In use, due to the looseness of the coupling bolts, the wear of the camshaft and the roller body components often leads to changes in the fuel supply advance angle and the oil supply interval angle of each cylinder, which causes the diesel combustion to deteriorate, and the diesel engine is dynamic and economical. Sexual deterioration, difficulty in starting, unstable operation, abnormal noise and overheating. In actual use, most drivers pay attention to the inspection and adjustment of the overall fuel supply advance angle, but ignore the inspection and adjustment of the fuel supply interval angle (involving the single pump fuel supply advance angle adjustment), resulting in the first cylinder oil supply after the overall adjustment. At the same time, the remaining cylinders are not necessarily timely due to the wear of the camshaft and the roller transmission components, etc., which also causes difficulty in starting the diesel engine, insufficient power, and unstable operation, especially for the fuel pump that is used for a long time. It is said that it is necessary to pay more attention to the inspection and adjustment of the oil supply interval angle.
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