Kind Tips： The strainer basket built into the in/above ground pool pump tank should be inspected and cleaned at regular intervals.The water being pumped cools and lubricates the seal.running the swimming pool pump dry will damage the seal. Always keep liquid in the pump tank. No further lubrication of the pump end is necessary.After the pump tank has been filled with water, and the started,allow a few moments for the swimming pool pump to start delivering water. Be sure that suctions and discharge valves are open when pump is running.Operating the in/above ground pool pump with a closed valve in the system can cause pool pump damage. If flow dose not start within ten minutes,stop the motor and determine cause. Attentions: When not use, please place the swimming pool pump in a well-ventilated dry area. The swimming pool pump are only suitable for counter-clockwise rotation when viewing from the swimming pool pump end. Before disconnecting electric connections, shut off electricity at its source.