TM 10-8415-208-12
3-10. REBREATHER SYSTEFM MAINTENANCE INSTRUCTIONS. (CONT)
(3)
Install gasket (41) on plug screw (40).
(4)
Screw plug screw (40) into demand valve housing (30) and tighten.
(5)
Position gasket (37) and demand valve housing (30) in center section (15) ensuring connector tube (29) holes
are aligned.
(6)
Using seal screws (32) and (33), lock nuts (34) and washers (35), secure demand valve housing (30) and
actuator assembly (36) in center section (15).
(7)
Install preformed packing (39) on restrictor (38).
(8)
Screw restrictor (38) into demand valve housing (30) and tighten.
(9)
Install preformed packings (31) on each end of connector tube (29).
(10)
Gently push connector tube (29) through center section (15) opening and into demand valve housing (30).
(11)
Install preformed packing (25), (26), (27) and (28) on connectors (23) and (24).
(12)
Screw connectors (23) and (24) into center section (15) and torque to 25-30 in . lbs.
(13)
Position diaphragm assembly (22) on center section (15) by running a finger around the diaphragm lip to pull it
over the bottom of center section (15).
(14)
Position diaphragm clamp (21) with screw opposite connection (23) and (24) and tighten.
(15)
Connect coolant canister hose (4) to center section (15) with hose clamp (11).
(16)
Place center section (15) in lower housing (18) ensuring connectors (23) and (24) are aligned with bypass tube
(9) and regulator tube (10).
(17)
Install washers (17) and screws (16). Tighten screws (16) evenly.
(18)
Connect bypass tube (9) and regulator tube (10) to connectors (23) and (24).
(19)
Carefully push' anti-rotation collar (8) over bypass tube (9) and regulator tube (10).
(20)
Connect exhalation hose (7) to center section (15) using hose clamp (6).
(21)
Install preformed packing (19) and (20) in center section (15).
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