Question about Waterway Spa Pump Executive 56 Frame 4hp Dual Speed 2" Intake 2" Discharge

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Disassembly instructions for impeller to replace bearings for pump Model # PF-40-2N22C

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Ian  Hot Tub
  • 77 Answers

SOURCE: I have a Waterly Executive Pump PF-40-2N22C\r\nI

Waterway did change the wet ends slightly (the difference is only minute and you wouldn't realise without meausring) and if yours is the older version you may need to change the entire wet end.

I'd advise you to take the pump to someone who can advise you and perhaps consider changing the entire wet end so that you have a new mechanical seal too.

If you're in the UK I can possibly help but I suspect that you're in the US...
http://hottub.synthasite.com

Regards,
Ian.

Posted on Jun 18, 2010

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SOURCE: How do you take this pump apart so you can replace

I just did this.
Take the screws off the outer cover fo the wet end. That will expose the impeller.
At the other end of the pump is a small metal cap in the middle. Pry that off with a screwdriver. That reveals the shaft of the motor which has a slot in it. This allows you to hold the shaft still with a large screwdriver.
While someone holds the shaft with a big screwdriver, you rotate the impeller counter clockwise to unscrew it off the motor shaft.
In my case the impeller was so caked onto the shaft with rust that we could not loosen it. We broke the impeller and still could not unscrew it. The screwdriver keeps jumping out of the slot in the shaft.
So the next step was to take the shaft out of the motor. On the far end of the motor are 4 small looking bolt heads. Undo those. They go right through the motor into the 4 legs of the wet end.
Stand the motor up with the wet end up. Pull hard to pull the wet end motor cover off the motor and you will then have the wet end and armature of the motor in your hands. Heavy.
Place some wood into a large vice and then grip the big silver part of the armature in the vice. Then unscrew the impeller.
I got this far tonight and the bearing at the wet end is hard to turn and is the reason for the failure of the pump. I am not sure of the bearing can be pulled off without special equipment.


Posted on Jan 27, 2011

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Help me find my model number


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Enter your model number to see parts for your dishwasher.
Help me find my model number


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If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the circulation pump sound, it's likely that the circulation pump motor bearings have failed. Once this happens the circulation pump will have to be replaced, the bearings are not repairable.


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Help me find my model number


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If the dishwasher is loud during operation, the drain impeller might be broken, or there might be debris in the pump. Generally, to gain access to the pump the top of the pump housing will have to be removed.


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Help me find my model number


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Enter your model number to see parts for your dishwasher.
Help me find my model number


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Help me find my model number


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God bless you255fe28d-9cc9-4874-b381-9c9de59f3f75.jpgc98d91d6-ba21-42ff-b684-98f0b3e856c0.gif

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