TM 10-8415-208-12
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.
Slide four snap latches (2) open and lift off center section cover (3).
NOTE
Do not expose absorbent to the atmosphere for more than one hour.
d.
Lift absorbent canister (4) out of center section (5).
e.
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
f.
Slip flow meter (6) over demand valve housing (7).
g.
Push wooden tongue depressor (8) through one of the openings in center section (5) to hold the diaphragm away
from the demand valve
h.
Open oxygen bottle valve (9).
NOTE
The oxygen constant flow rate is preset to 1. 78 0.13 liters per minute at sea level
i.
Read flow meter (6).
j.
Close oxygen bottle valve (9) and remove wooden tongue depressor (8).
k.
Remove flow meter (6) from demand valve housing (7).
I.
If the oxygen flow rate is 1.78 0.13 liters per minute, skip to step q.
m.
If the oxygen flow rate is not 1. 78 + 0. 13 liters per minute, refer to paragraph 3-10. 3. 13 and replace the
restrictor
n.
Repeat steps f. through k. to retest the rebreather system.
o.
If the flow rate is still not 1.78 0.13 liters per minute, perform the following checks:
(1) Refer to paragraph 3-10.3.6 and replace the regulator assembly.
(2) Refer to paragraph 3-10. 3.14 to remove and inspect the demand valve core. Replace the demand valve
core if damaged
p.
Repeat steps f. through k. to retest the rebreather system.
q.
Position absorbent canister (4) and push it down into center section (5).
r.
Position center section cover (3) on center section (5) and slide the four snap latches (2) closed.
s.
Perform steps a. (3) through a. (5), paragraph 3-10. 3. 1, and remove the oxygen bottle used for testing
t.
Perform steps b.(1) through b.(6), paragraph 3-10.3.1, to install a fully charged oxygen bottle.
u.
Install top cover (1).
v.
Refer to paragraph 3-11.2.3 and store the rebreather system.
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