melt pump extrusion installation

　　melt pump extrusion installation

　　① pump should be installed horizontally, not upright, vertical mounting for the special requirements of the occasion, the motor must be upward.

　　② start before the suction pipe valve can be opened, if suction liquid level below the shaft center line, pipeline to be equipped with a foot valve.

　　③ pumps should be carried out before checking motor fan rotation should be flexible, not stuck no abnormal sound, each fastener to be tightened.

　　④ Check the motor rotation direction is consistent with markers and magnetic steering pump.