Question about AO Smith Centurion 1081 2 Hp Standard Keyed Shaft Motor

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How to remove impeller from a.o. smith B124 (2 hp motor) Keyed shaft

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  • AO Smith Master
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Less hassle to replace whole pump

Posted on Nov 23, 2017

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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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  • 198 Answers

SOURCE: 1 HP electric motor hums but not turning.

check for a re-set button somewhere on the motor housing.

Posted on May 04, 2010

adamh294
  • 310 Answers

SOURCE: Leaky 4 HP hot tub pump seal AO SMITH motor, pump

If you have removed the impeller this is what you need.
Part number for your shaft seal is : 37400-0028s
Here is a link to the manual on how to install / remove this seal on this pump:
http://www.hottubs.com/content/pdf/Sta-Rite_Dura-Jet_S377(9-12-03).pdf
Refer to page 9.
This seal can be purchased anywhere on the internet. Just do a google search with only the part number. Many suppliers will come up. If you have trouble, I have a few and can make an E-bay sale for one.

Posted on Nov 15, 2010

Testimonial: "Thanks, and especially for the link to the manual. This is exactly what I needed. Mark"

  • 106 Answers

SOURCE: Hi, I have a QC 1072

The impeller is just screwed on the shaft. COUNTERCLOCKWISE to remove. Some have a screw in the center attaching it to shaft. This is removed by by turning CLOCKWISE.(reverse threads) Remove back cover and secure shaft with a wrench. There are flats on the shaft to hold it. You might need a large pipe wrench to loosen impeller. Wrap with rag so you don't damage impeller.

Posted on May 18, 2011

MOTORWIZJ
  • 1368 Answers

SOURCE: Pool Pump Motor (AO Smith 2HP 56Y CX) won't turn over when switched on. Makes slight humming sound. Removed the motor from pump housing. When I spin the impeller when powered on, the motor starts up

3 THINGS QUICK.. RUN CAPACITOR THIS IS LOCATED ON TOP OF MOTOR HAVE IT CHECKED. OR START SWITCH DIRTY OR STAR CAPACITOR BAD.. SEARCH YOUR AREA FOR YOUR LOCAL POOL PUMP MOTOR REPAIR GUY WITH FREE TESTING.. WARNING THESE CAPACITORS HOLD HIGH VOLTAGE AND WILL NEED TO BE SHORTED ! USE A DRY RAG AND COVER CAPACITOR THEN SHORT WITH SCREWDRIVER

Posted on Dec 28, 2011

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1 Answer

How to start a frozen water pump?


if the pump is frozen, put a cardboard box over the unit and use a hair dryer to thaw it out. there may be damage to the interior parts depending on the extent of the freeze.
if you meant that the motor is seized, disconnect the power supply, open the unit and inspect the impeller. there may be a foreign object caught in the impeller. try to spin the impeller. there should be no resistance. if the impeller turns, then the motor is not seized.

May 12, 2014 | AO Smith Centurion 1081 2 Hp Standard...

1 Answer

How to remove impeller


i think they screw on and the screw only locks it in place

Mar 22, 2012 | AO Smith SQ1152 Pool Pump Motor

1 Answer

I am trying to remove a Centurion B849 from the impeller. I removed the 4 bolts. I come to find out that the shaft is threaded; so in order to rotate the motor, how do I remove the electrical wires on the...


I'm not sure I understand your question.
To get the impellar off of the shaft, leave the motor bolts on.
Open the back end of the motor, there should be a slot in the motor shaft. Use a screwdriver to hold the shaft from rotating and grab the impellar and rotate it counterclockwise to unscrew it.
It sounds easy, but the impellar is probably somewhat corroded on.
Gary

Jun 26, 2011 | AO Smith A O Smith Motors Centurion 1.5hp...

1 Answer

Hi, I have a QC 1072 A.O. Smith pool pump motor. How to get the impeller off? Which direction does the impeller spin off? Where to but impeller and seal? Thank you very much Greg


The impeller is just screwed on the shaft. COUNTERCLOCKWISE to remove. Some have a screw in the center attaching it to shaft. This is removed by by turning CLOCKWISE.(reverse threads) Remove back cover and secure shaft with a wrench. There are flats on the shaft to hold it. You might need a large pipe wrench to loosen impeller. Wrap with rag so you don't damage impeller.

May 18, 2011 | AO Smith A O Smith Motors A O Smith 3/4hp...

1 Answer

Leaky 4 HP hot tub pump seal AO SMITH motor, pump


If you have removed the impeller this is what you need.
Part number for your shaft seal is : 37400-0028s
Here is a link to the manual on how to install / remove this seal on this pump:
http://www.hottubs.com/content/pdf/Sta-Rite_Dura-Jet_S377(9-12-03).pdf
Refer to page 9.
This seal can be purchased anywhere on the internet. Just do a google search with only the part number. Many suppliers will come up. If you have trouble, I have a few and can make an E-bay sale for one.

Nov 15, 2010 | AO Smith A O Smith Motors Century 1hp 115v...

1 Answer

I have a ao smith sp 1520 2 hp pool pump. the impeller broke off the shaft. how do i change the broken impeller please


Remove the back of the motor ... you will find there are flats on the shaft. Put your 7/16 or 1/2 open end wrench there and with your other hand, spin off the broken impeller.

Aug 22, 2010 | AO Smith 2 hp Swimming Pool - Jet / Well...

1 Answer

1 HP electric motor hums but not turning.


check for a re-set button somewhere on the motor housing.

May 02, 2010 | AO Smith Pool Pump Motor Hayward Swimming...

1 Answer

REMOVE IMPELLER FROM SHAFT A O SMITH PUMP MOTOR HIFLO


The impeller is threaded onto the motor shaft, take the back cover off and use a wrench to hold the motor shaft, then turn the impeller counter clockwise to remove.

Mar 15, 2010 | Plumbing

2 Answers

Need to know how to remove the impeller.


remove back cover of mtr. hold shaft with large screw drver. remember some modles have rev. threads

Dec 08, 2009 | Jacuzzi Impeller, L - 3/4 H.P

1 Answer

We are having issues getting the impeller apart on the jacuzzi magnum force pool pump and need some instructions on how to proceed.


I believe the jacuzzi pump impeller has a locking screw directly in the middle of the impeller. You'll have to turn it clockwise to remove it. Then you'll need to remove the cover from the back of the motor using a 1/4" nut driver. Depending on the motor, you should be able to use a 7/16" open end wrench to hold the motor shaft from turning as you turn the impeller counter-clockwise to remove it. Some motors are different, some have a keyed shaft or require a special tool to hold the shaft while the impeller is removed. Hope this helps.

Nov 22, 2009 | Jacuzzi MAGNUM FORCE POOL PUMP - TWO SPEED...

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