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TM 3-4240-280-10

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2-20. USING MASK IN COLD WEATHER (CONT).<br />

b. Putting on Your FacePiece, With Hood Attached, in Cold Weather (Cont).<br />

(3) Follow procedures for checking<br />

your facepiece for leaks<br />

(para 2-13, step i).<br />

(4) Start breathing normally.<br />

(5) If the outlet valve disk (3) sticks<br />

to valve seat (4), do the following:<br />

(a) Partially open insulating<br />

jacket (5).<br />

(b) Pull outlet valve cover (2)<br />

down and massage outlet<br />

valve disk (3) with one finger<br />

when you exhale only. Keep<br />

doing this until the valve<br />

functions properly.<br />

(c) Reseat cover (2) and close<br />

insulating jacket (5).<br />

(6) Follow steps for donning hood<br />

and helmet (para 2-13, steps k<br />

thru s).<br />

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