c. If no additional shots are to be fired before refilling and recharging, open pressure-tank valve by turning handle counterclockwise. Point the gun away from personnel and blow out the remaining fuel and pressure, if any, from the fuel tanks by squeezing the valve lever and grip safety until there is no further discharge. The trigger should not be used during this operation. Then close the pressure-tank valve to prevent entrance of foreign matter into the pressure system.
d. (Superseded). Carefully remove tank group from the back. This may be done most easily by sitting or squatting with back to a tree stump, flat rock, packing box, or other object. Release the body and shoulder straps and ease tank group off the back. Avoid dropping equipment on the ground as this may damage it.
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31. IGNITION CYLINDER.
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c. Packing. Ignition cylinders are * * * each flame thrower. Fifty cans (100 ignition cylinders) are contained in each ignition cylinder packing box. Wooden packing box with contents weighs approximately 50 to 55 pounds. Outside dimensions of the box are approximately 16-1/4 inches by 14-3/4 inches by 10-1/4 inches. Cubage is 1-3/12 cubic feet.
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32. CHARGING PRESSURE TANK.
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b. Charging from air compressor. Compressor, air, gasoline * * * cylinders as well. Instructions for use of the compressor will be found in TM 3-377.