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

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How do you take this pump apart so you can replace a bearing? Model# PF-40-2N22C

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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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The picture is showing the pump and the motor. They should seperate with a coupler of some sort. If you find rust or not allways soak any screws or bolts or nuts with something like "blaster" or wd 40 overnight. "Be carefull not to get any into the motor". Once you have them seperate. Find out if it's pump or motor with a bearing problem and which end. You can hear where its comeing from a lot ease by taking a screwdriver and place the big end in your ear and the small end draging on the shaft or touching something close to it and then spin the shaft. This magnify the noise a bunch. Thats about all the info i can help with for now untill you get that far. But once you do. You will figure it out. jerry

Posted on Mar 25, 2013

  • jerry carmichael Mar 25, 2013

    Hey fixya, why send me an email about a question over 2 years old? What are yall a bunch of *****'s ?

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