TM 1-1520-238-23
13-48
Change 5
13.15.
ECS SHUTOFF VALVE REMOVAL/INSTALLATION - continued
13.15.6. Installation
a. Install two new packings (10) in flanges of
ducts (4) and (5).
(1) Lubricate packings (10). Use petrolatum
(item 138, App F).
(2) Install packings (10).
b. Install shutoff valve (3) on ducts (4) and (5).
Torque nuts (6) and (8) to 30 INCH-POUNDS.
NOTE
Position shutoff valve so that sight win-
dow is visible and receptacle (L38)J1 is
accessible.
(1) Position shutoff valve (3) between ducts (4)
and (5).
(2) Install clamp (9) on duct (5) and shutoff valve
(3).
(3) Install nut (8). Torque nut (8) to 30 INCH-
POUNDS. Use torque wrench.
(4) Install clamp (7) on duct (4) and shutoff valve
(3).
(5) Install nut (6). Torque nut (6) to 30 INCH-
POUNDS. Use torque wrench.
c. Attach connector P286 (1) to receptacle
(L38)J1 (2).
d. Inspect (QA).
e. Perform ECS maintenance operational check
(TM 1-1520-238-T).
f. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-721-6
5
10
10
4
M04-721-7
3
4
6
7
8
5
9
M04-721-9
2
1
All data on pages 13-49 through 13-51,
including paragraph 13.16, deleted.
