Fig. 17
Fig. 18
½ min. turn
Fig. 19
2.3.
Attach the operator on the previously installed back-bracket and fix it with the provided pivot (Fig 16)
2.4.
Release the arm (see paragraph 3)
2.5.
WARNING
: Turn the shaft up to its max. extension, afterwards turn it about at least half turn into the opposit direction (screw it) see Fig.
17 and 18.
Note:
After installation, in opening, leave minimum 0,59 inches of working stroke, to avoid that the operator goes into mechanical lock (if
necessary install the stops on the ground or the optional special mechanical stops for Alpha).
2.6.
Attach the front bracket to the
extremity of the shaft (Fig 19)
2.7.
Close the gate
Fig. 16
ALPHA
13
International registered trademark n. 2.777.971
REV 03 - 06/2009
MECHANICAL INSTALLATION
