Comtech EF Data HPCST-5000 User Manual
Page 64
Single Thread System Installation
High-Power C-Band Satellite Terminal
3–10
Rev. 0
4. Install the pipe blocks as follows:
a.
Install two spring nuts in each of four 14” unistruts (the two just mounted on
the RFT, and two additional).
Note: Ensure the spring nuts in the unistruts are wide enough apart so that
when the pipe blocks are installed, they will clear the pole when the unit is
lifted into place for installation.
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 4.b.(1) through 4.b.(3) for each spring nut.
c.
Using four 5/16-18 x 1” bolts, 5/16”
split lockwashers, and 5/16” flat
washers, loosely secure the pipe
blocks to the spring nuts.
Note: Ensure the pipe blocks are
installed with the long angle facing
inward, toward the pipe.
CAUTION
DO NOT tighten the pipe block bolts until after mounting the RFT
on the vertical pole. (See Step 6.e.)