Removal of Lamp Socket 2A1A5XDS1 Through 2A1A5XDS4

TM 11-5820-695-35

remove lamp socket from front of power supply chassis

assembly 2A1A5.

e. Replacement of Lamp Socket AIA6XDSI

through 2AIA5XDS4 (fig. 3-22).

(1) Replace lamp socket by forcing terminal

end of press fitted lamp socket through front of

mounting hole in power supply chassis assembly 2A1A5

and pressing lamp end until mounted snugly against

power supply chassis assembly 2AIA5 frame.

(2) Solder wires removed in step d(2) to lamp

socket terminals

(3) Mount and secure the bottom access

plate to power supply chassis assembly 2AIA5 using the

ten screws removed in step d(l).

f. Removal and Replacement of Chassis

Mounted Connector 2AlA5PI (fig. 3-22).

(1) Turn power supply chassis assembly

2A1A6 upside down and remove the ten screws

securing bottom access plate to power supply chassis

assembly 2A1A6.

(2) If

connector

contact

requires

replacement refer to the procedures provided in

paragraph 3-52b for removal and replacement of

connector contacts and proceed to step (7).

(3) If the connector requires replacement

remove the two screws, two nuts and washers securing

Figure 3-23. Terminal board 2A1A5TB1, top view,

the connector and ground lug to power supply chassis

assembly 2A1A5.

parts location.

(4) Remove connector from mounting hole

and insert replacement connector in mounting hole.

(2) Insert voltage regulator used with

Secure the replacement connector and ground lug in

replaced connector into power supply chassis assembly

place by tightening the two screws, two nuts and

2ALAS and seat its connector into replacement

washers removed in step (3).

connector. Secure the regulator with its two captive

screws.

(5) Remove a wired connector contact from

the removed connector and install in the replaced

(3) Tighten the two screws and nuts securing

connector identical contact location. Refer to paragraph

connector to power supply chassis assembly 2A1A6 and

3-52b for connector pin removal and replacement.

then remove the voltage regulator.

(6) Repeat step (5) for each wired connector

(4) Solder wires removed in step b(2) to

contact until transfer of all connector contacts is

connector terminals.

completed.

(5) Mount and secure the rear shield to power

(7) Mount and secure the bottom access

supply chassis assembly 2A1A5 using the four screws

plate to power supply chassis assembly 2A1A6 using the

and associated washers removed in step b(1).

ten screws removed in step (1).

d. Removal of Lamp Socket 2A1A5XDS1 Through

g. Replacement of Power Supply 2A1 (fig. 3-17).

2A1A5XDS4 (fig. 3-22).

(1) Insert 15/28v voltage regulator 2AlAI into

(1) Turn power supply chassis assembly

replacement power supply chassis assembly 2A1A5

2A1A5 upside down and remove the ten screws

aligning printed wiring board with guide rails located on

securing bottom access plate to power supply chassis

upper and lower portions of power supply chassis

assembly 2ALA5.

assembly 2A1A5.

Then slowly push the plug-in

(2) Tag and unsolder wires connected to

component into power supply chassis assembly 2A1A6

lamp socket being removed.

until the connector are mated.

(3) Force press fitted lamp socket through its

(2) Tighten the two captive screws on 15/ 28v

mounting hole in power supply chassis assembly 2A1A5

voltage regulator 2A1A1 securing the plug

by pressing terminal end toward mounting hole and

3-65