Spar installation – Comtech EF Data HPCST-5000 User Manual
Page 109

High-Power C-Band Satellite Terminal
Redundant System Installation
Rev. 0
4–27
4.3.6 Spar
Installation
Note: EFData does not recommend the unit be spar mounted.
Install the C-Band SSPA to a spar as follows:
1. Set the C-Band SSPAs on their sides, with the mounting holes facing up.
2. Install the mounting bracket as follows:
a.
Position the C-Band SSPA into the
mounting bracket. Secure with four
3/8 x 1.25” bolts, 3/8 split lock
washers, and 3/8 flat washers.
Tighten bolts firmly.
3. Install the 20” unistruts as follows:
a.
Position the 20” unistrut on the mounting bracket and secure with six 3/8 x
1.25 bolts, 3/8” split lock washers, and 3/8” flat washers.
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
".