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 TM 55-1905-221-14-1
(5) Fight the fire from the windward side so the wind will blow the heat away from the operator and at the same
time direct the carbon dioxide over the fire.
(6) In fighting fire in electrical equipment, or on a bulkhead, direct the discharge at the bottom of the flaming
area. Move the horn slowly from side-to-side and follow the receding flames upward.
(7) Release the lever to close the valve as soon as conditions permit and continue to open and close the valve
as necessary.
NOTE
The valve can be opened and closed repeatedly without loss from leakage.
(8) When continuous operation is desired, the D-yoke ring on the carrying handle m y be slipped over the
a
operating handle when the handle is depressed.
c. Operating Disk-Type Valve C02 Extinguishers.
(1) Carry the extinguisher in an upright position and approach the fire as closely as the heat permits.
(2) Grasp the horn handle.
(3) Open the valve by turning the valve wheel to the left; this starts the discharge of the carbon dioxide on the
fire.
(4) Squeeze the release lever and at the same time direct the carbon dioxide flow toward the base of the fire.
(5) Fight the fire from the windward side so the wind will blow the heat away from the operator and at the same
time direct the carbon dioxide over the fire.
(6) In fighting fire in electrical equipment, or on a bulkhead, direct the discharge at the bottom of the flaming
area. Move the horn slowly from side-to-side and follow the receding flame upward.
(7) Close the valve as soon as conditions permit and continue to open and close the valve as necessary.
NOTE
On the disk-type valve extinguisher, the discharge of gas may be temporarily halted by
turning the valve wheel clockwise. Do not stop the discharge too soon. When the flame
has been extinguished, coat the entire surface involved in the fire with carbon dioxide
snow. The coating will check incandescence and prevent reflash.
2-60
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