TM 1-1520-238-23
Change 7
7-502.7/(7-502.8 blank)
7.130A. SURGE VALVE CLEANING
e. Install surge valve exhaust hose (para 7.133).
f. Install surge valve pressure hose (para 7.132).
g. Inspect (QA).
h. Unfold catwalk (para 2.83).
7.130A.9. Testing
a. Perform pressurized air system maintenance operational check (TM 1-1520-238-T).
b. Perform pressurized air system leak check (para 7.115).
c. Secure access doors T250L, T250R, T290L, T290R, and L325 (para 2.2).
END OF TASK
