REPLACE LEDA FLEX PWA. (Exterior)

TM 5-6350-275-24&P

3-49. REPLACE LEDA FLEX PWA. (Exterior) (Figure 3-39 and FO-6, sheet 1).

This task consists of:

a. Remove

b. Install

INITIAL SETUP

Tools:

General Safety Instructions:

Screwdriver, Flat tip (Item 6, App B)

Remove all jewelry while working on equipment.

Equipment Condition:

Wear ESD wriststrap while handling electronic assemblies.

AC adapter disconnected

Materials/Parts:

Leda Flex PWA

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) Open and remove front access cover from NEMA 4 enclosure.

(2) Remove slip-on terminal strip from TB7 (FO-6, sheet 1) on PWA (2).

(3) Remove ribbon cable connector P1 (FO-6, sheet 1) from PWA (2).

(4) Remove ribbon cable connector P2 (FO-6, sheet 1) from PWA (2).

(5) Press out on side of snap track PWA holder (*) and remove Leda Flex PWA (2) from snap track alignment

slots.

b. Installation

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

E-44.

(2) Press out on sides of snap track PWA holder (*) and install Leda Flex PWA (2) into snap track alignment

slots.

(3) Connect ribbon cable connector P2 to PWA.

(4) Connect ribbon cable connector P1 to PWA.

(5) Connect slip-on terminal strip to TB7 on PWA.

(6) Connect AC adapter to power source.

(7) Place front access cover on NEMA 4 enclosure and secure it.

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