Piper Service Bulletin No. 121
Applicability:
- Piper PA-18 "135" and PA-18A "135"
- Piper PA-20 "135"
- Piper PA-22 "135"
System: Engine
Issue Date: August 25, 1952
Subject: Oil Radiator Lines
Summary: Misalignment of the oil radiator lines on the Lycoming 0-290-D2 135 horsepower engines at the point where they pass through the rear engine baffle.
Open PDF: PIP_SB121.pdf