Comtech EF Data HPCST-5000 - Manual (Page 106)

Redundant System Installation High-Power C-Band Satellite Terminal
4–24 Rev. 0
5. Install the threaded rods as follows:
a. Install two spring nuts in both
20” unistruts mounted on the
C-Band SSPAs.
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
" (i.e., perpendicular to the unistrut).
(3) Release pressure on the spring nut.
(4) Repeat Steps 5.b.(1) through 5.b.(3) for each spring nut.
c. Thread a 5/16-20 nut approximately 1-1/2” onto each threaded rod. (This
will ensure that the threaded rods will extend beyond the unistrut when
installed.)
d. Place a 5/16” split lockwasher, 5/16” flat washer, and flat fitting plate over
each threaded rod.