4-42. TADS POWER SUPPLY ASSEMBLY REPAIR (cont)
2. CIRCUIT CARD ASSEMBLY (CCA) A1, A3,
OR A5 REPLACEMENT
These CCAs contain electrostatic discharge
sensitive (ESDS) devices. Refer to paragraph
2-8 for handling requirements before starting
this task, to prevent damage to the devices.
This procedure is for replacing CCA A1, A3, or
a. Remove access cover (1 above).
b. Remove support plate assembly (1) by
removing four screws (2) and washers (3).
c. Remove CCA A1 (4), A3 (5), or A5 (6)
using circuit card extractor.
d. Remove old corrosion inhibitive sealing and
coating compound from mounting hardware
e. Install CCA.
f. Apply corrosion inhibitive sealing and
coating compound to mounting hardware
(para 2-6). Use class 1A application.
g. Install support plate assembly (1) using four
screws (2) and washers (3).
h. Install access cover (1 above).
END OF TASK