REMOVAL AND REPLACEMENT

TM 11-5920-252-24

3-21.

REMOVAL AND REPLACEMENT

REMOVAL

1. Turn off power to all communications equipment located in the shelter.

2. Disconnect the SIGNAL ENTRANCE panel connectors connected to the arrester's connectors J1, J2 and J3.

3. Remove the SIGNAL ENTRANCE panel access panel by removing and retaining the access panel screws.

4. Inside the SIGNAL ENTRANCE panel, disconnect the connectors to the arrester's connectors P1, P2, and P3

5. On the outside of the SIGNAL ENTRANCE panel, remove the connector retaining nuts on connectors J1, J2 and J3.

6. Remove the arrester.

REPLACEMENT

1. Remove the three connector retaining nuts from the J connectors of the replacement arrester.

2. From the Inside of the SIGNAL ENTRANCE panel, place the arrester J1, J2 and J3 connectors through the SIGNAL

ENTRANCE panel holes. Be certain that the washer-shaped metal fiber RFI gaskets are in place on the three arrester

J connectors.

NOTE

The arrester connectors and the panel holes will be flattened on the top. If they do not match, do not force

into place or Install the arrester upside down.

3. Install and tighten the connector retaining nuts on connectors J1, J2 and J3.

4. Inside the SIGNAL ENTRANCE panel connect the J1, J2 and J3 connectors to the P1, P2 and P3 connectors of the

arrester.

5. Reinstall the SIGNAL ENTRANCE panel access panel.

6. Reconnect the three connectors from the shelter communications equipment that were connected to the CHANNEL 1-

4, 5-8 and 9-12.

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