Figure 2-5. M20 apparatus in carrying case.
Section III. Operation Under Unusual Conditions
b. If the breathing apparatus should become icy or
Using Breathing Apparatus in Cold Weather
wet, warm the apparatus when you can an., remove
To make sure that your breathing apparatus functions
moisture with a clean, dry cloth.
properly in cold weather.
c. When temperature Is from -30 F. to 50 F use
a. Keep the breathing apparatus free of ice and
the quick starting canister.
snow, whenever possible.