3 spar mount – Comtech EF Data HPCST-5000 User Manual
Page 98
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Redundant System Installation
High-Power TWTA Satellite Terminals
3–14
Rev 1
3. Mount the TWTA as follows:
a.
Lift the TWTA into position on the vertical pole.
b. Slip a 14” unistrut over each of pair of threaded rods (upper and lower).
Note: Install the 14” unistruts with the open face toward the pole.
c.
Install a 5/16” flat
washer, 5/16” split
lockwasher, and 5/16-
18 nut on each
threaded rod.
d. Position the TWTA as
desired, and tighten
the 5/16-18 nuts
installed in Step 3.c.
e.
Slide the pipe blocks
inward until they
contact the vertical
pole, then firmly
tighten the 5/16-18
bolts.
3.3.2.2 Square Pole
For square vertical pole installation, follow the steps in Section 3.3.2.1, with the
following exceptions:
•
Do not perform Step 1.
•
Do not perform Step 3.e.
3.3.3 Spar Mount
There is no spar mount option with redundant TWTAs.