TM 9-2350-287-10
OPERATING AUXILIARY EQUIPMENT (continued)
Maintenance
WARNING
Crewmembers are not authorized to change contaminated
filters. Changing contaminated filters can result in severe
injury or death to personnel.
1 . Notify Unit maintenance to change M12A1 gas filter and/or M13 particulate filter when
one or more of the following conditions are observed:
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•
•
•
•
•
•
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Physical damage
Water immersion
Low airflow to face pieces
5,000-mile vehicle overhaul (peacetime operation)
10,000 hours of vehicle operation (no chemical agents used-wartime operation)
1500 hours (approximately five months) of vehicle operation (chemical agents
used-wartime operation)
After each CK (cyanogen chloride-a blood agent) attack
At beginning of combat conditions and when use of CK is expected
2. Notify Unit maintenance to replace spring clip if:
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Clip is missing or damaged
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Rubber gasket is missing or does not seal properly
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