Service Instruction No. 1059 E

Pre-Lubrication of Parts Before Assembly

Publications

Supersedes Service Instruction No. 1059D

January 27, 2016

MODELS AFFECTED

All Lycoming opposed series aircraft engines

TIME OF COMPLIANCE

At engine assembly

REASON FOR REVISION

Update lubricants

This Service Instruction identifies approved factory-tested lubricants for specific engine parts that must be lubricated during engine assembly. Many premature part failures have been caused by incorrect prelubrication during engine assembly.

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