Robinson R22 — Wiring Diagram

This document is the Maintenance Manual for the Robinson R22 helicopter, specifically focusing on the electrical system. It provides detailed descriptions and procedures related to the electrical components, including the battery, lighting system, audio system, and various warning and caution lights. The manual is intended for maintenance personnel and pilots who need to understand the electrical system's operation and troubleshooting procedures. Key sections include descriptions of the battery setup, clutch actuator functionality, and the dual tachometer system, among others. The manual emphasizes safety precautions and proper maintenance practices to ensure the reliability and safety of the helicopter's electrical systems.

• 14-volt, 60-ampere alternator (optional 70-ampere)
• Battery located on lower left frame or in nose under upper console
• Clutch actuator engages rotor drive via electric actuator
• Lighting system includes anti-collision, navigation, and landing lights
• Troubleshooting includes checking circuit breakers and battery voltage