Gun Group and Hose Group

C 1, TM 3-1040-214-12

b. Decontaminating and Cleaning.

a. Preparing Solution. Obtain a 20-gallon can or

(1) After 30 minutes have elapsed, remove

suitable container to mix a decontaminating solution.

the parts from the decontaminating solution.

Mix 4 ounces general purpose detergent (FSN

7930-476-5223) or 4 ounces of wetting agent (FSN

(2) Using a brush clean all threads of any

6850-456-1784) and 1 gallon of monoethanolamine

foreign deposits. Clean also the hose assembly quick-

(MEA) (FSN 6810-270-6207) with 9 gallons of water.

disconnect coupling half.

b. Disposing Solution. When the decontaminating

(3) Flush all parts with clear water. Dry the

operations are completed, prepared solution (a above)

parts with a clean cloth and thoroughly dry with

can be disposed of by dumping it into a chemical

pressurized air (5 to 10 psi).

disposal system.

(4) When all parts are clean and dry, recheck

c. Disposing of Agent with MEA. Agent can be

for possible deposits of agent by sniffing. If required,

dissolved and destroyed in a watery solution; 10 percent

repeat steps (1) through (3) above.

MEA and 0.3 percent of non-ionic detergent (TRITON X

or IGEPAL CO-630). Ratio of solution to agent must be

NOTE

100: 1 (AMCR 385104).

If the gun is not to be used at the

present time, stow the parts in the

4-14. Gun Group and Hose Group

packing chest.

To increase the

serviceability of the rubber tube stow

WARNING

it in the packing chest as a separate

Purge the air in the air pressure

item.

system

before

attempting

any

maintenance or modification to the

c. Assembly. Perform the following if the gun

pressure system.

group and hose group are to be used in the near future:

assemble the gun group and hose group (para 4-5).

a. Remov al.

(1) Close (clockwise) pressure tank valve with

4-15. Tank Group

handle (Fig. 2-1).

a. Removal.

(2) Open (counterclockwise) shutoff valve to

(1) Purge the air in the air pressure system (para 4-10a).

vent pressure in agent tanks (Fig. 2-1).

(2) Remove the pressure tank (para 4-10b).

(3) Personnel should wear a protective mask,

(3) Place the coupling cap (step B, Fig. 22) on the open

protective mask hood, and protective gloves when

end of the agent delivery pipe.

decontaminating the disperser.

(4) Disconnect the quick-disconnect coupling

CAUTION

half on the hose assembly (step D, Fig. 2-2) from the

The pressure regulator and attaching

agent delivery pipe.

parts are removed from the disperser

(5) Remove the coupling cap from the holder.

to prevent possible water damage to

Connect the coupling cap to the open end of the agent

the parts during cleaning and

delivery pipe (step B, Fig. 2-2).

decontaminating operations.

(6) Disconnect the hose assembly coupling

(4) Unlace and retain one cotton cord that

(Fig. 1-3) from the valve body.

attaches carrier pack to frame.

(7) Place the hose assembly

the

decontaminating solution (para 4-13a).

NOTE

(8) Loosen setscrews (step C, Fig. 4-3) and

The parts and assemblies mentioned

remove collar.

in steps (5) to (13) inclusive are to be

cleaned with air pressure (between

(9) Remove sleeve.

25 psi and 35 psi) only. Water and

(10) Depress trigger and remove connector

decontaminating

solution

could

and rubber tube from the barrel of the gun.

damage internal parts.

(11) Loosen locknut

and

separate

barrel

section from the valve section.

(5) Disconnect hose assemblies (2, Fig. 4-5)

from the pipe and cap assemblies (4).

(12) Place all gun components, including

rubber tube, into the decontaminating solution for a

(6) Hold the pressure regulator (18) and

minimum of 30 minutes.

4-10