5
4.
Installation
4.2 Installation of leaf supporting foundation box (fig.3)
4.1 Preliminary Checks
Proceed as instructed below:
To ensure trouble-free operation, make sure
that the gate (whether existing or yet to be
installed) are within following specifications:
– max. weight of single leaf 800 Kg
– max. length of single gate leaf 4 m (see
table 1)
– strong and rigid leaf frame
– smooth gate movement
– min. clearance between bottom edge of
gate and ground as in fig. 6/a (where ‘s’ =
thickness of guide bracket)
– mechanical travel stops.
If any welding or brazing has to be done on
the gate, do this before installing the
automation system.
a)
Existing gate with fixed hinges
– Remove the gate.
– Remove the bottom hinge.
If the gate cannot be removed, place
blocks under its bottom edge to support it.
b)
Existing gate with adjustable hinges
– Remove the bottom hinge.
– Slacken off the top hinge.
– Swing the leaf around the axis of the
top hinge (fig. 4).
c)
New gate to be installed
– Fit just the top hinge. If possible use an
adjustable hinge.
Fig. 6/a
Fig. 3
Fig. 4