TM 10-8415-208-12a.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).NOTEDo 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, andinstall a fully charged oxygen bottlef.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 awayfrom the demand valveh.Open oxygen bottle valve (9).NOTEThe oxygen constant flow rate is preset to 1. 78 0.13 liters per minute at sea leveli.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 therestrictorn.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 valvecore if damagedp.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 testingt.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.3-127
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