Cessna 190 — Service Manual

This document serves as a service manual for the McFarlane Aviation Fuel Selector Valve assembly, specifically part number MC0311070, which is a replacement for the Cessna 0311070 fuel selector valves used in various Cessna aircraft including the Cessna 190. It outlines the procedures for continued airworthiness, including installation, inspection, and maintenance of the fuel selector valve. The manual is intended for aviation maintenance personnel and provides detailed instructions on disassembly, inspection, assembly, and testing of the fuel selector valve to ensure it meets airworthiness standards. It emphasizes the importance of following Cessna service manuals for operational control and provides specific measurements and procedures to ensure the valve functions correctly.

• The fuel selector valve is a four-position valve controlling fuel flow from two wing tanks.
• Minimum valve deflection for airworthiness is .062 inches during flow capacity inspection.
• Leak checks must confirm no leakage in the OFF position under pressure.
• Assembly and disassembly procedures must follow specified steps to avoid damage.
• Refer to Cessna service manuals for operational control and additional maintenance guidance.