CESSNA A185E — Service Bulletins

This Service Instruction (TAT SI15-02) issued by Tornado Alley Turbo, Inc. provides maintenance guidance specifically for the Cessna A185E/F and other aircraft that have been turbonormalized. The document addresses issues related to low manifold pressure that may occur after the installation of new or overhauled turbochargers. It emphasizes the importance of regular operation of the aircraft to prevent rust deposits from forming on the turbocharger components, which can lead to performance issues. The instructions are aimed at aircraft owners and maintenance personnel to help mitigate these potential problems and ensure the proper functioning of the turbocharging system.

• The turbocharger may stick due to rust deposits, especially after installation or overhaul.
• Pilots should expect full manifold pressure of 29.6 inches or more during takeoff.
• Regular operation of the aircraft is recommended to prevent rust accumulation on turbocharger components.
• Specific troubleshooting steps are provided for addressing turbocharger issues.
• Compliance with this Service Instruction is not covered under warranty.