A magnetically controlled proportional valve (MPROP) controls the high pressure pump to ensure that the correct fuel pressure (rail pressure) is retained despite varying engine speed and loading.
EMS 2 is an electronic system with CAN communication (Controller Area Network) for diesel engine control. The system has been developed by Volvo and includes fuel control and diagnostic function. The system consists of a control unit, six unit injectors, a number of sensors that supply the control unit with measurements, sockets for diagnosis and functional checks. The engine can be connected to a communications interface consisting of a CAN link and a serial link.
This Service Manual contains technical data, descriptions and maintenance and repair instructions for standard model Volvo Penta products. A list of these products may be found in the section Specifications. The product designation and the serial number and specification is indicated on the engine decal or type plate.
Y&C Engine Co., Ltd. is a large-sized enterprise specializing in the research production and manufacture of the modern and heavy duty engines of energy conservation and environment protection, and is also the production base of the high end brand products of Yuchai Machinery.
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