TM 55-4920-438-13&P
d. 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.
2-12
