TM 1-1520-238-23
7-564
7.148.
AIR PRESSURE REGULATING VALVE REMOVAL/INSTALLATION – continued
c. Inspect (QA).
d. Install environmental control unit (para 13.3).
e. Perform pressurized air system maintenance operational check (TM 1-1520-238-T).
f. Perform pressurized air system leak check (para 7.115).
g. Secure access doors T250L, T250R, T290L, T290R, and L325 (para 2.2).
END OF TASK
