TM 55-4920-433-13&P
e. Attaching security bars to ECUs.
1. Before installing ECUs, remove seven
screws from face of each ECU and store in storage
chest.
NOTE
Standard screws will be reinstalled
whenever an ECU is to be evacuated
for repair or replacement. Special
retainer screws will be used to attach
security bars to ECUs.
2. From shop storage chest remove fourteen
special retainer screws.
3. Install four special retainer screws (1) thru
top bar (2) into face of ECU (3) and tighten.
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