TM 3-4240-280-10
TM 3-4240-280-10
TM 3-4240-280-10
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2-5. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (CONT)<br />
ITEM TO<br />
NOT FULLY<br />
ITEM CHECK/ MISSION<br />
NO. INTERVAL SERVICE PROCEDURE CAPABLE IF:<br />
5 BEFORE, AIR DUCT a. Be sure air duct hose(1) Air duct hose<br />
WEEKLY HOSE connections (2) are tight connections are<br />
broke.<br />
BEFORE, b. Gently stretch the air duct Air duct hose has<br />
WEEKLY hose by pulling on facepiece holes, tears, cuts or<br />
(3) and M<strong>10</strong>A1 canister (4) is worn or frayed.<br />
While air duct hose (1) is Wire reinforcement is,<br />
stretched, examine ft for worn broken, crushed, or<br />
or frayed covering; broken or kinked.<br />
crushed wire reinforcement;<br />
kinks that may restrict<br />
breathing when mask is worn;<br />
holes, tears, cuts, dirt, and<br />
mildew. Use brush (item 1,<br />
app D) to clean off dirt and<br />
mildew from air duct hose.<br />
2-38 Change 3