<b>PG pump instructions: High performance energy-efficient pumps designed for use in Ponds, Fountains, Waterfalls, Hydroponic systems, Irrigation systems and water features.</b> <br>For use in either wet or dry installations and features wet rotor/wet bearing technology for cooler running. Pre-filter screen handles large particles for less maintenance. Multiple size insert fitting and suction cups included. Designed for fresh water use only. <br><br><b>Pump Maintenance:</b> <br>This pump design features a water lubricated ceramic bearing and shaft for long lasting service. However, the rotor assembly is susceptible to failure if sand or extra fine grit is being pumped. <br><br>-CAUTION: Always disconnect the pump when performing any maintenance or handling. <br>-Check the circuit breaker and try another(GFCI) outlet to ensure the pump is getting electrical power. <br>-Check the pump discharge, impeller and tubing for obstructions. <br>-Check the inlet screen to ensure it is not clogged. <br>-After removing the volute, rotate the impeller by hand to insure that it can spin freely.