Abstract
Usage of an upgraded device for assessing technical condition of plunger pairs makes it possible to increase assessment accuracy and reduce the number of erroneously rejected plunger pairs. The action of this device is based on introduction of automatic hydraulic pressure test time record into the evaluation process.
Highlights
A large number of agricultural machinery in the agro-industrial complex is equipped with diesel power plants, the efficient and regular operation of which depends on reliable operation of diesel fuel equipment
Uneven fuel flow to the engine cylinders leads to engine unstable operation; interruptions in operation of individual cylinders at a low crankshaft speed, significant vibration of the engine block; load increase on the crank mechanism and the cylinder-piston group; decrease of engine power and reliability; higher fuel consumption
The analysis showed that the accuracy of diesel fuel equipment adjustment has a significant effect on the output parameters of diesel engines and their performance
Summary
A large number of agricultural machinery in the agro-industrial complex is equipped with diesel power plants, the efficient and regular operation of which depends on reliable operation of diesel fuel equipment. Testing and adjustment of fuel equipment is the most important technological operation in repair and maintenance of diesel engines. In this view, the adjustment of fuel equipment during its technical maintenance and repair is of particular importance. One of the most important adjustment parameters is uniform fuel distribution in sections [1]. Uneven fuel flow to the engine cylinders leads to engine unstable operation; interruptions in operation of individual cylinders at a low crankshaft speed, significant vibration of the engine block; load increase on the crank mechanism and the cylinder-piston group; decrease of engine power and reliability; higher fuel consumption. The uniformity of fuel flow directly depends on hydraulic density of fuel pump plunger pairs
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