Reason for the pump can not absorb water Analysis: pump body air or gas into the tube, or the bottom valve is not strict filling irrigation water dissatisfaction, vacuum pump filling serious leaks, gate valve or lacquers closed lax. Solution: First water pressure, and then filled with water pump, and then boot. At the same time check the check valve is tight, piping, fittings leaks, such as found leakage, remove the joint at the joints coated with oil or paint, and tighten the screws. Check the pump shaft seal ring, such as serious wear and tear should be replaced with new pieces. Piping leaks or leaks. Nuts may not be tightened during installation. If the leakage is not serious, can be smeared in the place of leakage or leakage of cement, or coated with asphalt mixture of cement slurry. Temporary repair can be painted wet mud or soft soap. If the joint leaks, you can use a wrench to tighten the nut, if serious leakage must be re-disassembly, replacement of cracked pipe; reduce head, the pump nozzle into the water. TIPS: The above is a common cause of pump failure, not all of the reasons, the handling of failures in practice, due to the actual analysis, we should follow the principle of first outside the latter, should not blindly operate or contact professionals.