Comtech EF Data HPCST-5000 - Manual (Page 98)

Redundant System Installation High-Power C-Band Satellite Terminal
4–16 Rev. 0
3. Install the 20” unistruts as follows:
a. Position a spring nut
between the 1/4-20
bolts in each 8”
unistrut.
b. Install each spring nut as follows:
(1) Place the spring nut in the unistrut channel, spring side down, with its
wide side parallel with the unistrut channel.
(2) Press down on the spring nut to compress the spring, and rotate the nut
90
".
(3) Release pressure on the spring nut.
c. With the RFTs side by
side, position a 20”
unistrut in place over
one pair of 8” unistruts
(open side up).
d. Using four 5/16-18
bolts, 5/16” split
lockwashers, and
5/16” flat washers,
bolt the 20” unistrut to
the 8” unistruts.
e. Tighten the bolts
firmly.
f. Repeat Steps 3.c.
through 3.e. for the
second 20” unistrut.