Fuel Return Line: Description and Operation
DESCRIPTIONFuel is drawn from the fuel tank mounted fuel pump and is delivered under pressure through the supply fuel tube and fuel filter to the fuel injection supply manifold, and then to the fuel injectors.
CONSTRUCTION
Nylon fuel tubing is made from material which is proven to be acceptable for use with commercially available fuel. It is resistant to most environmental conditions.
NOTE: Avoid using alternate tubing material as this could pose a hazard in service.