TM 10-8415-208-123-10. REBREATHERSYSTEMMAINTENANCEINSTRUCTIONS . (CONT)s.If the water displacement is less than six inches of water, remove the #6 one-hole stopper (3) from exhalationhose connector (9) of face piece (8) and tighten head harness straps (5), (6), and (7)t.Reinsert the #6 one-hole stopper (3) into exhalation hose connector (9) of face piece (8) and repeat steps o.through ru.Repeat steps s. and t. until a proper face piece (8) seal can be achieved.v.If a proper seal cannot be achieved, replace face piece (8).3-10.5 Cleaning.a.Lay the rebreather system on a flat surface.3-130
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