technical manual operator instructions
technical manual operator instructions
technical manual operator instructions
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Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR MASK,<br />
CHEMICAL-BIOLOGICAL: M45 (con’t)<br />
ITEM<br />
NO.<br />
INTERVAL LOCATION PROCEDURE NOT FULLY MISSION<br />
CAPABLE IF:<br />
ITEM TO<br />
CHECK/<br />
SERVICE<br />
6 After Outlet<br />
Valve Disk<br />
and Outlet<br />
Valve<br />
Cover<br />
a. Grasp tab (1) and lift<br />
bottom portion of outlet<br />
valve cover (2) over<br />
barb.<br />
b. Check that outlet valve<br />
disk (3) is seated and is<br />
not curled, torn dirty,<br />
punctured or distorted<br />
Rotate outlet valve disk<br />
to ensure it is not<br />
sticking.<br />
Outlet valve disk is<br />
curled, sticking<br />
punctured, dirty,<br />
distorted, torn or will<br />
not seat<br />
2-23
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