TM 1-1520-238-23
7-507
7.132.
SURGE VALVE PRESSURE HOSE REPLACEMENT – continued
7.132.6. Installation
CAUTION
Ensure surge valve pressure hose is not
kinked or twisted after installation. Failure
to do so could cause SDC malfunction.
a. Install new hose (1).
(1) Lubricate threads of unions (2) and (4). Use
damping fluid (item 69, App F).
(2) Hold union (2). Install nut (3).
(3) Hold union (4). Install nut (5).
(4) Install clamp (9) on hose (1).
(5) Install screw (8) through clamps (10) and (9).
(6) Install washer (7) and nut (6) on screw (8).
b. Inspect (QA).
c. Perform pressurized air system leak check
(para 7.115).
d. Unfold catwalk (para 2.83).
e. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
2
1
9
7
6
5
4
10
8
3
M04-078-5
