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UNITED STATES MARINE CORPS
MARINE CORPS ENGINEER SCHOOL
UTILITIES INSTRUCTION COMPANY
PSC 20069
CAMP LEJEUNE, NORTH CAROLINA 28542-0069
MEP-831 GENERATOR CHARACTERISTICS, CAPABILITIES,
COMPONENTS, OPERATIONS AND PMCS CLASS
1.
MEP-831A CHARACTERISTICS AND CAPABILITIES.
a. The MEP 831A is a 3kW (3000 watt) generator producing
60Hz of electric power. The MEP 831A is skid mounted with fork
lift provisions.
b. The MEP 831A weighs 304lbs dry, and 334lbs with a full
fuel tank. The MEP 831A is 34.8” long, 27.8” wide, and 26.5”
tall. The MEP 831A has six lifting handles and four tie down
rings. The MEP 831A can be manually lifted, or moved by
forklift.
c. The MEP 831 has a hinged enclosure that allows quick
access for preventive and scheduled maintenance. The cooling
system for the MEP 831A is a thermostatically cooled by two
fans.
d. The MEP 831A has a single-cylinder, air cooled, direct
injection, four stroke Yanmar diesel engine. The engine operates
between 3000 to 3600 RPM (6.7 HP at operating speed). The
maximum RPM rating is 3800 RPM. The diesel engine for a MEP 831A
has an oil capacity of 1.2 quarts (1.1 liters), and is consumed
at 0.04 ounce (1.18 ml) per hour at a rated load.
e. The MEP 831A is equipped with a four gallon fuel tank,
allowing eight hours of continuous operation at a full load. The
MEP 831A is designed to consume .5 gallons per hour at a rated
load. When the MEP 831A is connected to an auxiliary fuel
system, it will be continually replenished. The MEP 831A is
designed to use either diesel fuel type 1 (DF1) or 2 (DF2), and
turbine fuel JP-8.
f. The MEP 831A has 24VDC cranking system. The MEP 831A has
a Permanent Magnet Alternator (PMA) with a frequency converter.
