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  CHAPTER 1
INTRODUCTION
Section I.
GENERAL
1-3. Forms and Records
1-1. Scope
a. This manual describes Power Supplies
a. Reports of Maintenance and Unsatisfac-
PP-4763/GRC and PP-4763A/GRC (fig. l-l)
tory Equipment. Use equipment forms and rec-
and provides instructions for their installation,
ords in accordance with instructions given in
operation, and maintenance. It includes in-
TM 38-750.
structions for cleaning and inspection of the
b. Report of Packing and Handling Defi-
equipment, and touchup painting instructions.
ciencies. Fill out and forward DD Form 6 (Re-
b. The basic items issue list (BIIL) appears
port of Packaging and Handling Deficiencies)
in appendix B.
as prescribed in AR 700-58 (Army), NAVSUP
c. The maintenance allocation chart (MAC)
Pub 378 (Navy), AFR 71-4 (Air Force), and
appears in appendix C.
MCO 4030.29 (Marine Corps).
d. Appendixes B and C are current as of 15
c. Discrepancy in Shipment Report (DIS-
October 1968.
REP) (SF 861). Fill out and forward Discrep-
e. Throughout this manual, Power Supplies
ancy in Shipment Report (DISREP) (SF 361)
P P - 4 7 6 3 / G R C and PP-4763A/GRC are re-
as prescribed in AR 55-38 (Army), NAVSUP
ferred to as power supp1y, except when a spe-
Pub 459 (Navy), AFM 75-34 (Air Force), and
cific model is cited.
MCO P4610.19 (Marine Corps).
1-2. Indexes of Publications
d. Report of Equipment Manual Improve-
a. DA Pam 310-4. Refer to the latest issue of
ments. Report of errors, omissions, and recom-
DA Pam 310-4 to determine whether there are
mendations for improving this publication by
new editions, changes, or additional publica-
the individual user is encouraged. Reports
tions pertaining to the equipment.
should be submitted on DA Form 2028 (Rec-
b. DA Pam 310-7. Refer to the latest issue of
ommended Changes to DA Publications) and
DA Pam 310-7 to determine whether there are
forwarded direct to Commanding General, U.S.
modification work orders (MWO'S) pertaining
Army Electronics Command, ATTN: AMSEL
to the equipment.
-ME-NMP-AD, Fort Monmouth, N.J. 07703.
Section II. DESCRIPTION AND DATA
source for communication equipment or any
1-4. Purpose and Use
type of load with requirements within their
Power Supply PP-4763/GRC converts 115
voltage and current ratings.
volts alternating current (at) to direct current
(dc) at a selected regulated voltage. Power
1-5. Technical Characteristics
Supply PP-4763A/GRC converts either 115 or
Power input:
230 volts ac to direct current at a selected re-
Voltage --------------- 115 volts ±10% at 47 to
gulated voltage. The power supplies function
63 cps.(PP-476S/GRC).
in a similar way; both provide a dc power
115 volts ±10% at 47 to
AGO 6196A
1-1
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