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Installation, Option a buc, A buc – Comtech EF Data LCS-4 User Manual

Page 51: Nstallation

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LCS-4 L-Band Combiner Switch

Revision 1

Block Up Converter

MN/LCS4.IOM

5.6 I

NSTALLATION

To install the BUC to the antenna:

1. If installed: Remove protective covers from the antenna OMT and SSPA.

CAUTION

After removing the protective cover, ensure that no foreign material (FOD)
or moisture enters the antenna waveguide or BUC.



2. Install the appropriate gasket (From KT/8924-1 or KT/5738-1) on the antenna OMT,

as follows:

a. If only one of the mating flanges is grooved, the thin gasket should be

installed.

b. If both of the mating flanges are grooved, the thick gasket should be

installed.

3. Position the SSPA (with gasket) in place on the antenna, and install with provided

socket screws and washers (split and flat) from the mounting kit.

4. Install ODU Mounting Kit, KT/9928-1, as follows:

O

PTION

A BUC

Step

Procedure

a.

Install bracket (10, figure 5-9) to BUC and secure with flat washers (6), split washers (7),
and screws (11).

b.

Position universal lower ‘L’ bracket (1) to feed horn, loosely fastens with bolt (21), flat
washer (20), lock washer (22), and nut (23).

c.

Align bracket (1) with bracket (10) to adjust the position of the BUC.

d.

Insert bolt (8) with flat washer (6) through brackets (1, 10). Secure with flat washer (6), split
washer (7), and nuts (9).

e.

Tighten all the hardware.








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