AIRCRAFT ENGINE MECHANIC

GENERAL EXPERIENCE: Experience or training that has provided the ability to perform assembly and disassembly operations and make prescribed modifications to aircraft engines, engine assemblies, and accessories in accordance with technical specifications, procedures, and requirements. Experience using hand and power tools common to the trade.

SPECIALIZED EXPERIENCE: Must have at least 18 months experience or training performing standard, routine assembly and disassembly operations and making prescribed modifications to aircraft engines, engine assemblies, and accessories. Experience or training performing maintenance overhaul, troubleshooting, testing, and repair of aircraft engines, engine components, and powertrains for fixed and/or rotary wing aircraft.

Experience determining maintenance needed from work orders, inspection reports, historical records, and diagnosis.

A WG-8602-10, AIRCRAFT ENGINE MECHANIC: Troubleshoots and diagnoses malfunctioning engines to determine degree of disassembly, repair, modification, and adjustment needed. Removes and disassembles aircraft engines in order to perform necessary maintenance. Inspects engine components using visual, magnetic, fluorescent and dye-penetrant inspection methods. Analyses inspection findings to determine extent of repairs required.

With the aid of diagrams, schematics and technical publications, makes necessary repairs and modifications. Assembles and installs engines adhering to prescribed procedures, safety practices and technical requirements. Pre-oils newly installed engines and performs initial start-up. Performs periodic and special inspections on engines. Inspects installed, repaired and modified engines and components to insure compliance with technical publications.

Interprets inspection findings to determine adequacy of repairs, modification, or corrective 'actions. Conducts tests of repaired components using bench mock-ups and related test equipment. Installs special test equipment and performs preoperational and post operational checks. Evaluates engine performance by computing fuel consumption, monitoring RPM and analyzing exhaust gas temperatures. Performs engine trim in accordance with applicable directives.

Adjusts, aligns and calibrates engine and components to insure maximum operating efficiency consistent with design characteristics. Employs a variety of test equipment and instruments such as engine pressure-ratio-indicator, exhaust-gas temperature gage, fuel flow meter, air pressure indicator and other alignment fixtures. Evaluates engine performance and accepts or rejects engine. Must be knowledgeable of applicable technical manuals and other publications pertaining to aircraft engines.

May be required to maintain library of pertinent regulations. Evaluates justification for unsatisfactory reports and practicality of proposed modification. Records and maintains test data on appropriate log sheets. May assist in identifying stock numbers for required repair parts or in the requisitioning of bench stock materials, parts and equipment. When designated on NCB Flying Status orders, may participate in aerial flights which are defined by applicable Army publications as Maintenance Test Flights.

Serves as a member of the flight crew for the purpose of observing, recording, and diagnosing malfunctions, or otherwise assisting in determining the performance of aircraft engine components. Performs on-the-job training as required. Evaluates training effectiveness. Performs such travel as may be required in the accomplishment of assigned duties and the organizational mission. May assist authorized firefighters in the performance of fire/crash/ rescue duties as needed.

May assist in other functions within the component repair shop in the accomplishment of mission requirements. Other duties as assigned.(temporary, minor, or incidental tasks)