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Fixing:
• Reset the initial part of the rack on the pinion of
the gearmotor, place a level above the bar rack
and, when this indicates a horizontal position, use
a pencil to mark the position of the slots for making
the holes (Fig.20).
• Remove the rack and make preparatory holes to the
diameter given in the table.
• Replace the bar and fi x it with the special tapping
screws (Fig.22 A) supplied, being careful not to
completely tighten them and constantly checking the
horizontal position of the bar with a level.
• Proceed by fi xing the other components of the rack
as shown (Fig.23).
Warning
Always check with a template (Fig.24 A), that the pitch
between the bar linkages is kept even.
If the fi t is imperfect and it is impossible to maintain the
correct pitch, then you need to adjust them.
• Proceed as given in the previous points.
Warning
To prevent gate from weighing on the operator
pinion, the whole rack must be raised by 1.5
mm using the row of slots for the different rack
components; only after this can the fi xing screws
be fully tightened.
Fig.24
Fig.20
Fig.21
Fig.22
Fig.23
A
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Installation
A
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