Turbine Engines Flashcards
What is meant by a hot-section inspection?
An inspection of the hot section of a turbine engine. The hot section includes the combustors, the turbine, and the exhaust system.
What is meant by on-condition maintenance of a turbine engine?
The monitoring of the engine performance at regular intervals and determining when maintenance is required based on certain operating parameters specified by the engine manufacturer.
What checks of a turbine engine are necessary to verify preflight condition?
Inspection of the cowling and all air inlet areas and attachment of the engine to the airframe.
Inspection of the inlet guide vanes and the first stage of the compressor or fan blades.
Check for unusual noise when the compressor is rotated.
Inspection of the rear turbine, and exhaust system.
Check the quantity of the lubricating oil for the engine and the constant-speed drive unit.
Check the ignition system for operation by listening for the sparks.
What is meant by trimming a turbine engine?
Adjusting the fuel control so the engine develops the correct idle and trim speed RPM.
What type of equipment should be used to determine that a turbine engine is performing up to the standards specified by the engine manufacturer?
A JetCal Analyzer/Trimmer has all of the instrumentation and cables to determine the EGT, EPR, and the other parameters specified by the engine manufacturer.
