TM 1-1520-238-23
Change 7
12-122.1
12.38.
PRIMARY AND RESERVE FIRE EXTINGUISHER REMOVAL - continued
k. Remove tube (25) from two-way check valve
(26).
(1) Hold check valve (26). Use open end wrench.
(2) Remove nut (27). Use crowfoot.
l. Remove tube (25) from swivel (28).
(1) Remove nut (29). Use crowfoot.
(2) Remove tube (25).
m. Remove tube (30) from thermal relief valve
(31).
(1) Hold relief valve (31).
(2) Remove nut (32).
n. Remove fire extinguisher (33) from bracket
(34).
(1) Remove two nuts (35) from two clamps (36).
(2) Remove extinguisher (33).
(3) Install two nuts (35) on clamps (36).
12.38.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
b. Clean vertical outlet ports of stop check
valves.
(1) Use a swab and water to clean vertical outlet
ports. Use Disposable applicator (item 29A,
App F).
NOTE
Use of compressed air to expidite drying
time is permitted.
(2) Allow to air dry.
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M04-995-6
28
31
32
30
29
25
26
27
35
M04-995-7
36
34
33