Replacement of Plug-in-Circuit Card Assemblies Al, A2, A3, or A4

TM 11-5895-1179-13 EE132-EA-OMP-010/E106 KY883 TO 31S1-2GSC-161

WARNING

Set ON/OFF switch to OFF before opening front panel assembly and removing plug-in-circuit card

assemblies.

Release the four front panel assembly fasteners (figure 2-1) and-lower the front panel assembly.

Identify the plug-in-circuit card assembly (figure 1-2) to be removed.

CAUTION

To avoid damage to plug-in-circuit card assembly ejectors, push plug-in-circuit card assembly ejectors

back into place after ejecting the plug-in-circuit card assembly from its receptacle, then pull the plug-in-

circuit card assembly from the enclosure.

Unseat the plug-in-circuit card assembly from the receptacle byfirst pulling outward on the plug-in-circuit card

assembly ejectors (figure 1-2). After unseating the plug-in-circuit card assembly, return the plug-in-circuit

card assembly ejectors to their original position.

CAUTION

Exercise extreme caution when removing and inserting a plug-in-circuit card assembly. Do not exert any

pressure that would bend the plug-in-circuit card assembly even a slight amount. Any bend from straight

will cause parts to break away from soldered points.

Carefully pull the plug-in-circuit card assembly straight out of the chassis assembly.

Lay the plug-in-circuit card assembly on a clean workbench with the component side up. Handle the plug-in-

circuit card assembly only at the edges.

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