Section III. AIR-CHARGING M5 RIOT CONTROL AGENY DISPERSER

Section III. AIR-CHARGING M5 RIOT CONTROL AGENY DISPERSER

14.

Using AN-M4 Compressor

the high-pressure gage (3), close the charging valve by

a. Attaching Hose Assembly (36, fig. 2) to

turning it clockwise.

Compressor. Follow directions given in paragraph 5a.

WARNING

b. Attaching Charging Hose Assembly (18, fig. 2) to

Charging Fitting (2, fig. 14).

Open globe valve with caution. The

(1) Close the low-pressure valve (7, fig. 14) by

oil, water, and air emulsion released

turning it counterclockwise.

under pressure can cause injury to

(2) Open the high-pressure valve (5) by

personnel.

turning it counterclockwise.

(5) Open the globe valve on the bottom of the

(3) Open the charging valve (1) by turn-ing

separator one-half turn.

counterclockwise.

(6) Stop the engine.

(4) Screw the quick-coupling adapter (12, fig.

d. After-Charging Procedure.

3) into the valve assembly (34, fig. 2) that is on the end

(1) Open the bleeder valve on the 6-foot rubber hose

of the 6-foot hose.

one-fourth turn.

WARNING

(2) Remove the charging line from the

See that the locking collar on the

charging fitting.

quick-disconnect coupling half is

(3) Test the pressure regulator (6). The low-

pressure gage (4) should read approximately 60 psi with

fully retracted and resting against the

the low-pressure valve closed and the high-pressure

first wrenching surface. Do not push

valve open. Activate the relief valve (8) manually several

locking collar forward since this will

times.

The low-pressure gage should drop to

release the coupling half from the

approximately 45 to 55 psi and return after each valve

charging fitting.

release to the original pressure reading.

(5) Connect the quick-coupling adapter to the

(4) Close the high-pressure valve.

charging fitting (2, fig. 14).

(6) Close the bleeder valve on the 6-foot

15.

Using M1A1 Compressor

rubber hose assembly.

a. Attaching Hose Assembly (36, fig 2) to

c. Charging.

Compressor. Follow directions given in paragraph 11a.

WARNING

b. Attaching Charging Hose Assembly (18, fig. 2) to

Operating personnel must always

Charging Fitting (2, fig. 14). Follow directions given in

position themselves away from the

paragraph 14b.

charging hose assembly during

c. Charging.

charging operations. If either the

WARNING

charging hose or connector fail, the

Operating personnel must always

remaining portion of the charging

position themselves away from the

hose will "whip around" and may

charging hose assembly during

injure personnel in its path.

charging operations. If either the

(1) Open the globe valve on the separator of

charging hose or connector fail, the

the compressor.

remaining portion of the charging

(2) Start the engine.

hose will "whip around" and may

NOTE

injure personnel in its path.

There are four models of the AN-M4

(1) Start the compressor engine (TM 3-1040-

compressor.

Refer to applicable

203-12).

technical manual (appendix) for the

(2) Close the charging manifold bleeder valve

type of compressor being used.

(1, fig. 12) on the side of the manifold where the charging

(3) Close the globe valve.

line is attached.

(4) When the compressed gas cylinder has

(3) When the compressed gas cylinders have

been charged to 2,000 psi pressure as shown on

been charged to 2,000 psi pressure, as shown