Water ring pump start and stop: 1, water ring vacuum pump start: Long-term parking pump before starting, you must hand rotation for several weeks to ensure that the pump is not stuck or other damage. Start in the following order: (1) close the intake pipe valve. (2) start the motor (motor steering must be correct). (3) Open the valve on the water supply line 6 and supply water to the pump until the requirements are met. (4) When the pump reaches the ultimate vacuum or maximum pressure, open the valve on the intake pipe, the pump began to work properly. (5) adjust the packing gland, dripping drops when the water is best. (6) Through the valve to adjust the water supply pump to ensure that the pump in the required technical conditions, so that the minimum power consumption, meet the performance indicators to meet job requirements. (7) adjust the amount of water supplied to the water separator in order to use the minimum amount of water to ensure that the pump required technical specifications. (8) When the pump is operating at its ultimate pressure, the pump may explode due to a physical effect, but the power consumption does not increase. The valve on the intake line can be opened to a small amount and the explosion disappears . If the explosion does not disappear, and the power consumption increases, it indicates that the pump has failed and should stop inspection. 2, water ring vacuum pump parking: Parking in the following order: (1) close the intake pipe valve. (When the compressor is used to close the exhaust valve) (2) Close the water supply valve to stop the water supply to the pump. (3) Turn off the motor. (4) Close the make-up water valve. (5) If the parking time exceeds one day, the water in the pump and separator must be drained to rust. Note: In winter, each long-term parking must be drained of working fluid to prevent cracking equipment.