7
Antenna Installation
c. The partial radome closure plates are shipped separately. Install them over
the end seal, using the hardware provided.
d. Repeat the above steps for the remaining feedline sections.
Figure 3. Flange hardware
tightening sequence
Install standard
radomes (if applicable)
If your system includes standard radomes, you can most easily install them on
the ground following completion of
Install the back support mounts
and
Install
the bay radiators
. See
Figure 4
on page 8.
NOTE
Radome match-markings bear no relation to radiator and feedline mark-
ings. Install any radome on any bay.
Radome halves are match-marked in pairs (A-A, B-B, etc.). In order to align
the flange bolt holes, be sure to pair them according to their match-markings.
a. Select a pair of radome halves match-marked with the same letter
designation (A and A, B and B, etc.). The top (1) and bottom (2) radome
halves include the radome-mounted halves (3) and (4) of the radome
mounting brackets.
b. Open the hardware kit. The kit contains:
• hardware (5), 1/4-20, for the radome flanges,
• hardware (6) to join the radome mounting bracket halves, and
• hardware (7) to secure the mounting brackets to the feedline
mount flange (8),
• the flange-mounted halves (9) and (10) of the mounting brackets.
Table 1. Torque specifications, flange bolts
Transmission Line Size
Bolt Size
Torque
1-5/8"
5/16-18
10 ft-lb
13 N-m
2-1/8"
3/8-16
16 ft-lb
23 N-m
3-1/8"
3/8-16
16 ft-lb
23 N-m
4-1/16"
3/8-16
16 ft-lb
23 N-m