CHAPTER 1 INTRODUCTION - TM-3-1040-214-120007

TM 3-1040-214-12

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1-1. Scope

b. The reporting of errors, omissions, and

recommendations for improving this manual by the

These instructions are for use by the operator and

individual user is encouraged.

Reports should be

organizational maintenance personnel. They apply to

submitted on DA Form 2028 (Recommended Changes

the Disperser, Riot Control Agent, Portable, M3.

to Publications) and forwarded direct to Commanding

Officer, Edgewood Arsenal, ATTN: SMUEA-DE-ET,

Edgewood Arsenal, MD 21010.

1-2. Record and Report Forms

a. Department of the Army forms and procedures

used for equipment maintenance will be those

prescribed by TM 38-750.

Section II. DESCRIPTION AND DATA

1-3. Description

1-5. Hose Group

The M3 portable riot control agent disperser (fig. 1-1) is

The hose group (fig. 1-3) consists of a fabric covered

designed to disseminate micropulverized irritant riot

hose with a threaded coupling at one end and a quick-

control agent into the atmosphere. The M3 disperser

disconnect coupling half at the other end. The threaded

consists primarily of the gun group, hose group, and tank

coupling on the hose is connected to the open end of the

group.

valve body.

The quick-disconnect coupling half is

connected to the agent delivery pipe (fig. 1-4). Each end

of the rubber hose should be painted with an aluminum

1-4. Gun Group

band and stenciled in red "M3 DISP ONLY."

The gun group (fig. 1-2) is the M9 riot control agent

disperser gun. It consists of a valve section and barrel

1-6. Tank Group

section.

The tank group (fig. 1-4) consists of a pressure section,

agent section, and carrier section.

a. Valve Section. The valve section includes the

valve body, trigger, trigger safety, and safety catch.

a. Pressure Section.

b. Barrel Section. The barrel section consists of an

aluminum barrel, handle, collar, rubber tube, and knurled

(1) Pressure tank and valve assembly. The

locknut. A locknut connects the barrel to the valve

pressure tank (fig. 1-5) is a cylindrical, steel tank that

assembly. A rubber tube is installed in the full length of

contains the pressurized air for dispersing the agent in

the barrel and valve body. The rubber tube has a sleeve

the agent tanks (b below). A pressure tank valve

at one end and a connector at the other end. The collar

assembly is screwed into the base of the pressure tank.

and setscrews hold one end of the rubber tube and the

The valve assembly contains a check valve and cap.

sleeve in a locked position. The hose coupling on the

The cap protects the check valve and is removed when

hose group (fig. 1-3) is connected to the valve body.

the cylinder is to be recharged with air. A coupling plug

is also assembled to the valve assembly, and it is the

1-1