Piper PA-23 Apache — Weight And Balance

This document provides installation instructions for Heater Kit #1, specifically designed for the Piper PA-23 Apache and its variants. It covers the installation process, wiring, plumbing, and testing procedures necessary to integrate the heater into the aircraft. The instructions emphasize compliance with FAA regulations and the importance of following the aircraft's service manual. It also includes information on weight and balance considerations related to the heater installation, ensuring that pilots and maintenance personnel can safely and effectively install the heater while adhering to regulatory requirements.

• Old heater weight: 23 lbs; new heater weight: 28 lbs.
• Weight and balance calculations required after installation.
• Electrical requirements: 12VDC.
• Preferred fuel pressure during testing: 8 psi (6.5 psi min, 10 psi max).
• Installation must comply with FAA regulations and aircraft service manual.