TM 10-8415-208-12
3-10. REBREATHER SYSTEM MAINTENANCE INSTRUCTIONS . (CONT)
b.
Installing.
(1) Perform steps b. through d., paragraph 3-2.2, and lubricate the relief valve.
(2) Install preformed packing (24) and (25) on valve seats (19) and (21).
(3) Install preformed packing (22) and (23) on valve bodies (15) and (16).
NOTE
Valve seat (21) has a longer knob on top than valve seat (19).
(4) Set valve seat (19) into valve body (16) such that the knob comes through the hole in valve body (16).
NOTE
The silver and red compression springs do not provide the same amount of tension. Failure to install them
in the proper valve seat will reduce the performance of the rebreather system.
(5) Set the red compression spring (20) into valve seat (19).
(6) Push diaphragm guide (17) through the opening in diaphragm assembly (14).
(7) Carefully screw valve body (16) with red compression spring (20) and valve seat (19) onto diaphragm
guide (17) and hand tighten.
(8) Set valve seat (21) into valve body (15) such that the knob comes through the hole in valve body (15).
NOTE
The silver and red compression springs do not provide the same amount of tension. Failure to install them
in the proper valve seat will reduce the performance of the rebreather system.
(9) Set silver compression spring (18) into valve seat (21).
NOTE
Silver compression spring (18) should rest on the knob of valve seat (19) when valve bodies (15) and (16)
are connected.
(10) Carefully screw valve body (15) with silver compression spring (18) and valve seat (21) onto valve body
(16).
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