Waterway Executive 56 Spa Pump, 5 HP, 230V
Waterway Executive 56 Frame spa pump wet end
assembled to a 56 frame, 5hp, 2-speed 230V spa motor
This Spa pump has a 2-1/2 inch intake and a 2 inch discharge for plumbing
(but measures 3-1/2 inch and 3 inch- see bottom of this page)Manufacturer Part No. 3722021-13 Other Part No. PF-50-2N22C
Features:
 of an Executive 56 Wat - 25730271-yhj4sbpq3vfdkj1l02omouv2-1-2.png2.png)
SOURCE: I need to know how to remove the impellar to replace the seal.
That impeller may have been pressed on; good luck.
SOURCE: REASSEMBLED WET END OF WATERWAY PF401A22C-LEAKS- NEED DIAGRAM
I've never seen a reassembly diagram for this particular pump but I'm guessing that you've installed the mechanical seal incorrectly.
Where is it leaking from exactly?
Kind Regards,
Ian Kime.
http://hottub.synthasite.com
Thank you for posting your question here on Fixya.com.
There is a seal in there that a local pump repair shop can fix for about $30 - $50 with parts and labor. Waterway pumps use a 1000 seal that is not a seal the homeowner is usually successful at replacing themselves.
If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!
John
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.
SOURCE: How do I remove the wet end of the pump from the
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.
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