Fuel Injection System Manuals Precision Airmotive has a complete line of training, troubleshooting, service and overhaul manuals to support all RSA fuel injection systems.
The fuel selector valve works in unscreened fuel. Contaminated fuel can cause selector valve seal damage. When fueling from possibly contaminated fuel sources McFarlane recommends the use of a fuel filter, such as Mr. Funnel or another filtering device, to reduce trash in the fuel system.