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 />
5<br />
con't<br />
INTERVAL LOCATION PROCEDURE NOT FULLY MISSION<br />
CAPABLE IF:<br />
ITEM TO<br />
CHECK/<br />
SERVICE<br />
Before<br />
Nosecup<br />
Assembly<br />
d. Check that nosecup<br />
valve disks (5) are<br />
present and seated on<br />
nosecup valve seats.<br />
Nosecup valve disks<br />
are missing or not<br />
seated on inside of<br />
nosecup valve seats.<br />
e. Rotate disks to be<br />
sure they are not stuck,<br />
curled, or torn.<br />
Disks are stuck, curled<br />
or torn.<br />
2-8