TM 3-4240-286-20&P
CHAPTER 1
INTRODUCTION
Section I. GENERAL INFORMATION
Official
Nomenclature
Common Name
M56 Gas-Particu-
Filter Unit, Gas-
1-1.
SCOPE.
Particulate, 200 CFM,
late Filter Unit
a. Type of Manual: Organizational Mainte-
208 V, 400 Hz, M56
nance, including the Repair Parts and Spe-
Installation Kit, M263
M263 Installation
cial Tools List.
Kit
b. Model Numbers and Equipment Names:
Cable Assembly, Special
Cable
The Collective Protection Equipment, Air
Purpose Electrical,
C5-19-6170-40
Defense Command and Control System,
C5-19-6170-40
AN/TSQ-73 consists of
M12 Protective Entrance
Cable Assembly, Special
Cable
M56 Gas-Particulate Filter Unit
Purpose Electrical,
C5-19-6162-10
M263 Installation Kit
C5-19-6162-10
c. Purpose of Equipment: Provides filtered air
Cable Assembly, Special
Cable
under positive pressure to the M12 Protec-
Purpose Electrical
C5-19-6170-10
tive Entrance and to the AN/TSQ-73 shelter.
C5-19-6170-10
Cable
Cable Assembly. Special
1-2.
MAINTENANCE FORMS AND RECORDS.
Purpose Electrical,
C5-19-6160-40
Department of the Army forms and procedures
C5-19-6160-40
used for equipment maintenance will be those
Cable
Cable Assembly, Special
prescribed by TM 38-750, The Army Mainte-
Purpose Electrical,
C5-19-6160-50
nance Management System.
C5-19-6160-50
Cable
Cable Assembly, Special
1-3.
DESTRUCTION OF MATERIEL TO PRE-
Purpose Electrical,
C5-19-6684
VENT ENEMY USE. Refer to TM 43-0002-31,
C5-19-6684
Destruction of Chemical Weapons and Defense
Equipment to Prevent Enemy Use.
1-6. REPORTING EQUIPMENT IMPROVE-
MENT RECOMMENDATIONS (EIR). If
PREPARATION FOR STORAGE OR SHIP-
1-4.
your collective protection equipment needs im-
MENT. Refer to TM 9-1430-651-12.
provement, let us know. Send us an EIR. You,
the user, are the only one who can tell us what
1-5.
NOMENCLATURE CROSS-REFERENCE
you don't like about your equipment. Let us
LIST. This listing includes nomenclature
know why you don't like the design. Tell us why a
cross-references used in this manual.
procedure is hard to perform. Put it on an SF 368
(Quality Deficiency Report). Mail it to us at
Official Nomenclature
Common Name
Commander, US Army Armament Materiel
M12 Protective
Entrance, Protective,
Readiness Command, ATTN: DRSAR-MAP-A,
Entrance
Pressurized, Collapsible,
Aberdeen Proving Ground, MD 21010. We'll
M12
send you a reply.
1-1
