Question about Hayward 1hp Power Flo Matrix Above Ground Pool Pump # Sp1592

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Hayward Pump Motor low pressure...

I have a Hayward SP1580Z2 pump. I needed to change the impeller seal and in doing so took off the thing behind the impeller shaft that looks like points. Now after I reassembled, pump trips breaker on my 20AMP line. If I plug it into a 30AMP line, it will run but has very low pressure. I'm certain I should adjust "point gap" but can't find any posts on what the gap should be. Can anyone help me?

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The "points" you are talking about sound like the contacts. These are closed for starting and open when the shaft turns at a set rate to change to "run" mode. They are not adjustable. Underneath the contacts is a small part with 2 springs that moved when the motor starts turning. This whole assembly is a centrifugal switch. I would take the assembly apart and re-install it. Make sure the "bracket" is seated correctly on the shaft. The motor shaft end is grooved so the "bracket fits tight. When installing the contact assembly, make sure the contacts rest DIRECLTY centered over the tab in the middle of the "bracket". Its a bit of a job, but if you are mecanically inclined, should be no problem.... Good luck...

Posted on Jul 19, 2010

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1 Answer

How do I fix the seal?


please follow this steps . God bless you
  1. Turn off the pump motor and close the input and output valves.
  2. Loosen the fasteners that secure the tube connecting the pump and motor.
  3. Move the motor away from the pump housing.
  4. Remove fasteners holding the diffuser to the backplate.
  5. Inspect the diffuser and O-ring for wear, replacing as needed.
  6. As needed, remove fasteners attaching the impeller to the shaft. Alternately, the impeller may be screwed on to the end of the shaft.
  7. Remove the impeller and seal from the shaft.
  8. Inspect and replace the impeller and seal.
  9. Reassemble the pump.
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1 Answer

How do I take it apart


follow this steps and fix it. God bless you
  1. Turn off the pump motor and close the input and output valves.
  2. Loosen the fasteners that secure the tube connecting the pump and motor.
  3. Move the motor away from the pump housing.
  4. Remove fasteners holding the diffuser to the backplate.
  5. Inspect the diffuser and O-ring for wear, replacing as needed.
  6. As needed, remove fasteners attaching the impeller to the shaft. Alternately, the impeller may be screwed on to the end of the shaft.
  7. Remove the impeller and seal from the shaft.
  8. Inspect and replace the impeller and seal.
  9. Reassemble the pump.
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Reverse direction of electric motor


If your motor runs backwards, you wired the motor backwards. Change your wires around and it will run the correct way.

Rod
US Parts Center
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1 Answer

My pump is leaking .What causes that and how do I fix it


Thank youfor posting your question here on Fixya.com. The leak is likely caused by a defective pump seal. If you look at the parts breakdown at http://www.star-pool.com/assets/Hayward-Pool/Hayward-Manuals/Hayward-SP2610X15-Super-Pump-Parts-Diagram.pdf you can see the seal and the other parts that must be separated in order to replace the seal.

THE HARD WAY! Once you are sure the seal is defective you need to buy a new one along with a diffuser gasket, a pump housing gasket and some pump gasket grease.

The 4 housing cap screws and the impeller must be removed in order to remove the 4 motor cap screws. The hardest part of this process is removing the impeller. The cover on the other end of the motor should be removed and the motor shaft held with a wrench. The impeller must then be removed by turning it with a large pump pliers or by inserting a screw driver into one of the holes on the outer edge of the impeller in order to turn it counterclockwise with the shaft held with the wrench. If this damages the impeller it should be replaced.

Now remove the 4 motor cap screws and everything is apart except the seal. Half of the seal can be removed from the motor shaft and the other half from the seal plate. Placing a socket on the back side of the seal that is on the seal plate allows the seal to be removed by tapping it with a heavier tool (hammer or pump pliers). Clean this area, apply a little silicon adhesive to the area and insert the new seal half into the seal plate using the instructions that are included with the seal.

Use pump gasket grease on the pump impeller gasket and reassemble the completely reassemble the pump.
THE EASY WAY!
Remove the piping from the motor and the electrical conduit and wires from the end of the motor. Bring the pump to Leslies pool supplies (I don't work there or own any of their stock) . If they are not very busy then they will do the above and only charge you for the parts while you wait.

I have replaced so many seals I almost always do it myself at the pool site but it is not easy for the first timer.

Ifthis answer does not resolve your issue, please comment with additional informationbefore rating the answer. Positive feedback is especially appreciated once yourproblem is solved! Thank you.

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1 Answer

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You forgot to replace the most important part...The" shaft seal".It is behind the impeller. Be sure to remove all the pieces of the old seal off the impeller ,(they always come off in pieces) and put silicone on the rubber part that sets in the pump housing. Make sure you keep the white porcelain surface perfectly clean, and you will also need to replace the ribbon gasket again.

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CHANGE OUT THE IMPELLER . HAVE THE HP AND TYPE OF PUMP YOU HAVE ,SAY A SUPER 2 OR A SUPER OR NORTHSTAR. OR BRING YOUR IMPELLER )SCREWS OFF( TO YOUR LOCAL POOL PUMP REPAIR GUY..SAY..The water pressure on my Hayward pump on the return is too powerful? I NEED A SMALLER IMPELLER THEN THIS ONE

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1 Answer

My Hayward just hums when I turn it on and after a few seconds the breaker pops.


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1 Answer

How do you change a pump seal on a hayward 1hp pool pump


The seal is located behind the impeller. Once you remove the impeller it is fairly obvious how to replace it. Basically, unscrew everything, replace it and put it back together again. There is a decent diagram on page 11 of the Hayward owners manual found here if you need it. http://www.haywardnet.com/products/Manuals/pdfs/Manual113.pdf

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