Military Generator Identification

MEP-005A MEP-OO5A 30 kW 50/60 Hz Diesel Generator

NSN: 6115-118-1240

TM numbers:
TM 5-6115-465-12
TO 35C2-3-446-1
NAVFAC P-8-625-12
TM 06858B/06859D-12

TM 9-6115-465-24P
TO 35C2-3-446-4
NAVFAC P-8-625-24P

Expanded Description:
MEP-005A 30 KW 50/60 Hz GENERATOR Tactical Utility

Additional Notes:
General. The generator
sets, models MEP-005A, MEP-104A and
MEP-114A (figures 1-1, 1-1.1 and
1-2) are fully enclosed, selfcontained,
skid mounted, portable
units. They are equipped with
controls, instruments and accessories
necessary for operation as
single unit or in parallel with one
or more units of the same class and
mode. Each set is equipped with
engine oil pan heating elements and
necessary connections for field
installation of winterization kits.
Lifting clevises for hoisting the
enerator set are located at the top
of the lifting frame and center
support assembly. Tubular cross
members, that will accept a chain,
have been provided at the front and
rear of the skid base assembly to
permit towing or short distances.
Mobility of the units may be
obtained by mounting on trailers or
equipping with a wheel mounting
kit. To extend the capability of
the generator sets, they have also
been designed to accept and operate
with the following optional kits:
(1) Fuel Burning Winterization
Kit (paragraph 4-3).
(2) Electric Winterization
Kit (paragraph 4-9).
(3) Wheel Mounting Kit
(paragraph 4-15).
(4) Load Bank Kit (paragraph
Automatic Transfer Panel
primary power and automatically
starts and transfers the load to a
standby generator set in the event
of abnormal primary power fluctuation
or failure. Continues
sensing primary power and upon
satisfactory resumption, will
return the load to the primary
power source, shut-off and recycle
the generator set to a standby
condition. (See Appendix A for
Automatic Transfer Panel
: Monitors 400 Hz power and
automatically starts and transfers
the load from an operating 400 Hz
generator set to a like standby set
in the event the operating set load
contactor opens due to a faulty
condition. (See Appendix A for
(7) Remote Control Box:
Permits starting and stopping of
the generator set from a remote
location. (See Appendix A for
(8) Auxiliary Fuel Burning
Winterization: Provides a
dependable external source of
battery power for starting of the
generator set in ambient
temperatures from -25°F to -65oF.
(See Appendix A for manual.)
(9) Auxiliary Electric
Winterization: Provides a
dependable external source of
battery power for starting a
generator set in ambient
temperatures from -25°F to -65oF.
(See Appendix A for manual.
(10) Acoustic Suppression
Kit: Provides noise suppression to
lower sound to 70 dB(A) at 7 meters
(paragraph 1-6.e).
b. Engine. Power source of the
generator set is a six cylinder,
four cycle, fuel injected, liquid
cooled diesel engine. The engine
electrical system contains a
cranking motor, two 12 volt
batteries in series, and a battery
charging alternator with integral
rectifier and voltage regulator.
The engine is also equipped with a
fuel filter and strainer assembly,
a secondary fuel filter, a
lubricating oil filter, and an air
cleaner. Cooling water is
circulated through the engine by a
water pump. Safety devices
automatically stop the engine
during conditions of high coolant
temperature, low oil pressure, no
fuel, over-speed, or over-voltage.
c. Generators. The alternating
current generators are single
bearing, drip-proof, synchronous,
brushless, three phase, fan cooled
generators. Rated voltages are
maintained by excitation of the
generator-exciter field by a static
exciter mounted on the relay table.
The cooling fan, located at the
front of the generator, impels
cooling air which enters the
generator and passes over the
windings. Safety devices are
provided to protect the generator
in the event of short circuit,
overload, under-voltage,
under-frequency, reverse power, and
d. Control Cubicle. The
generator set control cubicle is
located at the rear top of the
generator set and contains controls
and instruments for operating the
engine and the generator. The
control panel is grounded to
protect the operator from
electrical shock in the event of a
short in the equipment. The
generator section of the control
panel contains meters for
monitoring generator output,
adjusting knobs for increasing and
decreasing frequency (Class 1 only)
and voltage, and a circuit breaker
switch for interrupting all output
from the generator set. Also
included on the generator control
panel are an operations switch and
synchronizing lights for operating
the set as a single unit or in
parallel with other units. The
engine section of the control panel
contains switches for priming,
starting, and stopping the engine
and meters for monitoring set fuel
level, oil pressure, and coolant
temperature. Also included is an
ammeter for the battery charging
e. Electric/Electro-Hydraulic
Governing System (Precise Sets
only). The governing system senses
the speed and load electrically and
provides the controls and load
responses necessary for effective
single unit or parallel operation.
The system consists of a rheostat
for frequency adjustment, a load
measuring unit for sensing load
changes, and governor control unit
which signals the actuator for
rapid governor response. The
MEP-104A Electro-Hydraulic System
has a hydraulic actuator, a
hydraulic pump and a hydraulic
sump. The MEP-114A sets use an
Electric-Magnetic Actuator.