Sspa Installation; Feed Mount Offset Antenna - Comtech EF Data KST-2000B Installation And Operation Manual

Ku-Band Satellite Transceiver
Single-Thread Equipment Mounting
C.3

SSPA Installation

C.3.1

Feed Mount Offset Antenna

The information in this section applies to installation on typical offset antenna of sizes
1.8, 2.4, or 3.8M; with interfaces of 3.74" or 5.25". Refer to Figure C-1 for an illustration.
C.3.1.1 Optional Feed Mount Offset Antenna Installation Kit for SSPA
Refer to Section C.2.1.1.
C.3.1.2 SSPA Feed Mount Offset Antenna Installation Instructions
1.
2.
3.
4.
Remove the protective cover from the antenna (OMT) and SSPA (if installed).
After removing the protective cover(s), ensure that no foreign
material or moisture enters the antenna waveguide or SSPA.
CAUTION
Install the appropriate gasket on the SSPA isolator.
a) If only one of the mounting surfaces has a groove, use the thin gasket
b) If both mounting surfaces have grooves, then use the thick gasket.
Position the SSPA (rounded fins down) on the antenna OMT and fasten using
the #6 hardware from KT/2820 (8 each socket head screws, flat, split washers and
nuts).
Attach the interface bracket to the feed support as follows:
a) For PRODELIN 1.8, 2.4, and 3.8 M offset antenna:
Note: An existing 3.74" or 5.25" interface assembly may be used.
Remove the 5/16" nut and washers from the rear bolt of the existing interface
assembly on the feed support. Slide the appropriate interface bracket onto the
bolt from below the feed support and replace the washers and nut (an
example of the 5.25" interface installation is shown in Do not tighten, leave
the bracket loose to accommodate insertion of the "U" bracket in Step 6.
C–10
Revision 9
MN/KST2000AB.IOM