Generally, the replacement of diaphragm dosing pump is recommended to be replaced by a professional. The following four points need to be taken into account when replacing:
First: Before removing the pump of the dosing pump, the electromagnetic shaft needs to have enough pressure to ensure the stability of the link.
Second: Remove chemicals from the hydraulic end of the dosing pump
Third: Prevent leakage of the gas at the suction side of the dosing pump.
Fourth: adjust the length of the stroke to 0% position, need to seize the liquid counter-clockwise rotation, remove the diaphragm dosing pump.