Question about KitchenAid KSB5 Professional Stainless Steel Work Top Blender

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My kitchenaid blender KSB50B3 is making a slight grinding noise when I use it. Everyone seems to speak about the coupler, but all the teeth are intact on it. It is definitely not the couple, the grinding noise is coming from inside.

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Broke the coupling to our

If you have a Kitchenaid Blender (model KSB50B3 or similar) and the rubber teeth on the coupling (that spikey rubber thing on top of the base) broke off (see picture), here is how you can fix it yourself! The Task: The coupling is screwed onto a vertical shaft like a button mushroom. The shaft is round with two flat sides. You need to find an U-shaped thing [such as a wrench] to secure the shaft and loosen the coupling by turning it CLOCKWISE. What you need: 1. New coupling: Part number KA-9704230. Shouldn't be more than $6. I got mine at www.goodmans.net. Their shipping fee is very decent and the service is also good. 2. An U-shaped object: Some had success with household forks. That didn't work for me. Most successes came from the use of ignition wrenches. There's only about 1/4 of an inch between the coupling and the base, and these very thin wrenches can get in there. You will need size 5/16 or 9/32. I got mine at Sears. They come in a set and are not cheap!! The steps: 1. Rip the rubber cover off the coupling. There's a metal disc inside. 2. Secure the shaft with the wrench. 3. Grab the metal disc with a plier and quickly **** it CLOCKWISE. This is to overcome the inertia. 4. If not loosened repeat steps 2~3. 5. Screw new coupling on COUNTER-CLOCKWISE. Now you are ready to make that smoothe or margarita or what have you again! Disclaimer: Kids, don't do this at home. I am not responsible for any explicit or implicit damages caused by you repairing your blender. Read manufacture's warranty policy before proceeding. Call their service center if you don't feel comfortable performing the aforementioned repair.

Posted on Sep 06, 2008

rapanSF
  • 150 Answers

SOURCE: Salton Blender

Contact the manufacturer of your blender, if the manual is around look in the last pages.

Posted on Oct 23, 2008

  • 1 Answer

SOURCE: How do I remove the coupler from a Kitchenaid

I just worked on mine tonight. you have to take the bottom off by removing the four rubber feet and then the four screws under them. Now here's the tricky part; you'll need something to hold the jar coupler (round thing spins the blade). I was able to use a large pair of vice grips with some electrical tape wrapped around the jaws, to keep from damaging the coupler. Then take a slot edge screw driver and back out shaft from the coupler. FYI, the threads are reverse, so you will actually be turning the screwdriver clockwise to remove the coupler.

Posted on Nov 22, 2009

SOURCE: Teeth sheared off the coupler drive on KitchenAid Blender

From the way you describe the problem it may be that you are talking about the previous models of blender, the KSB52 and KSB5. If this is the case please see here.
If it is this model you are talking about, the question has been answered here.

Posted on May 07, 2011

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2 Answers

Why is kitchenaid blender making loud grinding sound, only with carafe in place?


If there is no noise without the beaker it will not be the motor. The problem is in the shaft & bush that holds the chopping blade. Dismantle, clean & lube it. If that does not fix it replacement of the assemble is the only other solution

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Changing the coupler


Lever it off with a screwdriver, it is aluminium and the threads on the ring will break away. Pick them out of the thread on the motor shaft and screw on a new coupling, it will be left hand thread.

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Need to replace coupler on KSB50B3 Kitchenaid Blender


http://www.appliancepartspros.com/search.aspx?model=ksb50b3

Nov 10, 2012 | KitchenAid Blenders

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Ksb50b3 doesn't turn on hums


Does the blade turn by hand? Does the motor turn by hand? The answers to both those questions may point you in the right direction. If both turn freely I would suspect you need a new motor.

Jun 07, 2012 | KitchenAid KSB560 5 Speed Blender

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How can I change the blade for my 2 speed hand mixer? The model type is NC-12 if you need to know


you are using your KitchenAid blender and it stops blending, you may think there is a problem with the motor in your machine. However, a common reason for the blades not rotating in the blender is a dirty or faulty coupler. The coupler is what connects your blender dispenser to the motor, and you can easily replace the coupler at any time by only using a screwdriver.
Things You'll Need
  • Flat-blade screwdriver
    • 1 Turn the blender dispenser clockwise and lift up to remove it. Set the blender dispenser aside.
    • 2 Insert a flat-blade screwdriver between the black drive coupler and the frame of the blender on the top center portion of the blender.
    • 3 Lift the screwdriver upward, and the coupler will start to bend out of place. Slightly turn the coupler and then lift up on the screwdriver again.
    • 4 Continue to move the coupler slightly and lift the screwdriver until the coupler is completely removed.
    • 5 Insert the new coupler over the blender's motor blade and then twist the coupler counter-clockwise until it is tightly fastened.

Jun 07, 2011 | Blenders

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Seems like motor has lost power


This sounds like the black rubber coupler has broken. The teeth often get knocked off. Have a look at the part shown in hte pictures here:
http://kitchenaidblenders.co.uk/Home/tabid/36/p/Two-%282%29-KitchenAid-Blender-Coupler-%2b-WS-Fitting-Tool-9704230_2plusWS/ProductID/175/Default.aspx

Jan 22, 2010 | KitchenAid Kitchen Aid Kitchenaid 5-speed...

2 Answers

Teeth sheared off the coupler drive on KitchenAid Blender


Hi,
You should be able to remove this assembly from the other parts - then you will have enough room to work on it.
Remember to clean the seal area if disturbed or it may leak.

Aug 20, 2009 | KitchenAid KSB560 5 Speed Blender

1 Answer

All lights blinking on my blender


When the lights are flashing, this does indicate that an electronic part has failed. This blender is no longer manufactured, so finding replacement parts for it may not come easily. Repair centers are available.

This error was probably not caused by replacing the coupler, but merely coincidence.

You may find a Kitchenaid certified service location using the following link:

http://caservice.kitchenaid.com/

If this is not helpful, I would recommend calling Kitchenaid Customer Service to see what they can recommend for you.

Their toll-free number is 1-800-541-6390.

Nov 28, 2008 | KitchenAid KSB5 Professional Stainless...

2 Answers

Broke the coupling to our blender #KSB50B3


If you have a Kitchenaid Blender (model KSB50B3 or similar) and the rubber teeth on the coupling (that spikey rubber thing on top of the base) broke off (see picture), here is how you can fix it yourself! The Task: The coupling is screwed onto a vertical shaft like a button mushroom. The shaft is round with two flat sides. You need to find an U-shaped thing [such as a wrench] to secure the shaft and loosen the coupling by turning it CLOCKWISE. What you need: 1. New coupling: Part number KA-9704230. Shouldn't be more than $6. I got mine at www.goodmans.net. Their shipping fee is very decent and the service is also good. 2. An U-shaped object: Some had success with household forks. That didn't work for me. Most successes came from the use of ignition wrenches. There's only about 1/4 of an inch between the coupling and the base, and these very thin wrenches can get in there. You will need size 5/16 or 9/32. I got mine at Sears. They come in a set and are not cheap!! The steps: 1. Rip the rubber cover off the coupling. There's a metal disc inside. 2. Secure the shaft with the wrench. 3. Grab the metal disc with a plier and quickly **** it CLOCKWISE. This is to overcome the inertia. 4. If not loosened repeat steps 2~3. 5. Screw new coupling on COUNTER-CLOCKWISE. Now you are ready to make that smoothe or margarita or what have you again! Disclaimer: Kids, don't do this at home. I am not responsible for any explicit or implicit damages caused by you repairing your blender. Read manufacture's warranty policy before proceeding. Call their service center if you don't feel comfortable performing the aforementioned repair.

Apr 22, 2008 | KitchenAid KSB5 Professional Stainless...

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