Pamphlet 110 Aircraft Engine Mechanic (Turbine)
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Pamphlet 621-110

15 July 1981

APPENDIX A

Work Process Schedule for the Trade of

Aircraft Engine Mechanic (Turbine)

DOT Code: 621.281.030

AIMS Symbol: 0425

Element Work Processes Hours
A Orientation-- (1) Common Hand Tools. (2) Use of Safety Wiring, Locking and Fastening Devices. (3) Use of Common and Special Hardware. (4) Use Precision Measuring Tools and Torque Wenches. (5) Use of Solvents, Cleaning Agents, Preserving and Depressing Materials. (6) Shop and Flight Line Safety Procedures. (7) Use of Technical Publications, Modification Work Orders, Blueprints, Schematics, and Work Requirements. 300
B Turbine Engine Disassembly-- (1) Disassembly of Major Assemblies. (2) Disassembly of Subassemblies. (3) Disassembly of Turbine Wheels. (4) Disassembly of Compressors. 1000
C Inspection of Major and Subassemblies-- (1) Visual Inspection of Components. (2) Non-destructive Testing and Inspection of Components. 700
D Overhaul of Engine Components-- (1) Balancing of Compressor Assemblies. (2) Balancing of Turbine Wheels and Shafts. (3) Overspeed Governors. (4) Fuel Controls. (5) Fuel Pumps, Vaporizer Tubes, Atomizer Nozzles, Drain Valves and Fuel Lines. (6) Oil Pumps, Booster Pumps and Chip Detectors. (7) Bleed Band Actuators. (8) Variable Inlet Guide Vane Actuators. (9) Autoice Valves. (10) Igniter Plugs, High Tension Leads and Ignition Units. 2000
E Assembly and Testing of Subassemblies-- (1) Fuel Control Flow Bench Adjustments. (2) Overspeed Governor Flow Bench Adjustments. (3) Fuel Pumb Assembly and Flow Bench Testing. (4) Vaporizer Tube and Atomizer Nozzle Flow Bench Testing. (5) Assembly of Oil Pumps and Booster Pumps. (6) Flow Bench Testing of Oil Pumps and Booster Pumps. (7) Assembly and Testing of Bleed Band Actuators. (8) Assembly and Testing of Inlet Guide Vane Actuators. (9) Assembly and Testing of Autoice Valves. (10) Testing of electrical components. 2000
F Final Assembly of Turbine Engine-- (1) Assembly of Compressors. (2) Assembly of Turbine Wheels. (3) Assembly of Bearings. (4) Assembly of Major Components. (5) Installation of Subassemblies 500
G Final Testing of Engine-- (1) Installation of Engine in Test Cell. (2) Performing Test Run of Engine. (3) Recording all Parameters During Test Run. (4) Removing Engine From Test Cell. (5) Preservation of Engine. (6) Preparation of Engine for Shipment. 1000
H Troubleshooting Gas Turbine Engines-- (1) Electrical System. (2) Fuel System. (3) Oil System. (4) Torque Meter System. (5) Autoice System. (6) Compressor Section. (7) Combustor Section. (8) Accessories. 500
Grand Total 8000

Special Instructions: Work processes completed in a state or federally recognized apprenticeship program will be accepted upon presentation of proper documentation to the appropriate service school.

Appendix B

Schedule of Related Instruction for the Trade of

Aircraft Engine Mechanic (Turbine)

DOT Code: 621.281.030

AIMS Symbol: 0425

A total of 576 hours of related instruction is required in order to complete this program. Related instruction credit may be awarded individuals registered in the trade of Aircraft Engine Mechanic (Turbine) taken from an accredited institution, providing the courses are similar to the courses taken for a Aircraft Engine Mechanic (Turbine) program in a community college/vocational school.

End of Pamphlet 621-110 Aircraft Engine Mechanic (Turbine)

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