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You are here: How to use centrifugal pumps

How to use centrifugal pumps

  • 1.Turn off the centrifugal pump. Shut off the breaker supplying power to the pump. Cut the plumbing connected to the centrifugal pump with a PVC saw. Set the centrifugal pump down at a spacious work area.

  • 2.Unscrew the pump bolts around the pump housing with the wrench. Disconnect the centrifugal pump's motor from the wet end.
  • 3.Place the wrench over the motor shaft and hold it still. Rotate the centrifugal pump's impeller counterclockwise off the shaft. Take the piece of the seal out of the back of the impeller. Slide the remaining seal piece off the shaft.
  • 4.Place a new mechanical seal onto the shaft. Slide the mechanical seal along the shaft but be careful not to touch the front face of the seal with your fingers. If body oils get on the face of the seal, the seal becomes compromised and may not function properly.
  • 5.Hold still the shaft with the wrench and screw the impeller onto the centrifugal pump's motor shaft. Line up the bolt holes on the motor and wet ends of the pump, insert the bolts, and secure the pump ends together with a wrench.
  • 6.Place the centrifugal pump system back into place in the plumbing. Secure the centrifugal pump to the plumbing with PVC glue and primer. Allow the glue and primer to dry for at least one day before running the pump.
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    2012-08-14

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