TM 1-1520-238-23
7-534
Change 4
7.139.
BLEED AIR SHUTOFF VALVE/CHECK VALVE REMOVAL/INSTALLATION – continued
c. Install valve (1). Torque nuts (5) and (6) to 28
INCH-POUNDS.
(1) Install two couplings (7) and (8) on manifold
(10) and secondary air seal (14).
(2) Position valve (1) between manifold (10) and
secondary air seal (14).
(3) Make sure couplings have engaged flanges
of valve (1), manifold (10), and secondary air
seal (14).
(4) Install two nuts (5) and (6) on couplings (7)
and (8). Torque two nuts (5) and (6) to 28
INCH-POUNDS. Use socket and torque
wrench.
d. Install tube (2) on valve (1).
(1) Lubricate union (3) threads. Use damping
fluid (item 69, App F).
(2) Hold union (3). Install nut (4).
e. Inspect (QA).
f. Perform pressurized air system maintenance
operational check (TM 1-1520-238-T).
g. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-073-7
1
7
14
8
5
10
6
M04-073-8
3
4
2
1
