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  TM 3-4240-302-30&P-5
CHAPTER 1
INTRODUCTION
Section I GENERAL INFORMATION
1-1.
SCOPE.
a. Type of Manual. This manual provides direct
Common Name
Official Nomenclature
support maintenance instructions for the power
distribution unit, including repair parts and special tools
Panel
Power distribution unit panel
list.
Transformer/rectifier
Power transformer
b. Equipment Name and Number.
T1
Power Distribution Unit (PDU)
NSN 4240-01-068-8645
Diode
Semiconductor device, diode
c. Purpose of Equipment. The PDU accepts and
RFI filter
Radio frequency interference
distributes 208 V ac, 3 phase, 400 Hz power to
filter
appropriate collective protection equipment (CPE)
components. It converts high voltage ac power to 28 V
Waterproof boot
Dust and moisture seal boot
dc for appropriate CPE components.
1-2. MAINTENANCE FORMS, RECORDS, AND
PE LIGHT circuit
Circuit breaker
Department of the Army forms and
REPORTS.
breaker CB3
procedures used for equipment maintenance will be
those prescribed by DA Pam 738-750, The Army
DC POWER circuit
Circuit breaker
Maintenance Management System (TAMMS) as
breaker CB2
contained in Maintenance Management Update.
Relay K1
Electromagnetic relay
1-3. DESTRUCTION OF ARMY MATERIEL TO
PREVENT ENEMY USE. Refer to TM 43-0002-31,
1-5. REPORTING
EQUIPMENT
IMPROVEMENT
Destruction of Chemical Weapons and Defense
RECOMMENDATIONS (EIR). If the collective protection
Equipment to Prevent Enemy Use.
equipment needs improvement, let us know. Send an
1-4. NOMENCLATURE CROSS-REFERENCE LIST.
EIR. You, the user, are the only one who can tell us
Nomenclature cross-references used in this manual
what you do not like about your equipment. Let us know
include the following:
why you do not like the design. Put it on an SF 368
(Quality Deficiency Report). Mail it to the Commander,
Common Name
Official Nomenclature
US Army Armament, Munitions and Chemical
Command, ATTN: AMSMC-QAD(R), Rock Island, IL
Tubing
Nonmetallic tubing
61299-6000. We will send you a reply.
Section II EQUIPMENT DESCRIPTION AND DATA
(2) Converts high voltage ac power to 28 V dc.
1-6.
DESCRIPTION AND DATA
a. Organizational Support Manual.
Refer to
c. Typical CPE System Description.
for
the
applicable
organizational
maintenance manual.
(1) The gas-particulate filter unit (GPFU) removes
toxic gases and dust from the air supplied to the
b. Characteristics.
protective entrance and shelter. Outside and
return air is drawn by the main fan through the
(1) Distributes 208 V ac, 3 phase, 400 Hz power to
air inlet of the filter unit. From the main fan, the
MCPE components.
air is pushed through the
1-1
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