other
Reason 0ne, engine vibration to the pump, make the pump vibration. A, check method, the conditions, measures such as: 1, the vibration of the prime mover is greater than pump vibration; 2, the prime motor bearing temperature is very high. B, measures: regular inspection, maintenance prime mover.
Reason two, sliding parts of the pump bearing with local contact (how many there is a little bent axis). A, check method, the conditions, measures such as: 1, the plate of the car with the hand, feel more and more heavy; 2, small pump ammeter pointer exception. B, measures: check the bearing internal, eliminate local contact point.
Reasons Three, the clearance between the impeller sliding part and lining ring is not uniform. A, check method, the conditions, measures such as: sliding has two to the above, easy to produce. B, measures: 1, make the sliding part of the gap uniformity; 2, make the sliding part is single structure. |