Countermeasures Control Audio Test Connections
and Display Data
This paragraph contains general main-
5-10. Maintenance Procedures.
tenance procedures that are common to the ECM panel indicator and the
For the ECM panel indicator, remove the
enclosure as given in paragraph 5-11a and perform the following
items. For the countermeasures control, remove the top and bottom
covers as given in paragraphs 5-12a and 5-12c, then perform the
a. Chassis Inspection. To inspect the ECM panel indicator or the
countermeasures control chassis mounted components, proceed as
Check for discolored, burned or cracked wire insulation,
or broken wires or terminals. Also check for damaged
heat shrink tubing.
Check cables for correct pin depths.
Check for loose or broken tie wrap mounts, mounting
clamps, or tiedown straps.
Check for cracked circuit breaker casings and for damaged
Check for discolored (cold) , cracked, or loose solder
Check for leaking, bulging, or burned transformers,
capacitors, or filters.
Check for discolored, burned or cracked diodes, resistors
or other semiconductors devices.
Check for damaged brackets, covers, housing, and plates.
Check for loose or missing attaching hardware.