Sea Tel 9497B-1, Installation And Operation Manual

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Installation 9497B-1 C/Ku-Band TVRO
4-6
21. Loosely attach the upper and lower halves
of the radome using the hardware provided.
Do NOT tighten the bolts at this time.
22. Insert wedges between the upper side panel
assembly and the lower side panel assembly
to hold open a space wide enough to install
a good bead of silicone caulk between it
and the lower side panels, then remove the
wedges and firmly tighten all the bolts.
23. Clean excess caulking off the inside and
outside of the perimeter of the equator line
of the radome.
24. Gently restrain the antenna prior to lifting
the ADE onto the ship to restrict movement
inside the radome during the lift. Refer the
Antenna Stowing Procedure in the
Maintenance section of this manual.
4.4.2.
Refer to the System Block diagram, General Assembly, Radome Assembly and Baseframe Assembly drawings
for your system.
144” Radome, Baseframe and Antenna Pedestal System Assembly
NOTE: Unless otherwise indicated, all nuts and bolts should be assembled
with Loctite 271 or its equivalent.
WARNING: Assure that all nut & bolt assemblies are tightened according the tightening torque
values listed below:
SAE Bolt Size Inch Pounds Metric Bolt Size Kg-cm
1/4-20 75 M6 75.3
5/l6-18 132 M6 225
3/8-16 236 M12 622
1/2-13 517
1. Select a secure assembly site that provides enough area to work with the large radome panels. Place
the radome base pan on temporary support blocks at least 22 inches high.
2. Assemble the radome base frames eight legs and eight braces using the hardware provided. Loosely
assemble all legs and braces aligning all matching marks before tightening any of the bolts. Insure
that a split washer is used under each nut.
3. Refer to the radome assembly drawing. Observe the painted numbers on the radome panels that
clearly identify their positions respective to each other and the base pan assembly.
4. Loosely assemble the 6 lower side panels, using the hardware provided, to form the bottom half of
the radome. Do NOT tighten the bolts at this time. Open each seam wide enough to install a good
bead of silicone caulk, then firmly tighten all the bolts in that flange. Repeat until all flanges are
sealed.
5. Loosely assemble the 6 upper side panels, using the hardware provided, to form the upper half of the
radome. Do NOT tighten the bolts at this time. Open each seam wide enough to install a good bead
of silicone caulk, then firmly tighten all the bolts in that flange. Repeat until all flanges are sealed.
6. Apply a good bead of silicone caulk all the way around the top cap. Install the cap into the upper
radome panel assembly using the hardware provided and tighten all the bolts.