![]() ![]() ![]() It also controls the idling speed of the engine and prevents engine overspeeding in the high-speed range. ecause of this relationship, additional governing of fuel flow is necessary in the fuel pump.Ī flyball type mechanical governor controls fuel pressure and engine torque throughout the entire operating range. Since Cummins engines are all four-cycle, the camshaft is driven from the crankshaft gear at one-half of engine speed. Check out the digital resources listed below or contact us for help with your specific needs. Much of this library is available online. Access to Documents and Materials for Your Cummins Products Cummins produces a wide variety of documents to help customers get the most from their engines, generators and components. Fuel pump code (calibration) does not match engine (CPL) build. PT fuel pump AFC operation is malfunctioning or pump is not operating correctly. Fuel supply line restriction between the fuel pump and the injectors. Check out the digital resources listed below. Offered pump is precisely-designed using quality assured components and innovative technology at our state of the art manufacturing unit. We are offering wide range of Cummins Engine Fuel Injection Pump,Cummins Fuel Injection Pump,Cummins Fuel Pumps,Cummins Rotary Pumps. Industrial Cummins Engine Fuel Injection PT Pumps. The identifying letters, ‘PT,’ are an abbreviation for 'pressure-time.’ The principle of the PT Fuel System is based on the. It is a Cummins design for Cummins Diesels. ![]() This interval is established and controlled by the engine speed, which determines the rate of camshaft rotation and consequently the injector plunger movement.ĬUMMINS PT FUEL SYSTEM SECTION I Operating Principles Cummins PT Fuel System is a completely new application of basic hydraulic principles to the diesel engine fuel system. The time for metering is determined by the interval that the metering orifice in the injector remains open. A gear-driven positive displacement low-pressure fuel pump naturally supplies fuel pressure. It uses injectors that meter and injects the fuel with this metering based on a pressure-time principle. 5-28) is exclusive to Cummins diesel engines PT stands for “Pressure – Time”. Cummins Pt Fuel Pump Calibration Manuals.Cummins Pt Fuel Pump Rebuilding And Calibration Instructions. ![]()
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