1988年7月,我场一台1075型联合收割机6359T型发动机水泵叶轮轴和轴承座严重磨损,引起水泵叶轮扫水泵壳的故障。送修理厂修理时,发现该发动机水泵轴与其轴承内环为一体的,两轴承外环也为一体的,即由水泵轴,水泵轴承及垫片等构成一个水泵轴总成,其详细结构见图1所示。 July 1988, I field a 1075 Harvester 6359T engine pump impeller shaft and bearing seat serious wear and tear, causing the pump impeller to sweep the pump shell failure. Send repair shop repair and found that the engine pump shaft and its bearing inner ring as a whole, the two bearing outer ring is also one, that is, by the pump shaft, pump bearings and gaskets constitute a pump shaft assembly, the detailed structure, see Figure 1 shows.