17
Mounting the Antenna Bay(s)
4
Mounting the Antenna Bay(s)
Mount the antenna
bays.
WARNING
Whenever a rigger is on the tower in the area of the antenna, shut off
the signal and lock it off so that it cannot be turned on accidentally. RF
emissions at close range are hazardous.
CAUTION
Do not attach the bays together with the RF cable before mounting
them. NEVER try to support the bays from the cable.
a. Using the galvanized 5/8" hardware (
), attach the
threaded rods (
NOTE
Mount antenna bays with feed straps up, clear of all guylines and other
obstructions.
b. Using the galvanized 5/8" hardware, attach the clamp halves (
) to the
threaded rods (
), encircling the mounting pole as shown. Do not tighten
the hardware fully yet.
c. Repeat for the other antenna bay(s) as applicable.
d. Ensure the bays are located on the mounting pole at the locations you
marked.
e. Align the bays to the correct azimuth and vertically with each other, then
tighten the mounting hardware to 37 ft-lb.
NOTE
The Model 6842 does not require pressurization or purging. The feed
system up to the bays may be pressurized.
Please proceed to
Connecting the Antenna (single-bay)
Connecting the Antenna (2-bay)
on page 31 as applicable.
Figure 12. Bay mounting on pole
Summary of Contents for 6842
Page 4: ......
Page 8: ......
Page 11: ...3 Preparation Figure 1 Tower layout single bay antenna ...
Page 12: ...Preparation 4 Figure 2 Tower layout two bay antenna ...
Page 13: ...5 Preparation Figure 3 Tower layout three bay antenna ...
Page 14: ...Preparation 6 Figure 4 Tower layout four bay antenna ...
Page 15: ...7 Preparation Figure 5 Tower layout five bay antenna ...
Page 16: ...Preparation 8 Figure 6 Tower layout six bay antenna ...
Page 17: ...9 Preparation Figure 7 Tower layout eight bay antenna ...
Page 18: ...Preparation 10 Figure 8 Top mounted installation ...
Page 22: ......
Page 26: ......
Page 32: ......
Page 37: ...29 Connecting the Antenna 2 bay Figure 17 Two way power divider mounted and connected ...
Page 38: ......
Page 46: ...Startup 38 Figure 21 Apply the signal ...
Page 48: ......
Page 51: ...43 Parts Figure 23 Endseal radome components ...
Page 58: ......
Page 60: ...52 Figure A 1 22 Feed Strap with Endseal Radome Deicer ...
Page 61: ...53 Figure A 2 6842 Exploded View with Endseal Radome ...
Page 62: ...54 Figure A 3 Bay Arm Stickers ...
Page 63: ...55 Figure A 4 Power Divider Mount Detail ...
Page 64: ......