How do I remove the impeller on my dishwasher?

[snail]

I can't seem to remove this little impeller in the drain pump on my 1963 kenmore 600 dishwasher. All I want to do is relubricate the squeaky rubber seal.

Is it meant to come apart? I've tried placing a nail in the screw hole and using a two jaw puller. I also tried using a pickle fork placed between the pump housing and the motor. It won't budge. I'm afraid to use too much force.

 

[combo52]

Rebuilding a D & M dishwasher pump.

These are a pain in the neck, but possible to repair. You need to take a propane, torch and heat the impeller until it comes loose, you will not be able to reuse the impeller. You’ll need a new seal and impeller kit to fix this, hopefully the motor shaft is not too rusted or you may have to replace the motor.

If you don’t wanna take it apart any further, try getting some oil on the motor shaft with the pump upside down for a while that will lubricate the seal and you put it back together and it may work normally. A squeaky seal should just be ignored unless you want a big repair .

John.

 

[snail]

Thanks john!

Hopefully my monkeying around with it has not damaged the seal. I think I will spray it with some silicone lube and just put it back together.

By chance do you have a part number for the impeller and seal in case I have to replace them?

 

[snail]

On second thought...

I decided I went this far might as well finish the job. This will be my only dishwasher for awhile and I want reliability. The seal was old and had cracks in the rubber. Im glad im replacing it. The motor shaft is a bit rusty but it looks OK. I see the seal does not ride on the motor shaft anyways. What an odd design!

Thanks again for your help. The heat and the two jaw puller got it off!

Looks like the seal and impeller kit is available on ebay! P/n 806153

 

[combo52]

Yes, it is better to rebuild it completely, if the motor shaft is rusty at all, turn the motor on and take a file and smooth it out nicely. Otherwise, the impeller will stick on the shaft and will cause the seal not have the right tension and it will leak

Also run the motor without the pump assembled on it and see how it sounds. If there’s any bearing play at all you’re better off replacing the motor these machines had terrible motors they only had sleeve bearings.

The seal almost never runs against the motor shaft on a dishwasher. In fact, I’ve never seen one that does, actually I take that back. Whirlpool tried to use a lip type seal in 1970 and 71. The motor had a stainless steel shaft, but it still was not successful design and they quickly changed it back to a spring loaded carbon and ceramic seal like you have.

John.

 

[snail]

Fixed the motor wires

The shaft is a bit rusty but I'll clean it up like you suggested. Two of the wires coming out of the motor had decintegrated when I removed the motor. I replaced those. The bearings seem ok. They still had oil on them. If it's noisy I suppose I could try to hunt down a replacement. I'm not sure how available these things are.