Comtech EF Data HPCST-5000 - Manual (Page 94)

Redundant System Installation High-Power C-Band Satellite Terminal
4–12 Rev. 0
5. Install the threaded rods as follows:
a. Install two spring nuts in both
20” unistruts mounted on the
RFT.
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 spring nuts when
installed.)
d. Place a 5/16” split lockwasher, 5/16” flat washer, and flat fitting plate over
each threaded rod.