Sea Tel 9497B-21, Installation And Operation Manual

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9497B-21 C/Ku-Band TVRO Installation
4-11
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. Hoist the lower section of the
radome, hover above the base
frame to align door panel with
the hatch in the base frame
(the door and hatch are “AFT”
in the radome) and set it onto
the base frame.
2. Place 4-8 bolts around the
perimeter of the bottom
flange of the lower half of the
radome, through the flange
into the base frame holes to
align the holes.
3. Loosely install all of the bolts,
fender washers and nuts to
attach the lower panels to the
base frame using the
hardware provided. Do NOT
tighten the bolts at this time.
4. Use wedges to lift the lower
panel assembly up off of the
riser panels about ½ inch.
5. Install a good bead of
caulking between the bottom
of the lower panels and the
base frame (smaller dual
beads of caulking can be
applied from outside and
inside if you prefer) , remove
the wedges, apply Loctite to
and then firmly tighten all of
the horizontal seam bolts.
6. Clean excess caulking off
inside and outside of the
radome.
7. Remove tape from the
horizontal edges of the lower
panels.
The bottom half of the radome is
complete. Next you will assemble
your antenna pedestal General
Assembly and install it into this
portion of the radome, before
putting the top half of the radome
on.