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-   -   impeller removal (http://forum.appliancepartspros.com/dishwasher-repair/188387-impeller-removal.html)

georgealden 03-16-2011 10:16 AM

impeller removal
 
Removed motor/pump ass'y. How is impeller attached to motor shaft?

Gene 03-16-2011 06:10 PM

The pump impeller can be accessed by using an adjustable slip-nut wrench to turn the disk mount assembly counterclockwise. Once the disk mount assembly is removed, the impeller can be removed.

Very often the disk mount is hard to unscrew because of minerals build up in the tread. In such situation it has to be broken in pieces. You can use a chisel or a flat blade screwdriver. Be careful not to damage the pump body.

- The disk mount Part number: AP2909490

Part number: AP2909490



- The impeller/seal kit Part number: AP3108052

Part number: AP3108052



Here are the breakdown diagrams and Replacement parts for WHIRLPOOL TUD5000Y2 | AppliancePartsPros.com

Gene.

ncpete 06-27-2013 03:45 PM

Okay, I have the front disk off
 
but now I cannot remove the impeller from the motor/drive shaft. How do I do this? It appears to be rusted? Do I need a device like an automotive bearing puller?

ncpete 06-27-2013 07:04 PM

okay, got this one figured out with a little bit more research, actually on this site. If you find yourself in the same predicament that I did, you can actually break apart the impeller with chisels. I felt a little bad using my decent woodworking chisels to do it (I couldn't find any of my others - perhaps time to reorganize the shop?), and I will have to resharpen my 1/4"er, but it works. Took a few whacks with the mallet and chisel and I was soon pulling the remains of the impeller out.
Because of the rust that had locked my impeller to the drive shaft, I spent some time sanding and cleaning the shaft. Not a machinist quality of clean, but it went back together with some gentle persuasion, and liberal application of white lithium grease. It's running a test load now, and NO LEAKS!
Pretty impressed that an 18-19 year old dish washer still has easy parts availability, and is still running. total parts? (including a fresh water supply line) $43.32


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