INSTALLATION - TM-11-6625-2976-400095

TM 11-6625-2976-40

2-22. ATTENUATOR SWITCH All AND AT2 REPLACEMENT. (CONT)

NOTE

For AT1, do step 4.

For AT2, do step 5.

4. Disconnect RF cable connectors W8(8) and W7(9).

5. Disconnect RF cable connectors W7(10) and W9(11).

6. Remove switch (6).

INSTALLATION

NOTE

For AT1, do step 1.

For AT2, do step 2.

1. Connect RF cable connectors W7(9) and W8(8).

2. Connect RF cable connectors W9(11) and W7(10).

NOTE

Steps given are typical for both switches.

3. Position switch (6) in front panel (7) and push into place.

4. Install flat washer(5), lockwasher (4), and nut (3).

5. Using wrench, tighten nut (3).

6. Install knob (2) on switch stem (12) and, using hex wrench, tighten two setscrews (1).

NOTE

For AT1 only, do steps 7, 8, and 9.

7. Turn knob (2) fully clockwise to stop.

8. Using hex wrench, loosen two setscrews(1) and rotate knob (2) to aline 0 on knob with index

mark on front panel as shown in detail A.

9. Using hex wrench, tighten two setscrews(1).

FOLLOW-ON MAINTENANCE: Install A6 and A8 assembly (para 2-19).

Anne attenuator control (para 2-15).

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