Pump vibration during operation according to the following methods: ã€cause of issue】 (1) Loose foundation bolts or imperfect installation; (2) pump and motor installation is not the same heart; (3) into the air or cavitation; (4) pump bearing damage or wear; (5) outlet pipe to retain air; Exclusion (1) tighten the bolt, improve the basic installation; (2) Correction of concentricity; (3) to find out the reasons for entering the air and take appropriate measures to eliminate the occurrence of cavitation will reduce the height of suction to reduce the head loss of suction pipe; (4) replacement or repair of bearings; (5) At the remaining air, install exhaust facilities; Pump operation in the motor overload process as follows: ã€cause of issue】 (1) speed is too high; (2) pump flow is too large; (3) foreign body into the pump; (4) motor or pump mechanical loss is too large; Exclusion (1) Check whether the motor matching; (2) off the small water gate; (3) removal of foreign matter removal pump; (4) Check? Counseling? Extraordinary block bell radon every invasion? 湎 湎 ??? Manganese ç› shrimp? ⑺? Captain ⑺? Mi å²¢ owed???? / Span>