Splash pak aboveground pool filter

Emerson is the motor manufacturer. 1081 is the swimming pool duty motor designation. In other words all pool pump motor manufacturers have a 1081 motor. The mechanical shaft seal is going to be a part of the actual Pool pump itself. The seal is between the seal plate and the impeller. If motor is extremely noisy, then the leak allowed water to get into bearings and cause damage. If the motor is really noisy, or the shaft doesnt spin freely, then you may have damaged motor bearings. The pump manufacturer can usually be identified by markings on parts of pump ( in front of motor ).

I suspect corrosion in the bearings, which means probably in the motor as well. If it runs nonetheless I'd just keep using it until it stops as once it gets to that stage it isn't economical to repair.
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Disassemble the pump to the point where you can see the whole impeller. Then turn the power back on to verify that it is the bearings, and not trapped debris causing the noise. If it is the bearings the short answer is to replace the motor.

Bearing failure is usually related to a leak at the pump seal. This results from either a faulty seal installation, or the pump running excessively hot (from running w/o water).

When replacing the motor carefully examine the seal plate (where the seal is set) front and back for any cracks or deformity. If the new seal doesn't set exactly, it will leak.

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Your motor bearings are failing. It is most often caused by a leaking pump seal. It is a relatively inexpensive repair if it is caught early enough; before the shaft is damaged from the corrosive water eating into the steel. Take it to a local electric motor repair shop for inspection. It will likely need a set of 203 bearings for the motor and a mechanical seal for the pump. All told, depending on the labor rates, it should be less than $75. You could try to repair this yourself however if you are not familiar with the process it is money well spent having someone who is do the repair for you.

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

You can have the bearings replaced for about $100. It is something that you will have done by a professional. Consult with a local pool store and they should be able to direct you to someone that does that.

Thank you for posting your question here on Fixya.com.

Your motor bearings are failing. It is most often caused by a leaking pump seal. It is a relatively inexpensive repair if it is caught early enough; before the shaft is damaged from the corrosive water eating into the steel. Take it to a local electric motor repair shop for inspection. It will likely need a set of 203 bearings for the motor and a mechanical seal for the pump. All told, depending on the labor rates, it should be less than $75. You could try to repair this yourself however if you are not familiar with the process it is money well spent having someone who is do the repair for you.

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

could be its has air getting in when its pumping or the motor bearings are worn out or just dryed out it could even be a partly blocked inlet filter causing this pump to whine,
try looking for inlet pipe air leaks and blocked filters
or some thing resting on the pump impeller

make shure the pump is sucking not blowing.