SL-349 Piper Adjustment of Engine Support Bushings

Piper Service Letter No. 349

Applicability: Piper PA-18, PA-22 and PA-25 series aircraft equipped with Lycoming engines

System: Engine

Issue Date: December 14, 1960

Subject: Adjustment of Engine Support Bushings

Summary: Per Lycoming Division of Avco Corporation, it is permissible to use a torque value of 40 inch pounds to provide adequate tightness to maintain proper engine support in lieu of the linear dimension as previously specified.

Open PDF: PIP_SL349.pdf