Question about AO Smith Centurion 1081 1.5 Hp Standard Threaded Shaft Motor

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Polaris booster pump shaft replacement - AO Smith Centurion 1081 1.5 Hp Standard Threaded Shaft Motor

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Shaft seal?
if so, PS 1000

Posted on May 11, 2015


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Polaris pb460, replaced the impeller and seal. motor binds when the impeller is threaded all the way.

This means that one of the 2 pieces of the shaft seal are not seated all the way. More likely the part on the seal plate. Make sure you use a non petroleum based lube to seat the shaft seal.

Dec 28, 2010 | Polaris Pb460 Polaris Booster Pump...

1 Answer

How do I take a booster pump apart to replace the motor?

Pull the back cap off the motor and hold the shaft as you spin off the impeller. The rest is straight forward enough.

Sep 08, 2009 | Polaris Pb460 Polaris Booster Pump...

1 Answer

Booster pump cracked

Lock the end of the shaft opposite the pump and then turn of the impeller counter clockwise looking at the pump. The remainder is simple nuts and bolts.

Aug 29, 2009 | Polaris Pb4 - 60 Booster Pump

1 Answer

I installed a booster pump. Attached a one ince

1. debris in the water management system (hoses inside the cleaner)
2. black gears in cleaner need replacing (360/380)
3. belt kit (polaris 360/380) or drive shaft need replacing (180/280)
4. teeth on inside of wheels are worn out (polaris 180/280 only)

Jul 16, 2009 | Polaris 380 In Ground Pool Cleaner

1 Answer

I have a Polaris PB4-60 Booster Pump with a leaking seal. I have removed the Volute and removed the 4 bolts that hold the bracket to the motor. How do I remove the impeller? At the store they told me it...

You need to lock the other end of the motor shaft and then spin off the impeller. If you would like a quote on the replacement seal, contact us at

Jul 11, 2009 | Polaris Pb460 Polaris Booster Pump...

1 Answer

M pump has high pitch squeel and Polaris does

Yes. You have rust inside the motor possibly from a blown pump seal. If you replace the pump seal, and with sand paper remove most of the rust from the shaft the pump should be ok.

Jul 03, 2009 | Polaris Pb4 - 60 Booster Pump

1 Answer

The polaris booster pump motor does not start. I hear it humming. I took the end cap off and turned the shaft without a problem. I took off the capacitor and tested it and it works. What should I check...

I my name is Juan and I was a pool repair tech in california and if your capacitor is good and your motor turns freedly with your hand then is time to replace your motor for a new one if you planing to do this make sure you replace the water seal is a good time to do it

Jun 16, 2009 | Polaris 380: Polaris Booster Pump

1 Answer

My polaris booster pump will not come on. when i turn it on the motor makes a humming noise but wont start

Does it have a century motor? If so, remove the shaft cover plate at the rear and try rotating the shaft with a very thick slotted screwdriver or substitute until it turns fairly easily. Often some mild oxide develops around components that just needs to be disturbed.

Apr 12, 2009 | Polaris Pb460 Polaris Booster Pump...

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