In case of oil leakage, pay attention to observe whether the sealing gasket of each connection part is complete, and replace the damaged sealing gasket in time.
The causes of excessive oil consumption may be as follows: serious wear of diesel engine compression system of diesel generator set, incorrect assembly of piston, damage of sealing gasket at various joints of engine block and damage of side wall of oil shell.
When it is found that the generator oil consumption is too much, we should first check whether there is oil leakage at the connection between the engine body and the gear chamber cover, the large plate, the rear cover and the cover cover on one side of the traveling wheel. In case of oil leakage, pay attention to observe whether the sealing gasket of each connection part is complete, and replace the damaged sealing gasket in time. If the gasket is complete, check whether the connecting screws of each part are loose. Use a wrench to tighten the loose bolts to the specified torque. If the above parts are basically normal, and the oil leakage is in the frame position, the oil shell shall be inspected. The main inspection part is at the front end of the oil shell side on the same side with the traveling wheel. Due to the looseness of the frame screw, the traveling wheel will collide with the angle iron of the frame to protect the oil shell under the pulling of the triangular belt, which will wear the oil shell thoroughly and form a gap, resulting in oil leakage.
The normal wear caused by long-term use of the engine or abnormal wear caused by improper maintenance will make the cylinder liner of the diesel engine form longitudinal tensile marks, and the cylinder diameter and piston side clearance exceed the specified values, which will reduce the supporting force of the piston ring and cause the phenomenon of dirty oil scraping. Or because the inner support torsion spring in the oil ring is disconnected at the opening position of the oil ring, the scraping oil is not clean and participates in combustion, resulting in serious oil consumption symptoms, such as difficult starting of diesel engine, obvious blue smoke from exhaust pipe, and serious oil injection of respirator. Moreover, when the piston is supposed to be upward, the combustion chamber will be inverted due to the inversion of the direction during assembly. Although it will not affect the starting of the diesel engine, the oil consumption will be very serious. The fuel consumption is about 0.5 kg per day.
Although it is rare that the valve guide tube is seriously worn and the engine oil of diesel generator set will be burned, according to the introduction of relevant information, it is also a reason that can not be ignored.
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