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OCCUPATIONAL FIELD 03 - Marine Engineering (EM, EN, GS, IC, MM)

OCCUPATIONAL FIELD 03 - Marine Engineering (EM, EN, GS, IC, MM) (5)

Machinist's Mates (Surface) (MM) operate, maintain, and repair (organizational and intermediate level) ship propulsion machinery, auxiliary equipment, and outside machinery, such as: steering engine, hoisting machinery, food preparation equipment, refrigeration and air conditioning equipment, windlasses, elevators, and laundry equipment. Operate and maintain (organizational and Intermediate level) marine boilers, pumps, forced draft blowers, and heat exchangers; perform tests, transfers, and inventory of lubricating oils, fuels, and water. Maintain records and reports, and may perform duties in the generation and stowage of industrial gases.
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Interior Communications Electricians (IC) operate and perform organizational and intermediate maintenance on alarm, warning, and indicator systems; interior communications; and ship's control, entertainment, and navigation systems.
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Gas Turbine Systems Technicians (GS) operate, repair, and perform organizational and intermediate maintenance on gas turbine engines, main propulsion machinery (including gears, shafting, and controllable pitch propellers), assigned auxiliary equipment, propulsion control systems, assigned electrical and electronic circuitry up to the printed circuit and alarm warning circuitry.
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Enginemen (EN) operate, maintain, and repair (organizational and intermediate level) internal-combustion engines, main propulsion machinery, refrigeration, air conditioning, gas turbine engines, and assigned auxiliary equipment. Stand watch on auxiliary boilers.
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Electrician's Mates (EM) stand watch on generators, switchboards, control equipment and electrical equipment; operate and perform organizational and intermediate maintenance on power and lighting circuits, electrical fixtures, motors, generators, voltage and frequency regulators, controllers, distribution switchboards and other electrical equipment; test for short circuits, ground or other casualties; and rebuild electrical equipment, including solid state circuitry elements, in an electrical shop.
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