Piper Service Bulletin No. 324
Applicability:
- Piper PA-18-150 Super Cub
- Piper PA-23-250 and PA-E23-250 Aztec
- Piper PA-24 Comanche
- Piper PA-30 Twin Comanche
- Piper PA-31 and PA-31-300 Navajo
- Piper PA-39 Twin Comanche C/R
System: Engine
Issue Date: September 29, 1970
Subject: Vacuum Pump Adapter Drive Assembly
Summary: Instructions for an inspection of the vacuum pump adapter drive assembly.
Open PDF: PIP_SB324.pdf