FUNCTIONING OF EQUIPMENT
improvement, let us know. Send us an EIR. You, the
a. This manual contains direct support, general sup-
user, are the only one who can tell us what you don't
port, and depot maintenance instructions for Power
like about your equipment. Let us know why you don't
supply PP-4606A/G (power supply). It includes in-
like the design. Tell us why a procedure is hard to per-
structions appropriate for troubleshooting, testing, and
form. Put it on an SF 368 (Quality Deficiency Report).
repairing the equipment. It also lists tools, materials,
and test equipment required for maintenance. Func-
Electronics Command, ATTN: DRSEL-ME-MQ, Fort
tional analysis of the equipment is covered in this
Monmouth, NJ 07703. We'll send you a reply.
b. The complete technical manual for this equip-
ment includes TM 11-6130-243-12-1.
c. Reporting Errors and Recommending Im-
provements. You can help improve this manual. If you
a. The power supply is designed to operate from
find any mistakes or if you know of a way to improve
either 220- or 440-volt, 60-cycle, 3-phase power mains.
the procedures, please let us know. Mail your letter or
Jumpers are used to provide for correct connection of
DA Form 2028 (Recommended Changes to Publications
the power mains to the primary windings of input power
and Blank Forms) direct to Commander, US Army
simplified schematic diagrams that show how the
DRSEL-ME-MQ, Fort Monmouth, NJ 07703. In either
primary windings are delta-connected to the power
case, a reply will be furnished direct to you.
mains. Refer to the complete schematic diagram (fig.
of Technical Publications
1-1) while studying
the two simplified schematic
Refer to the latest issue of DA Pam 310-4 to determine
whether there are new editions, changes, or additional
b. When the power supply is arranged to operate
publications pertaining to the equipment.
with 220-volt input power, jumpers are connected
Maintenance Forms, Records,
between specific terminals as shown by the short heavy
a n d Reports
a. Reports of Maintenance and Unsatisfactory
into a delta configuration. When the INPUT POWER
Equipment. Department of the Army forms and pro-
circuit breaker switch (CB1, CB2, and CB3) is at ON,
cedures used for equipment maintenance will be those
input power is routed from the B terminals of the circuit
prescribed by TM 38-750, The Army Maintenance
breakers through the jumpers to each parallel-connected
pair of primary windings in each leg of the delta.
b. Report of Packaging and Handling Deficiencies.
c. When the power supply is arranged to operate
Fill out and forward SF 364 (Report of Discrepancy
with 440-volt input power, jumpers are connected
[ROD)) as prescribed in AR 735-11-2/DLAR
between a different group of specific terminals as shown
4140.55/NAVMATINST 4355.73/AFR 400-54/MCO
c. Discrepancy in Shipment Report (DISREP) (SF
connected into a delta configuration. When the INPUT
361). Fill out and forward Discrepancy in Shipment
POWER circuit breaker switch (CB1, CB2, and CB3) is
Report (DISREP) (SF 361) as prescribed in AR
at ON, input power is routed from the C terminals of
55-38 /NAVSUPINST 4610.33 B/AFR 75-18/MCO
the circuit breakers through the jumpers to each series-
connected pair of primary windings in each leg of the
Administrative storage of equipment issued to and used
by Army activities shall be in accordance with TM
of Army Electronics
The output circuit includes the two secondary windings
(5 and 6; 7 and 8) of power transformers T1, T2, and
Destruction of Army electronics materiel to prevent
T3, diode rectifiers CR1 through CR12, capacitors C1
enemy use shall be in accordance with TM 750-244-2.
through C12, load resistors R2 and R3, and interphase
1-2.4. Reporting Equipment Improve-
transformer T4. Secondary windings 5 and 6 of T1, T2,
ment Recommendations (EIR)
and T3 are connected in a wye configuration, and
secondary windings 7 and 8 of T1,
a. Army. If your Power Supply PP-4606A/G needs