DISTRIBUTOR-TYPE FUEL SYSTEMS
distributor-type fuel system is found on small-to medium-sized diesel engines. Its
operation is similar to an ignition distributor found on gasoline engine. A rotating
member, called a rotor, within the pump distributes fuel at high pressure to the
individual injectors in engine firing-order sequence.
several manufacturers of distributor-type fuel injection systems. Operation of the fuel
distribution is similar, in that a central rotating member forms the pumping and the
distributing rotor is driven from the main drive shaft on which the governor is mounted.
distributor-type fuel system that will be discussed is the DB2 Roosa Master diesel
fuel-injection pump, manufactured by Stanadyne's Hartford Division.