The Boost Pressure Actuator (BPA) and the BPA mounting bracket is replaced as part of the turbo
charger assembly. For removal and installation of the BPA refer to Chapter 81-00-20.
05-30-04 Cylinder head
For engine model E4P: Only use cylinder head assembly E4PA-12-R10-000 for
replacement. Ensure that no “EU5” marking is visible on the cylinder head.
For engine model E4: Use cylinder head assembly E4A-12-R10-000 for replacement.
Replace the camshafts during cylinder head replacement.
Conduct the power evaluation described in chapter 85-50-00 before the replacement of
the cylinder head.
For cylinder head replacement refer to chapter 85-50-00.
Conduct the power evaluation described in chapter 85-50-00 after the replacement of the
cylinder head.
Before determining the airworthiness Austro Engine GmbH has to check the collected
power evaluation data and confirm that no power loss has occurred.
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