汽车喷油器清洗器0 445 120 289

调试时存在的供油不均匀

　　喷油泵在试验台调试时，要求各缸在额定转速下的供油量不均匀度应＜3%。实际调试过程中，由于试验台的喷油器和高压油管长度、形状、口径等不可能与原机完全一致，再加上调试技术的差异，喷油泵装机后，实际喷入缸内的油量不均匀度往往＞3%。

　　3.机件故障引起的供油不均匀

　　机车经长期使用，TMH GK由于喷油泵驱动联轴节松旷或间隙过大，驱动齿轮磨损、侧隙增大，也会影响各缸供油均匀度。

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