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.

Product Support Network

Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.

Find a Service Center

Every Lycoming Service Center can help keep your engine up to date with all Service Instructions.