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13.7.10 Completing the Installation
The installation should be completed by checking all mounting nuts bolts and screws, securing all
cables and weatherproofing the installation. Warning: Finally tightening the antenna mountings
may cause the antenna alignment to be altered, due to distortion in the mounting bracket caused
by action of tightening. It is recommended that the installation tone be left turned on (armed)
during this process so that any movement can be noticed and counteracted by tightening the other
side of the bracket.
13.7.11 Antenna Cable Fixing
Cables should be secured in place using cable ties, cleats or PVC tape. Care should be taken
to ensure that no undue strain is placed on the connectors on both the Connectorized 500 Series
bridge and the Antennas and also to ensure that the cables do not flap in the wind. Flapping
cables are prone to damage and induce unwanted vibrations in the mast to which the units are
attached.
13.7.12 Antenna Connection Weatherproofing
Where a cable connects to an antenna or unit from above, a drip loop should be left to ensure that
water is not constantly channeled towards the connector.
All joints should be weatherproofed using self-amalgamating tape. It is recommended that a
layer of PVC tape be placed over the self-amalgamating tape to protect the joint while the self-
amalgamating tape cures and gives additional protection.
Figure 107
the antenna manufacturer has not supplied guidance on this matter, the same technique should be
employed at the antenna end of the cable.
PTP 500 Series Bridge - Connectorized Model
Figure 106 Forming a Drip Loop
shows this diagrammatically for the 500 Series bridge end of the antenna cables. If
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