有关１９５型些油机使用中的几个问题１．机油泵经清洗后不易泵油怎么办？答：转子式机油泵之所以能将油吸入和压出，靠的是由内外转子形成的四个互不相通的密封腔，其容积随转动而不断变化，当油腔容积由小变大，产生真空吸力，机油就从吸油口吸入，当容积由大变小时，压... Some problems concerning the use of some type 195 engines Oil pump is not easy to pump oil after cleaning how to do? A: The reason why the rotor type oil pump can suck in and out the oil depends on the four non-communicating sealed chambers formed by the inner and outer rotors, the volume of which changes constantly with the rotation. When the volume of the oil chamber changes from small to large, Produce a vacuum suction, oil suction from the suction port, when the volume from large to small, pressure ...