Service Instruction No. 1535 

Counterweight and Roller Removal, Inspection, and Installation

Publications

DATE: October 31, 2011 

MODELS AFFECTED

All Lycoming engines with counterweights installed.

TIME OF COMPLIANCE

As required.

This Service Instruction contains procedures and  dimensions to  remove, inspect, and  install  counterweights and rollers for Lycoming engine crankshafts.

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