TM 3-4240-334-20&P

TM 3-4240-334-20&P
CHAPTER 1
INTRODUCTION
Section I. GENERAL INFORMATION
1-1. SCOPE.
a. Type of Manual. This is a unit maintenance manual including repair parts and special tools list
(RPSTL) for use with the M43A1.
b. Equipment Name and Model Number. Mask, Chemical-Biological: Aircraft M43A1.
c. Purpose of Equipment. To protect face, eyes, and respiratory system from field concentrations of
Chemical-Biological (CB) agents and Riot Control (RC) agents.
d. Special Limitations on Equipment. Does not protect against ammonia or carbon monoxide gases.
Does not protect the user in an oxygen deficient environment.
1-2. MAINTENANCE FORMS AND PROCEDURES.
Department of the Army forms and procedures used for equipment maintenance will be those
prescribed by DA PAM 738-750, The Army Maintenance Management Systems (TAMMS) as contained in
Maintenance Management Update.
1-3. DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE.
Refer to TM 43-0002-31, Destruction of Chemical Weapons and Defense Equipment to Prevent Enemy
Use, for methods of destruction.
1-4. PREPARATION FOR STORAGE OR SHIPMENT.
For instructions concerning storage or shipment, refer to para 2-17.
1-5. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR).
If your mask needs improvement, let us know. Send us an EIR, You, the user, are the only one who can
tell us what you don’t like about your equipment. Let us know why you don’t like the design or performance. Put
it on an SF 368 (Quality Deficiency Report). Mail it to Commander, U.S. Army Armament Munitions and Chemical
Command, ATTN: AMSMC-QAD (R), Rock Island, IL 61299-6000. We will send you a reply.
1-6. SAFETY, CARE, AND HANDLING.
Caution must be used when handling contaminated masks and canisters. Decontamination procedures
for the facepiece assembly and blower assemblies can be found in para 2-19. For decontamination of other
components of the M43A1 mask, follow procedures in FM 3-5.
Caution must also be used when using n-amyl acetate to check facepiece for leaks. It is flammable,
could irritate the skin under prolonged exposure, and may be toxic if inhaled in quantity. For first aid information,
see FM 21-11.
1-1