Question about AO Smith Three Phase Swimming Pool Pump Motor Ao Smith

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Diagram of house water pump motor - AO Smith Three Phase Swimming Pool Pump Motor Ao Smith

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  • John Prohaska
    John Prohaska Jul 13, 2010

    What brand and model number are on the motor?



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Cracked water pump

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What do I do if my pool/spa pump is loosing suction or prime?

Answer: by Osko Pool n Spa Pool Pump Losing Suction or Prime If your Swimming Pools Filter system looses Prime, it is caused by one of the following conditions.
Note: The lost of suction/prime is caused a leak which in turn sucks air into the system. The lost of suction/prime will be anywhere from the Main Pool Skimmer(s) to the Pool Pump. It will NOT be from the Pool Pump to the Pools Main Return(s).
1) First make sure that your water level is high enough so that the skimmer is not sucking air.
2) Check the Pump Pot Housing Lid Seal and be certain that its completely sealing and is not
Sucking air into the system. Check the lid for cracks. If either condition is true, replace the Pump Pot Lid Seal and/or entire lid
3) Check all fittings, clamps and hoses from the pools skimmer to the Pools Pump Pot Housing for wear, tightness and leaks.
4) Check Pool Pump Pot Housing for cracks.
If everything aforementioned in good working order, the next thing to check is the Pump Pot Housing Main Seal and the Pumps Impeller and finally the pump.

5) While the Pool Pump Motor is running, carefully inspect the area where the Pump Pot Housing attaches to the Pump Motor. See if there is any water leaking. Next, spray the area with water and see if the water is sucked into the Housing. If so, your Main Seal is damaged.
6) Disassemble the front half of the Pump Pot Housing from the back half and inspect the Pump Motor Impeller. (This is a high suspect part). See if there is any sign of wear or breakage. (This happens over time from debris in the water passing over the impeller). If so, your Impeller is damaged.
7) Re-inspect the Pump Pot Housing Main Seal by standing the partially disassembled upright, with the Pump Motor towards the ground. Pour water over the impeller and into the cavity. See if the water leaks thru to the outside of the Pump Pot Housing. If so, your Main Seal is damaged.
8) Remove the cover from the rear of the Pump Motor. Using a large standard blade, (straight), screwdriver or wrench... turn the main motor shaft. Listen for grinding and/or rumbling and feel for any restrictions while turning. If you hear or feel either, your bearings and/or brushes are damaged.
If everything seems to be in good working order, then you need a new pump... not just replacement parts
For more FREE DIY Faqs, go to:

For more FREE DIY Faqs, go to:

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possible leak from pump motor and pump housing its losing prime in basket less hassle to replace whole pump if leaking its ruining bearings in motor

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I just installed a us pool pump motor eb841 1hp 3450rpm 208volt 56y and it is leaking water behind the square bell housing actually leaking bottom side of motor

There is a leaky water seal on the pump shaft housing between the pump and the motor.
The drain hole prevents water from going into the motor and this seal needs to be replaced before the motor is damaged.

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I have a stackable unit model numberltf2140fs2 it will not drain and go into spin cycle is there a strainer that needs cleaning how do iget to it

This is almost certainly a simple problem with your empty pump filter being clogged. The empty cycle is timed and if it can't get all the water out in time because the filter is blocked and slowing the empty down, then it will fail safe and won't step on to the final spin cycle with excess water in the drum. While it's trying to get the water evacuated, you will probably see the machine doing a slow tumble for up to 8 minutes and you may also hear the empty pump running too.
You need to locate and clean the filter. Unfortunately, on this model, it's in a horrible place!

Rather than try to describe it, if you go to the Sears Parts direct site and look at the diagram for the motor and tub at this web address:

You will see a diagram of the drum and associated parts. You can zoom in on the diagram. In the bottom right section of the diagram, you will see part number 41, the filter housing ad part number 40, the filter its self. You will need to:
Remove the clip (No. 48) that holds the housing to the empty pump
Remove the clip (also No.48) that holds the air chamber to the housing
Remove the clip (No. 42) that holds the housing to the drum

You should now be able to remove the filter housing and filter. Strip and clean it before reassembly.

If the above doesn't get you where you need to be, please come back to me with a comment and I will provide further assistance

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I have a Jacuzzi Jet Pump Model 7C-S/B. Not Working

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