not perfectly horizontal, adjust as follows:
Fig. 20
100
20:1
20:2
20:3
(Vertical arm)
20:5
20:4
--
Make sure that the arm is perfectly aligned with the arm-fixing jaw (
10:3
) or the arm bracket (
11:4
) or
(
12:3
). If not, adjust the arm alignment.
--
Loosen the nuts (
20:1
) and (
20:2
).
Note
: The nut (
20:1
) have a left-handed thread and the nut (
20:2
) a right-handed thread.
--
Rotate the rod (
20:3
) clockwise to raise the arm, counter-clockwise to lower it.
--
While holding the rod strongly, tighten the nuts (
20:1
) and (
20:2
) firmly again.
