Circuit Card Assembly ( A1 thru A12, A14), Removal/Installation

TM 32-5865-069-24&P

CAUTION

Al thru A10 and A12 contain parts sensitive to damage by Electro-

static Discharge (ESD). Use ESD precautionary procedures when touch-

ing, removing or installing these assemblies.

CAUTION

When reconnecting coaxial cables, torque SMA connectors to 8 inch

pounds. Use the torque wrench supplied. Failure to tighten the con-

nectors properly will cause excessive VSUR which will adversely

affect the operation of the unit.

CAUTION

An RFI gasket is fitted to each of the covers. Ensure the gasket is

undamaged and seats properly when the covers are replaced.

5-4.1 Cover Removal.

The procedure for removing top and bottom covers is as

follows:

Release all the captive turnlock fasteners by turning 1/4 turn counter-

clockwise.

Lift off the covers.

5-4.2 Circuit Card Assembly ( A1 thru A12, A14), Removal/Installation. A1 thru

A12 and A14 are mounted in the card file assembly. The A13 slot is not used. To

remove a CCA from the card file proceed as follows:

a. Remove the top cover. Refer to para 5-4.1.

Release the securing catches at each side of the CCA.

CAUTION

Al thru A10 and A12 contain parts sensitive to damage by Electro-

static Discharge (ESD).

Use ESD precautionary procedures when

touching, removing or installing these assemblies.

Extract the CCA using circuit card extractor tool 5054268. Lift straight

up and remove the CCA from the unit.

To replace a CCA, insert the card into the guides in the card file

assembly. Push down until firmly seated.

e. Secure the catches at each side of the CCA.

Replace the top cover.

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