Comtech EF Data HPCST-5000 - Manual (Page 56)

Single Thread System Installation High-Power TWTA Satellite Terminals
2–10 Rev.1
(3) Release pressure
on the spring nut.
(4) Repeat Steps
3.b.(1) through
3.b.(3) for each
spring nut.
c. Using four 5/16-18
bolts, 5/16” split
lockwashers, and 5/16”
flat washers, loosely
secure the pipe blocks
to the spring nuts.
Ensure the pipe blocks
are installed with the
long angle facing
inward, toward the
pipe, as illustrated.
Note: DO NOT
tighten the pipe block
bolts until after
mounting the TWTA
on the vertical pole.
(See Step 5.e.)