Service Instruction No. 1472

Removal of preservative oil from engine

Publications
Service Instruction No. 1472

August 12, 1994

MODELS AFFECTED

All Lycoming reciprocating engines.

TIME OF COMPLIANCE

Prior to installation of engine in the aircraft

Prior to shipment from Lycoming, an engine undergoes a preservation treatment. In order to protect the cylinders and related parts preservative oil is sprayed into each cylinder. If an intake valve is open, it is possible for oil to get into the induction system of the engine. For this reason, careful deperservation of an engine is important.

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