TM 10-8415-208-12
(1) Lay the rebreather system on a flat surface.
(2) Release the latches on the bottom of the rebreather system and remove top cover (1).
(3) Slide the 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.
(4) Lift absorbent canister (4) out of center section (5).
(5) Unscrew restrictor (6) with preformed packing (7) from demand housing (8).
b.
Installing.
(1) Perform steps b. through d., paragraph 3-2.1, and lubricate preformed packing (7).
(2) Screw restrictor (6) with preformed packing (7) into demand valve housing (8) and tighten.
(3) Position absorbent canister (4) and push it down into center section (5).
(4) Position center section cover (3) on center section (5) and slide the four snap latches (2) closed.
(5) Perform the Oxygen Constant Flow Rate Test. Refer to paragraph 3-10.4.3.
(6)
Install top cover (1).
3-10.3.14 Removing/Installing Demand Valve Core.
a.
Removing.
(1) Lay the rebreather system on a flat surface.
(2) Release the latches on the bottom of the rebreather system and remove the cover (1).
(3) Disconnect coolant canister hose (2) from coolant canister (3).
(4) Loosen hose clamp (4) and remove exhalation hose (5) from center section (6).
3-109
