TM 3-1040-276-10
CHAPTER 1
INTRODUCTION
Section I. GENERAL INFORMATION
1-1. SCOPE.
1-4. NOMENCLATURE CROSS-REFERENCE LIST
AND LIST OF ABBREVIATIONS. This listing includes
a. Type of Manual. Operator's Maintenance
nomenclature cross-references and abbreviations used
Manual.
in this manual.
b. Model Number and Equipment Name. M3A4
a. Nomenclature Cross-Reference List.
Common Name
Official Nomenclature
c. Purpose of Equipment. To generator large-area
Manual inflating pump
Air pump assembly
smoke screens that will reduce direct visual observa-
tion and conceal troops, vehicles, or installations from
Air release button
Control valve and dust and
moisture proof boot
enemy view.
Float bowl
Carburetor reservoir
1-2. MAINTENANCE FORMS AND RECORDS.
Float bowl toggle valve
Shutoff cock
Department of the Army forms and procedures used
Nonmetallic hose
Nonmetallic hose assembly
for equipment maintenance will be those prescribed by
Fog oil inlet hose
Nonmetallic hose assembly
Fuel hose
DA PAM 738-750, The Army Maintenance Manage-
Fuel shutoff valve
Plug cock
ment System (TAMMS), as contained in Maintenance
Ignition cable
Management Update.
Special purpose cable
Lock pin
Quick release pin
1-3. REPORTING EQUIPMENT IMPROVEMENT REC-
Pressurizing line
Steel tube assembly
M3A4 Smoke generator
OMMENDATIONS (EIR's). If your M3A4 smoke gener-
Generator, smoke,
mechanical: pulse jet,
ator needs improvement, let us know. Send us an EIR.
You, the user, are the only one who can tell us what
M3A4
you don't like about your equipment. Let us know why
b. List of Abbreviations.
you don't like the design or performance. Tell us why a
Abbreviation
Explanation
procedure is hard to perform. Put it on an SF 368 (Qual-
Decon
Decontamination or decontaminating
ity Deficiency Report). Mail it to us at Commander, US
DS2
Decontaminating Solution No. 2
Army Armament, Munitions and Chemical Command,
SGF2
ATTN: AMSMC-QAD (R), Rock Island,IL 61299-6000.
We'll send you a reply.
Section Il. EQUIPMENT DESCRIPTION
1-5. EQUIPMENT CHARACTERISTICS, CAPABILI-
(3) Simple design makes it easy for one opera-
TIES, AND FEATURES.
tor to start and operate.
(4) Can be carried a short distance by a crew of
a. Characteristics.
two.
(1) Self-contained unit using a pulse-jet engine
(5) Can be operated on ground or from truck,
to vaporize and release fog oil into the air. Fog oil cools
trailer, boat, or other level base.
to forma white smoke cloud.
(6) Durable, simple construction permits contin-
(2) Major components are mounted on tubular
uous operation for along time with normal mainte-
steel frame with retractable carrying handles.
nance.
b. Capabilities and Features.
(7) Designed to perform within a temperature
(1) Depending on weather and displacement,
range of 40F to 120oF (40oC to 490C).
produces smoke screen several miles down wind.
(2) Produces smoke for about one hour without
refueling.
1-1