Section I GENERAL INFORMATION
a. Type of Manual. This manual provides direct
support maintenance instructions for the power
distribution unit, including repair parts and special tools
Power distribution unit panel
b. Equipment Name and Number.
Semiconductor device, diode
c. Purpose of Equipment. The PDU accepts and
distributes 208 V ac, 3 phase, 400 Hz power to
appropriate collective protection equipment (CPE)
components. It converts high voltage ac power to 28 V
Dust and moisture seal boot
dc for appropriate CPE components.
1-2. MAINTENANCE FORMS, RECORDS, AND
PE LIGHT circuit
Department of the Army forms and
procedures used for equipment maintenance will be
those prescribed by DA Pam 738-750, The Army
DC POWER circuit
Maintenance Management System (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
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,
US Army Armament, Munitions and Chemical
Command, ATTN: AMSMC-QAD(R), Rock Island, IL
61299-6000. We will send you a reply.
Section II EQUIPMENT DESCRIPTION AND DATA
DESCRIPTION AND DATA
(2) Converts high voltage ac power to 28 V dc.
a. Organizational Support Manual.
c. Typical CPE System Description.
(1) The gas-particulate filter unit (GPFU) removes
toxic gases and dust from the air supplied to the
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
air is pushed through the