Piper Service Letter No. 242A
Applicability: Piper PA-18A "135"
System: Engine
Issue Date: February 20, 1959
Subject: Special Air Filter Kits
Summary: Incorporating a new air filter installation which takes carburetor air from the top of the engine cowl instead of the bottom, thereby reducing the amount of sand and dirt that can enter the engine.
Open PDF: PIP_SL242A.pdf