TM 3-4240-280-10
TM 3-4240-280-10
TM 3-4240-280-10
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2-19. INSTALLING ADDITIONAL AUTHORIZED ITEMS TO YOUR MASK<br />
(CONT).<br />
a. installing and Adjusting Your Hood (Cont).<br />
NOTE<br />
In very cold weather (below 32°F), keeping the outlet valve outside the hood<br />
prevents moisture in exhaled breath from condensing and freezing under the<br />
hood. In very warm weather (above 85°F), keeping the outlet valve outside the<br />
hood prevents heat from getting in the hood.<br />
(7) For outside temperatures above 85°F or below 32°F be sure outlet valve (12) is<br />
positioned outside hood (1). Between 32°F and 85°F, outlet valve (12) should be<br />
inside hood (1).<br />
(8) On the ABC-M5 hood only, perform the following steps:<br />
(a) Reach inside hood (1) and fasten hood temple straps (8) to facepiece temple<br />
straps (9).<br />
(b) Pull cords (13) tight to draw hood (1) opening around eyelens rubber flange (<strong>10</strong>).<br />
(c) Tie cords (13) around hose (14) or outlet valve (12). Be sure hood (1) will not pull<br />
away from eyelens rubber flange (<strong>10</strong>).<br />
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