TM 9-2350-247-10
OPERATE NBC AIR FILTER SYSTEM (M548A3) — Continued
0053 00
NOTE
It may take 15 to 20 minutes for air to heat to maximum temperatures.
7.
When air is warm enough to breathe safely, connect air hose to canister of M25A1 protective mask.
STOP
1.
Place NBC AIR FILTER switch OFF.
0053 00-5
