Self-priming pump operation precautions Shanghai and Shanghai all pump

Self-priming pump is a commonly used pump, but in operation, there are several aspects that require your attention: (1) before use, should check the direction of rotation of the Department is correct, (2) unscrew the top of the pump Add liquid plug, fill the reservoir, and then tighten the plug. After the boot does not need to add liquid storage. Should not start pumping pump running fluid in case of insufficient capacity, or the pump does not work, see easy to damage the mechanical seal. (3) Turn on the machine, you should open the outlet flow control valve, so that In the white process towel exhaust gas emissions. After start-up, adjust the flow control valve outlet opening, so that the pressure gauge readings point to the specified area (a variety of mining music control range table), to avoid the pump in the lower limit of the prescribed area of ​​?? downtown work, to prevent reading Shaft power is too large and cause motor overload burnout or due to excessive flow of the pump industry cavitation, affecting the normal operation of the pump, the pump strong vibration and noise. (4) During operation, check the temperature rise of the pump and the motor frequently. If noise and other abnormal sounds are found, it should be shut down and checked before troubleshooting. (5) Shutdown, you should close the outlet flow control valve, and then stop, so as to avoid the role of siphon caused by lack of liquid storage in the pump. (6) Regular refueling, maintenance, such as the long-term stop using the pump should be disassembled clean oil, properly preserved.