The duties performed by GSMs include:
- maintaining and repairing gas turbine engines and auxiliary equipment;
- working with blueprints, schematics and charts;
- performing administrative procedures related to gas turbine propulsion system operation and maintenance;
- performing work area inspections;
- testing lubricating oil and distillate fuels for contamination, neutralization and precipitation;
- operating standard test equipment;
- stopping engines and checking proper performance;
- replacing and adjusting operating tolerance of contacts, microswitches, relay switches, pressure switches and temperature switches;
- operating electric plant control and main propulsion equipment;
- operating pumps, turning gear, air compressors, oil purification system, low pressure air dehydrators and engineering control systems;
- performing preventive maintenance on ship's fuel system and air system;
- maintaining sea water service system, waste drain system, oil purification system and manually operated valves;
- using hoisting and lifting devices and maintaining special tools;
maintaining and operating ship's service gas turbine generators and
support systems; - maintaining and controlling ship's service steam water chemistry;
- maintaining the controllable pitch propeller system.
Working Environment
Gas turbine systems technicians usually work in engine rooms or shops that may be hot and noisy aboard many types of modern ships. At shore they may work at major repair or training facilities. Work
is physical and analytical (trouble-shooting) for electronic
components.
Credit Recommendations
The American Council on Education recommends that semester hour credits be awarded in the vocational certificate and lower-division bachelor's/associate's degree categories for courses taken in this rating on technical mathematics, applied physics, gas turbines and blueprint reading.
Qualifications and Interests
Personnel in this rating must have mechanical ability, manual dexterity and normal color perception. They should also have experience working with machines and have taken some courses in physics.
GSM - Gas Turbine Mechanical System Maintainer
Gas Turbine Mechanical Systems Maintainers operate, repair and perform organizational and intermediate maintenance on mechanical components of gas turbine engines, main propulsion machinery including gears, shafts and controllable pitch propellers; and assigned auxiliary equipment and propulsion control systems, maintaining and repairing gas turbine engines and auxiliary equipment; working with blueprints, schematics and charts; performing administrative procedures related to gas turbine propulsion system operation and maintenance; performing work area inspections; testing lubricating oil and distillate fuels for contamination, neutralization and precipitation; operating standard test equipment; stopping engines and checking proper performance; replacing and adjusting operating tolerance of contacts, microswitches, relay switches, pressure switches and temperature switches; operating electric plant control and main propulsion equipment; operating pumps, turning gear, air compressors, oil purification system, low pressure air dehydrators and engineering control systems; performing preventive maintenance on ship's fuel system and air system; maintaining sea water service system, waste drain system, oil purification system and manually operated valves; using hoisting and lifting devices and maintaining special tools. Maintain and operating ship's service gas turbine generators and support systems; maintaining and controlling ship's service steam water chemistry; maintaining the controllable pitch propeller system. These maintainers work under the supervision of a mentor while learning a trade or skill.
GSM - Gas Turbine Mechanical System Technician
Gas Turbine Mechanical Systems Technicians operate, repair and perform organizational and intermediate maintenance on mechanical components of gas turbine engines, main propulsion machinery including gears, shafts and controllable pitch propellers; and assigned auxiliary equipment and propulsion control systems· maintaining and repairing gas turbine engines and auxiliary equipment; working with blueprints, schematics and charts; performing administrative procedures related to gas turbine propulsion system operation and maintenance; performing work area inspections; testing lubricating oil and distillate fuels for contamination, neutralization and precipitation; operating standard test equipment; stopping engines and checking proper performance; replacing and adjusting operating tolerance of contacts, microswitches, relay switches, pressure switches and temperature switches; operating electric plant control and main propulsion equipment; operating pumps, turning gear, air compressors, oil purification system, low pressure air dehydrators and engineering control systems; performing preventive maintenance on ship's fuel system and air system; maintaining sea water service system, waste drain system, oil purification system and manually operated valves; using hoisting and lifting devices and maintaining special tools. Maintain and operating ship's service gas turbine generators and support systems; maintaining and controlling ship's service steam water chemistry; maintaining the controllable pitch propeller system. This individual would be expected to perform work independently and mentor Gas Turbine Mechanical Systems Maintainer(s) with very limited supervision.
100506-N-8959T-202 GULF OF ADEN (May 6, 2010) Gas Turbine Systems Technician 2nd Class Jose Ramos, assigned to the Arleigh Burke-class guided-missile destroyer USS Farragut (DDG 99), explains the ship's machinery consoles to Australian Navy Able Seamen Machinery Technicians Gregory Gonzales, left, and Shane Adams during a personnel exchange with the Anzac-class frigate HMAS Parramata (FFH 154). Farragut is part of Combined Task Force 151, a multinational task force established to conduct anti-piracy operations in the Gulf of Aden. (U.S. Navy photo by Mass Communication Specialist 1st Class Cassandra Thompson/Released)
100130-N-1688B-224 GULF OF OMAN (Jan. 30, 2010) Gas Turbine Systems Technician (Mechanical) 1st Class Eli Miranda stands watch at the standard operating station unit during a damage control drill aboard the guided-missile cruiser USS Hue City (CG 66). Hue City is deployed with the Eisenhower Carrier Strike Group to support maritime security operations in the U.S. 5th and 6th Fleet areas of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Matthew Bookwalter/Released)
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