I have a flotec pump model # FP4012-01 I emptied water from tank to fix leak on the pump after I fixed the leak I turned the pump back on and the pump is working fine but is not pumping any water to the house is this air in the water lines? and how do I fix this problem?

Plumbing - Flotec - Corrosion Resistant Shallow Well Jet Pump 1/2HP, 8GPM