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Onga smh 750 impeller removal - Plumbing

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

dragonsthatk
  • 547 Answers

SOURCE: water leaking

some times you need two people one to hold the shaft the other to turn impeller on you need to put in a vice wraped in a towel and not to tight or break it off and replace it to

Posted on Feb 11, 2009

  • 409 Answers

SOURCE: How do you remove the impeller and mechanical seal

The impeller is screwed on to the shaft, you need to pull the cover off the end of the motor opposite the pump so you can hold the shaft to keep it from turning. The impeller should unscrew with just hand pressure, most are a standare SAE thread and turn counterclockwise to remove. Hope this helps.
Jimmy

Posted on Mar 13, 2010

  • 10865 Answers

SOURCE: How to remove the impeller

Hello Colin. The impeller is screwed onto the motor shaft. To remove it you will probably need an assistant. Hold the motor shaft at the fan end and unscrew the impeller. Remember the old saying that right is tight and left is loose. I recommend removing the fan cowl along with the fan. This will allow you to hold the shaft with a pair of vise grips. After you remove the impeller, inspect the shaft sleeve as that too may need to be replaced, along with the seal assembly. J.

Posted on Aug 25, 2010

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1 Answer

Can anyone give me a # that works for Utilitech? I need a Impeller and diffuser kit and Lowes where we bought it from isn't any help, the number I have for Utilitech is busy...Thanks!


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How to remove the impeller from a Masport Onga HJ200 pump to access and replace the seal between the pump and the motor.


The impeller is screwed on to the motor shaft; to remove it you need to hold the motor shaft at the fan end so that you can unscrew the impeller - normal right hand thread. Holding the shaft can sometimes be quite difficult so a good suggestion would be to remove the fan cowl along with the fan, this will enable you to secure the shaft with a small pipe wrench or similar. Once you have the impeller removed it will be possible to ascertain what steps need to be taken next - you may need a new shaft sleeve as well as a new mechanical seal assembly.
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I have an Onga smh45 which keeps tripping out and you have to push the reset button. I have had it in to two repairers and they say they can't find anything wrong with it. Any assistance would be...


This could be your problem. Make sure it isn't running dry.
D.R.O.P (Dry Running Over-Temperature Protection)
The Onga SMH series of pumps (excluding the SMH35) are fitted with the internationally patented D.R.O.P system which protects the hydraulic parts from possible damage that can be caused by overheating of the liquid inside
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1 Answer

How do you remove the impeller and mechanical seal off the pump shaft? I am wanting to change the main bearing that sits inside the motor housing of a Onga pool pump PPP750 model.


The impeller is screwed on to the shaft, you need to pull the cover off the end of the motor opposite the pump so you can hold the shaft to keep it from turning. The impeller should unscrew with just hand pressure, most are a standare SAE thread and turn counterclockwise to remove. Hope this helps.
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1 Answer

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Your Onga Pool pump was running dry causing the
impeller to melt down and stick to the pump case.
You have to remove the impeller, and the only way
to take it off by using the heat gun to melt the stucked plastic impeller. Or by forcing it off slowly, cutting the impeller using hacksaw, taking care of the mechanical seal and the motor shaft not to bend it. Afterwhich you can replace the impeller, and assemble the Onga pump/motor. Then, you can
install the Onga pump back to its location. Just
send you e-mail for further assistance. God bless
you.

Oct 20, 2009 | Plumbing

1 Answer

Onga jsp 130 leaks


It is leaking due to a defective mechanical seal. It needs to be replaced. To replace it, is to take the pumpcase
off by taking off the bolts that hold it. Then, take the impeller off to take the mechanical seal behind it. Put the replacement in, and reassemble the pump. Just get in touch with us by e-mail to get more assistance.

Sep 07, 2009 | Plumbing

1 Answer

Water leaking


some times you need two people one to hold the shaft the other to turn impeller on you need to put in a vice wraped in a towel and not to tight or break it off and replace it to

Jan 24, 2009 | Pool & Spa

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