SB-04 Piper Fuel System Maintenance

Piper Service Bulletin No. 4

Applicability: All Piper models manufactured up to and including December 1945

System: Fuel

Issue Date: February 15, 1946

Subject: Fuel System Maintenance

Summary: As a safety precaution, it is advisable to remove the fuel drain fitting and clean off all accumulations of foreign matter in the screen every 100 hours of flight.

Open PDF: PIP_SB04.pdf