7
3.
Lay down a PVC tube of diameter 40
mm through which the electrical cable
passes. The tube must reach from the
box to the control unit (fig. 8). Install a
second tube as a surface water drain
(fig. 8).
4.
Fix the box with concrete.
N.B.:
Wait for the concrete to set before
starting this work.
1.
Prepare the gate guide bracket as
follows:
– Use a ‘U’ profile of the dimensions
given in fig. 9.
– Ascertain the correct location for the
bushing to suit the position of the gate
with respect to the axis of rotation
(fig. 10 a/b).
Fig. 8
Fig. 9
Fig. 10a
Fig. 10b
4.3 Setting up the gate