Barrier Model Avr; Fig. 23 - Vertical Adjustment On Barrier Model Avr - Automatic Systems BL 227 EVO Technical Manual

7.5.2. BARRIER MODEL AVR

1. Turn off the barrier's power supply ( Chap. 8.2, page 38).
THANKS TO THE SPRING(S), THE ARM IS RAISED AUTOMATICALLY.
2. Loosen the locknut (3).
3. Screw or unscrew the upper stop (2) until the optimal vertical position is obtained.
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4. Tighten the locknut again (3).
5. Note down the position of the upper location of the spring (8) on the hub (4)  Fig. A.
6. Loosen the locknut (5) and completely release the spring tension by loosening the nut (6)  Fig. B.
7. Maintain the arm in vertical position and release the spring (8) from the upper location on the hub (4) by unscrewing the
screw (7)  Fig. C.
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Fig. A

Fig. 23 - Vertical adjustment on barrier model AVR

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Fig. B
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BL 227 EVO
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Fig. C
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