Turbine Case Cooling (TCC) Air Valve Control Cable

The Turbine Case Cooling Air Valve Control Cable and Control Assembly Valve interface control cable modulate the position of the turbine case cooling air valve in response to mechanical inputs from linear hydraulic actuator controlled by the Electronic Engine Control (EEC). The primary function is to maintain optimal distance between the inner skin of the turbine case and the turbine blades for engine efficiency.

Product Highlights:

• As conditions within the engine continue to change throughout flight, these cables modulate the TCC vent to control the amount of engine bypass air flow onto the turbine case.
• TCC controls are designed to withstand high temperatures and harsh operating conditions, commonly experiences in the hot section of a turbine engine.

Aircraft Applications:

Pratt & Whitney part number 59T756

Engines: PW4050, PW4052, PW4060, PW4060A, PW4152, PW4156, PW4158, PW4460

Platforms:

• Airbus: A300, A310, A330
• Boeing 747-400, 757, 767, 777
• KC-46
• MD-11
• C-17 Globmaster

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