1 hp switchless motor
SOURCE: Motor has died, how to disconnect from pump. 2
The thru-bolts hold it to the seal plate and the impeller is threaded onto the shaft.
SOURCE: Hayward Self-Priming Pump with AO Smith 1 HP 56J
the pump must not have any air leaks in the suction side of it,, or it will just **** air and not water,,, water is very heavy you see, however i think its the impeller in the pump thats the problem,,,you should try to put water in the out let of the pump so you fill the pump with water first if its dryed out it may just wear out the impeller before it starts to **** water up, if this still dont work turn off the stop **** and strip out the pump to look at the impeller any wear on it and it will need a new one fitted
i hope this has help you, good luck
SOURCE: My A O Smith 1 1/2 hp pool pump motor hums when it
the motor pictured has no start cap it has only a run capacitor and shold be a 25 or a 30 uf run capacitor around 10 - 20 $ and will work most of the time on this style motor.. hey now if'n i was of any help leve feedback by hit'n the thumbs .. thank you jay your pool pump repair guy in longwood FLORIDA .
SOURCE: Need to replace pump Impeller on A.O. Smith
To get to the Impeller you need to remove a series of bolts, or a large clamp, that holds the two halves of the pump together. Once you do that, if their is a diffuser (housing that goes over the impeller), remove it. To remove the impeller, you need to lock the motor shaft. You can do this a couple different ways depending on the motor. There will either be a small cap that grants access to the motor shaft on the back of the motor, or you remove a larger housing that grants access to the wiring and other components in the back of the motor. If it's the small cap, then you can hold the shaft with a wrench. If it's the larger housing, then you can slip a wrench (probably 7/16") under the thermal overload switch and onto the shaft to lock it in place. Now you can unscrew the impeller. Check to see if the impeller has a screw in the center. If so remove this first. It will be reverse thread. The impeller should spin off counter clockwise. If the impeller is very tight, be careful not to damage it. If you don't have an impeller wrench, I strap wrench, or very large locking pliers with a rag around the impeller works well. Hope this helps. If you need further assistance post a reply in the comments, and don't hesitate to leave a good thumb rating if you found this helpful. Thanks, and good Luck!
SOURCE: Hey Guys, I have a 1.5
Thank
you for posting your question here on Fixya.com. If
there is more damage than just those parts a new motor and seal should be under
$200 total; again from a shop. A whole new pump would exceed $300 for most
units, maybe more. If
this answer does not fix your problem, please comment with additional details
prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is
appreciated once your problem is solved!
Let's start
with closing properly - taping things off with garbage bags can cause more harm
than good. Trapping moisture under the bags will lead to condensation which is
mildly acidic. The lack of any airflow leads to corrosion and accelerated wear.
If you are going to cover anything you must make sure air can circulate thru
freely or you will actually need new equipment sooner than if you had not
covered it at all.
The noise
can be from your impeller but only if it is cavitation...are you getting air in
the pump basket or air bubbles from the returns in the pool? If not the noise
is the bearings. If the seal has leaked at all it can be what caused the noise.
If not it is the condensation mentioned above or age/contamination. Whatever
the cause it is only relevant in keeping this from happening again sooner that
it will naturally.
As long as
the damage is limited to the bearings a new set of bearings and a pump seal would
cost you $100-$125 in a repair shop...if you buy parts to do it yourself it
should be under $30. A word of caution - if you have never repaired this type
of equipment and are not familiar with bearing and seal changes the ~$80 labor
charge is worth it.
John
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