GAPOSA M15A Manual de referencia - Página 8

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2. The safety brake must be always installed with the arrow pointing to the direction in

which the shutter descends; M1A and P200 safety brakes lock in both directions and

for this reason they can an indifferently be installed on the right or on the left side of

the shaft;

3. M1A and P200 safety brake must be installed in square and with the cable on the top

(Fig.1), the safety brakes base (from M3A to M30A) must be installed as horizontally

as possible; all safety brakes must be in square as regards the vertical level (perpen-

dicularly with respect to the shutter's shaft); in both directions any deviation must

not exceed ±3° (fig.1). A wrong horizontal or vertical alignment may vary the locking

speed and may cause a bad operation of the system;

4. For the base use fastening screws (n. 4 for M1A/P200 and n.2 screws for the other

models) with a suitable diameter (ref. Tab. B);

5. Weld the support pins of the shaft concentrically to it;

6. Insert the shaft support pin (with key or square in case of M1A and P200) into the

safety brake hole smoothly; eventually check the alignment between the safety brake

hole, on one side, and the output shaft on the other side;

7. Avoid a snapping working of the shutter since it might cause the intervention of the

safety brake. A well-built side slide and good profiles assure a regular working of the

device;

8. Connect the safety brake electrical cable (complete with micro switch and NC con-

tact) to the STOP control in the motor control unit (P. 28);

During installation, in order to avoid bad performances of the safety brake, do not tam-

per the screws and the relative nuts on the central body; GAPOSA srl is not responsible

for damages caused by a wrong installation or an improper use.

TESTING INSTRUCTIONS

The testing process of the safety brake consists of:

1. An accurate check of a perfect installation, by making sure that all the fastening

screws of the base and of the safety brake are provided with suitable self- locking

washers and perfectly tightened. Make also sure that the safety brake has not been

unduly opened.

2. A check of the electrical continuity at the extremity of the micro-switch thread.