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2BV water ring vacuum pump in the use of the process, there may be some failures, this time, you should learn some basic troubleshooting methods that can be ruled out in time to enter the normal operation, the small inventory of 2BV water Ring explosion-proof vacuum pump common troubleshooting and troubleshooting. 2BV water ring vacuum pump 2BV water ring Explosion-proof vacuum pump failure and troubleshooting methods Symptoms Possible causes Solution Motor does not start; no sound Two power lines broken Check the connection motor does not start; there is a buzz a connection, the motor rotor locked Impeller failure Motor bearing failure Clean the pump if necessary, correct the impeller clearance Replace the impeller Replace the bearing When the motor starts, the current breaker trips Winding short circuit Motor overload Excessive exhaust pressure too much Working fluid Check the motor winding Reduce the working fluid flow Reduce the exhaust gas Pressure to reduce the working fluid consumption power is too high to produce a precipitate clean, remove the precipitation pump does not produce a vacuum no working fluid system leak serious rotation wrong check the working fluid repair leakage change two wires change the direction of rotation vacuum too low pump too small working fluid Flow rate is too low working fluid temperature is too high (slight erosion of the leak system seal leaks with a larger pump to increase the working fluid flow cooling fluid, increase the flow of replacement parts repair leakage check seal sharp noise generated cavitation working fluid flow is too high Coupling gas corrosion protection check the working fluid, reduce the flow pump leak seal bad inspection Check all sealing surfaces Further Reading: pump Valve pipe fittings Exhibition Water Expo Xiamen exhibition of marine equipment Internet + Forum Yiwu Fair 2016 exhibition mold top ten brands of the Internet information industry (Xiamen) Technology Co., Ltd. Author: Asian pumps Network Editor : Yao Xiaoxia (QQ / WeChat:) http://beng.liuti.cn/ (Service Hotline:)