TM 9-2350-277-10
OPERATE NBC SYSTEM -- Continued
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WARNING
If it is very cold outside, there is danger of frost bitten lungs from inhaling the cold air. Do not
connect the hoses to your M42 mask canister until heater has run for at least 15 minutes.
Follow the cold weather operating procedures.
4.
Disconnect hose from orifice connector at your duty station.
5.
Connect canister coupling to hose.
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Change 4
