XMTR HI-LO SWITCH S9604 REPLACEMENT.

TM 11-5820-670-30

2-57. XMTR HI-LO SWITCH S9604 REPLACEMENT.

MATERIALS/PARTS: Resistor, variable, S9604 (P/N RV6NAYSL253A)

PRELIMINARY PROCEDURE: Remove A8700 assembly (para 2-45).

REMOVAL

1. Using screwdriver, remove two screws (1).

2. Using screwdriver and wrench, remove two screws (2), flat washers (3), and nuts (4).

3. Using hex wrench, loosen setscrew (5) and remove TEST SWITCH knob (6).

NOTE

Place chassis in upright position.

Pull front panel away from chassis slightly and move out of way.

4. Using wrench, remove nut (7) and Iockwasher (8).

5. Carefully remove switch (9) from mount (10).

6. Using soldering iron, remove and resolder three wires (11) from defective switch to replace-

ment switch one at a time.

INSTALLATION

1. Position switch (9) in mount (10) and install Iockwasher (8) and nut (7).

2. Using wrench, tighten nut (7).

3. Position front panel (12) on chassis and install two screws (1), two screws (2), flat washers

(3), and nuts (4).

4. Using screwdriver and wrench, tighten screws (1 and 2) and nuts (4).

5. Install TEST SWITCH knob (6) on switch.

6. Using hex wrench, tighten setscrew (5).

FOLLOW-ON MAINTENANCE: Install A8700 assembly (para 2-45).

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