TM 1-1520-238-23
12-136
12.42.
FIRE EXTINGUISHER STOP CHECK VALVE REPLACEMENT - continued
c. Remove tube (1) from check valve (2).
(1) Hold check valve (2). Use open end wrench.
(2) Remove nut (3). Use open end wrench.
d. Remove tube (1) from swivel (4).
(1) Remove nut (5). Use open end wrench.
(2) Remove tube (1).
e. Remove tubes (6) and (7) from check valve (2).
(1) Hold check valve (2). Use open end wrench.
(2) Remove nuts (8) and (9). Use open end
wrench.
(3) Remove and discard check valve (2).
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NO. 1 ENG
APU
M04-993-2
NO. 2 ENG
4
5
1
3
2
M04-993-3
M04-993-4
7
9
2
8
6
