REPLACE 12 VDC, 12 POINTS, INTERIOR SUB-RADC (LEDA) WITH POWER SUPPLY

TM 5-6350-275-24&P

3-62. REPLACE 12 VDC, 12 POINTS, INTERIOR SUB-RADC (LEDA) WITH POWER

SUPPLY. (See Figure 3-41).

This task consists of:

a. Remove

b. Install

INITIAL SETUP

Equipment Condition:

General Safety Instructions:

Input power removed

Remove all jewelry while working on equipment.

Enclosure access cover removed

Wear ESD wriststrap while working on equipment.

Tools:

Screwdriver, flat tip, (Item 6, App B)

Materials/Parts:

Screwdriver, flat tip, (Item 7, App B)

12 Point Sub-RADC (Leda) /w Power Supply Assembly

WARNING

Shut off power source before attempting to disconnect, service, or connect wires

or cables. Failure to do so may result in serious injury or death.

a. Removal

(1) Using a flat tip screwdriver, loosen three screws on input power terminal (24), and remove the three input

power cord leads.

(2) Remove the two slip-on terminals from the battery (12) positive and negative terminal connections.

(3) Tag the two wires from tamper switch (6) and remove from Leda Flex PWA TB-7 (3) pins 2 and 3.

(4) Using a flat tip screwdriver, loosen the screws on Leda Flex PWA TB-7 (3), pins 4 and 5. Tag and remove

the two data wires.

(5) Using a flat tip screwdriver, remove the five screws (9) holding the Leda Panel Assembly (10) to enclosure

and remove the Leda Panel Assembly (10).

b. Installation

(1) Set the link settings and/or switch settings exactly the same as removed assembly or refer to Appendix E,

page E-44.

(2) Align the Leda Panel Assembly mounting holes up with the enclosure standoffs and secure with five

screws (9).

(3) Connect the two tagged data wires to Leda Flex PWA (2), TB-7 (3), pins 4 and 5.

(4) Connect the two tagged wires from tamper switch (6) to Leda Flex PWA TB-7 (3) pins 2 and 3.

(5) Connect the two slip-on terminals to the battery (12) positive and negative terminal connections.

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