RELAYS K4501 THROUGH K4504 REPLACEMENT.

TM 11-5820-670-30

2-65. RELAYS K4501 THROUGH K4504 REPLACEMENT.

MATERIALS/PARTS: Relay, armature, K4501 (P/N SMD6201 14)

Relay, armature, K4502 (P/N SMD6201 16)

Relay, armature, K4503 (P/N SMD6201 18)

Relay, armature, K4504 (P/N SMD620120)

PRELIMINARY PROCEDURE: Remove case (para 2-39).

REMOVAL

NOTE

For removal of relays K4501 or K4503, first remove rf attenuator and diode switch Z4501

For removal of relays K4502 or K4504, first remove reflectometer and sidetone detector

Z4502 (para 2-63) and low-pass filter FL4501 (para 2-64).

Steps given are typical for all relays.

1. Using screwdriver and wrench, remove two screws (1) and nuts (2) from relay (3).

2. Using soldering iron, unsolder wires (4) one at a time and resolder to replacement relay (3).

INSTALLATION

1. Position relay (3) on assembly and install two screws (1) and nuts (2).

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

3. Install applicable components as noted above.

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