TM 3-4240-280-10
TM 3-4240-280-10
TM 3-4240-280-10
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2-<strong>10</strong>. CHECKING YOUR FACEPIECE FOR LEAKS.<br />
WARNING<br />
You must check the facepiece for leaks when it is fitted and each time you put it<br />
on. A leaky facepiece will not protect you from toxic agents.<br />
Keep face clean shaven. An unshaven face could cause a bad seal between face<br />
and facepiece.<br />
a. Check that canister (l) improperly<br />
fitted to air duct hose (2) by firmly<br />
grasping hose clamp (3) and<br />
attempting to twist air duct hose (2)<br />
with moderate pressure. If the air<br />
duct hose or clamo turns while<br />
applying moderate pressure, tighten<br />
clamp more securely.<br />
2-72