![]() ![]() This pump raises the fuel pressure to an intermediate level, and as its capacity is many times the maximum requirements of the injection pump a regulating valve, housed in the pump end plate, allows excess fuel to be by-passed back to the suction side of the transfer pump. Mounted on the outer end of the pumping and distributing rotor is a sliding-vane-type transfer pump. A central rotating member forms the pumping and distributing rotor, and this is driven by the drive hub through a splined drive shaft on which is mounted the governor flyweight assembly. To ensure correct location, transmits the drive from the chain wheel to the injection pump drive hub. Ca.2 Fuel injection pump air bleed points 1. THE FUEL SYSTEM (Distributor-type Injection Pump)įig. Ca.l Main fuel filter air bleed points 1. A splined quill shaft, having a master spline at each endįig. The pump is flange-mounted on the rear of the engine front mounting plate and is driven by the timing chain. Section Ca.6 DESCRIPTION OF THE FUEL INJECTION PUMP The injection pump is a single-cylinder, opposedplunger, inlet-metering, distributor-type pump fitted with a mechanical flyweight-type governor and a hydraulically operated automatic advance mechanism. ![]()
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February 2023
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