TM 5-6350-275-24&P
3-74.
REPLACE 12 VDC, 12 POINTS, EXTERIOR SUB-RADC (LEDA) WITH POWER SUPPLY. (See Figure 3-43).
This task covers:
a. Remove
b. Install
INITIAL SETUP
Equipment Condition:
General Safety Instructions:
Input power removed
Remove all jewelry while working on
Enclosure access cover removed
equipment.
Wear ESD wriststrap while working on
Tools:
equipment.
Screwdriver, flat tip, (Item 6, App B)
Screwdriver, flat tip, (Item 7, App B)
Materials/Parts:
Open End Wrench (Item 14, App B)
12 Point Exterior 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 (7), and remove the three input
power cord leads.
(2) Remove the two slip-on terminals from the battery (27) positive and negative terminal connections.
(3) Tag and remove the two wires from tamper switch (18) and Leda Flex PWA TB-7 (3) pins 2 and 3.
(4) Using a flat tip screwdriver, loosen the screws on the Leda Flex PWA (2), TB-7 (3) pins 4 and 5. Tag and
remove the two data wires.
(5) Remove slip-on terminal strips (26), (25) and (24) from Leda Flex termination PWA (1).
(6) Using an open end wrench, remove the four nuts (5) holding the Leda Panel Assembly (6) to enclosure and
remove the Leda Panel Assembly (6).
b. Installation
(1) Align the Leda Panel Assembly (6) mounting holes up with the enclosure standoffs and secure with four
nuts (5).
(2) Connect slip on terminal strips (26), (25) and (24) to Leda Flex termination PWA (1).
(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 (18) to Leda Flex PWA TB-7 (3) pins 2 and 3.
(5) Connect the two slip-on terminals to the battery (27) positive and negative terminal connections.
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