Cessna 320 Skyknight — Wiring Diagram

This document provides a comprehensive overview of the Automatic Propeller Synchronization system specifically designed for the Cessna 414A. It details the operation, installation, and maintenance of the synchronizer system, which is an optional accessory that enhances the performance of the aircraft's twin engines by matching their RPMs. The document includes wiring diagrams, troubleshooting tips, and check values necessary for ensuring the system operates correctly. It serves as a valuable resource for pilots and maintenance personnel to understand the functionality and maintenance requirements of the propeller synchronizer system.

• The synchronizer system matches the RPM of both engines, enhancing performance and reducing cabin vibration.
• The actuator adjusts the slave engine's RPM within a ±50 RPM range of the master engine.
• Wiring checks must be performed to ensure proper connectivity and functionality of the synchronizer system.
• The control box operates on 28 volts DC and draws less than 1 amp.
• The system requires no maintenance apart from visual inspections during regular aircraft checks.