a. Unloading. Remove ignition cylinder ([Par 30]), close pressure-tank valve, and blow out remaining fuel and pressure. ([Par 30])
b. Removal of equipment. Release the body straps, then the shoulder straps. If prone, lie on side and allow tank group to roll off onto ground. If standing or kneeling, take care that tank group does not drop on feet or legs.
c. Correcting or reporting. Correct any failures or difficulties or report them as soon as possible to service or maintenance personnel.
d. Gun. Remove shield ([Par 18]) and clean interior of shield with cloth. Clean holes in shield with wire or wooden splint. Clean external surfaces of barrel, nozzle, needle, and other parts. Check cleanliness and adjustment of needle. ([Par 75 d]) Check trigger for operation. Lubricate. ([Par 49])
e. Fuel tanks and passages. Remove plugs ([Par 69 b]). Drain any remaining fuel. Use gasoline to remove residues of thickened fuels before they have a chance to harden and obstruct passages. If necessary, fill tanks with gasoline and allow to stand for several hours, shaking occasionally. Drain and repeat if necessary.
f. Safety head. Check head to see if it is ruptured; if it is, replace. ([Par 69]) Follow test procedure. ([Par 56 b])
g. Pressure-tank valve. If weapon is to be stored, open pressure-tank valve and leave it open until next charging.
h. Carrier. Scrub, if necessary, with soap and water, or gasoline.
i. Exterior metal surfaces. Scrub exterior metal surfaces clean of fuel to prevent fire hazard. Allow to dry before using again.
j. General inspection. Carefully examine all other parts, adjust as necessary, and replace any which are damaged.