Comtech EF Data HPCST-5000 - Manual (Page 91)

High-Power C-Band Satellite Terminal Redundant System Installation
Rev. 0 4–9
3. Install the 20” unistruts as follows:
Note: The placement of the pipe blocks may interfere with the inner or center
unistrut attaching bolts. Be sure to determine the pipe block placement locations
before bolting the 20” unistruts in place. It may be necessary to eliminate the
center or inner 20” unistrut mounting spring nuts and bolts.
a. Insert a spring nut between
the unistrut mounting bolts
on both RFTs.
b. To install each spring nut:
(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 3.b.(1) through 3.b.(3) for each spring nut.