TM 10-8415-208-12
3-10. REBREATHER SYSTEM MAINTENANCE INSTRUCTIONS . (CONT)
a.
Lay the rebreather system on a flat surface.
b.
Release the latches on the bottom of the rebreather system and remove top cover (1).
c.
If a fully charged oxygen bottle is not installed, perform steps b.(1) through b.(6), paragraph 3-10.3.1, and install
a fully charged oxygen bottle.
d.
Remove the red plug from coolant canister hose (2).
NOTE
The coolant canister does not have to be frozen to perform the test.
e.
Perform steps b.(1) through b.(3), paragraph 3-10.3.2, and install a coolant canister.
f.
Remove the red plug from exhalation hose (3).
g.
Connect hose coupler (4) to exhalation hose (3) and inhalation hose (5).
h.
Open oxygen bottle valve (6).
NOTE
The formation of soap bubbles is a positive sign of a leak.
i.
Apply a soapy water solution to air line plumbing connections (7), (8), (9), (10), (11), (12), (13), (14), (15), (16),
(17), (18), (19), (20), (21), (22), (23), (24), (25), (26), (27), and (28) and look for bubbles.
j.
Close oxygen bottle valve (6) and relieve the pressure from the system by depressing the bypass valve.
k.
Tighten any leaking connections and repeat steps h. through j.
l.
Disconnect exhalation hose (3) and inhalation hose (5) from hose coupler (4).
m.
Install the red plug in exhalation hose (3).
n.
Perform steps a.(3) through a.(5), paragraph 3-10.3.2, and remove the coolant canister.
o.
Install the red plug in coolant canister hose (2).
p.
Perform steps a.(3) through a.(5), paragraph 3-10.3.1, and remove the oxygen bottle used for testing.
q.
Wipe off excess soapy water solution.
r.
Perform steps b.(1) through b.(6), paragraph 3-10.3.1, to install a fully charged oxygen bottle.
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