Section II. SERVICING

TM 3-1040-214-12

Section II. SERVICING

(7) Rotate the ball depressing ring (step C) on

4-7. General

the hose coupling until the slot in the ring is in line with

This section describes the method used to fill the agent

the lock pin. Pull back the ball depressing ring on the

tanks with riot control agent (or T1 talc for test firing). It

hose coupling. Connect hose coupling to the agent

also includes information for pressurizing the pressure

delivery pipe tank coupling (step D).

tanks.

(8) Allow the ball depressing ring to en gage

the balls. Make certain that the coupling is secured.

4-8. Filling Agent Tanks

Rotate the ball depressing ring so that the slot is not in

Agent tanks filled with riot control agent (or T1 talc) must

line with the lock pin.

be kept in an upright position. This will prevent agent (or

(9) Disconnect the hose assemblies from the

T1 talc) from entering and blocking the air passages in

pipe and cap assemblies. Remove the pipe and cap

the diffusion pipe and hose assemblies (Fig. 1-7).

assemblies.

Agent (or T1 talc) may be issued in plastic containers (a

below) or bags (b below). One bag or container is

sufficient to fill both agent tanks. Filling operations

NOTE

should be performed outdoors and in a remote area

If the interior surface of the agent

away from personnel not assigned to these operations.

tank shows signs of minor corrosion,

the agent tank should still be used.

WARNING

(10) Don protective mask, protective mask

Personnel must wear a protective

hood, and rubber gloves.

mask, protective mask hood, and

rubber gloves when filling the agent

(11) Tilt the M3 disperser (Fig. 4-4). Insert the

tank with agent.

container spout into the opening of one of the agent

tanks.

a. Agent in Plastic Containers.

(12) Apply and release pressure on the sides

of the container to force agent from the containers into

(1) Obtain the following protective equipment

the agent tank. Perform this operation until the agent

for personnel involved in filling operations:

tank is filled.

(a) Protective mask.

(13) Fill the second agent tanks ((11) and (12)

(b) Protective mask hood.

above).

(c) Rubber gloves.

(14) Remove agent that may have become

(2) Obtain one container of agent.

lodged in the tank threads.

(15) Reinstall the pipe and cap assemblies

NOTE

removed in (9) above). Handtighten pipe and cap

Agent in one container is sufficient to

assemblies.

fill both agent tanks.

(16) Cross both hoses as shown in figure 1-6

and connect them to the pipe and cap assemblies.

(3) Close the pressure tank valve by turning

(17) Close shutoff valve opened in (4) above.

the valve handle (Fig. 2-1) clockwise.

(18) Perform the following operations if agent

(4) Open the shutoff valve by turning the

has been spilled on the exterior of the equipment.

shutoff valve handle (Fig. 2-1) counterclockwise.

(a) Dampen a rag or sponge with

decontaminating solution (para 4-13a).

NOTE

(b) Wipe the agent off the exterior

surfaces.

If a hissing noise is heard, wait until

it stops.

(c) Place the rag or sponge in the

decontaminating solution for 30 minutes.

(d) Rinse sponge and rag in clean

(5) Remove the coupling cap (Fig. 2-2) from

water and air-dry.

the agent delivery pipe (step A). Install coupling cap on

coupling cap holder (step B).

(e) Dispose of the used solution

(6) Check to see that the rubber gasket in the

(para 4-13b).

ball depressing ring is not missing and is in place (step C).

4-5