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How to prevent the metering pump stroke positioning motor from burning?


⒈ Remove the 4 screws that fix the pump head. The screw location is on the back of the metering pump.
⒉ Check if the drain pipe is installed and the drain valve is closed? The drain valve needs to be opened during the priming phase of the metering pump. NOTE: Not all metering pumps have a drain valve.
⒊ Install the pump head after the diaphragm is installed and the leakage discharge hole of the back plate is placed in a vertical position. Make sure the suction valve aligns with the leak drain hole and the screw on the liquid end aligns with the corresponding 4 holes.