Question about KitchenAid KSM90 Ultra Power Series Stand Mixer

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Motor is making screeching noise

I bought my mixer probably 6-7 years ago and have noticed that it is slowly getting louder when I start mixing anything up. It's a high pitched screeching sound (I think) coming from the motor area. It starts when I've attached the mixer part and start the machine. Then, when I turn it off it has the noise before shutting down. Is this worth trying to fix or just buy another one?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

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Posted on Jan 02, 2017

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  • 45 Answers

SOURCE: Kitcchen Aid mixer making a grinding noise

common problem. Worm gear & bracket #PS734273 about $36.

Posted on Nov 05, 2007

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  • 9 Answers

SOURCE: kitchenaid mixer not mixing

remove the back cover, and try tightening the two (on top) adjustment screws.  that might help but no guarantees!

Posted on Jan 27, 2008

  • 25 Answers

SOURCE: kitchenaid mixer mades a high pitch squeak when mixing

Take it to a local repair shop and they should be able to fix it in no time.

Posted on Mar 26, 2008

alexpomar
  • 26 Answers

SOURCE: My kenwood mixer will not

Hi, maybe you have 3 problems:

1 the tooth belt its nearly broken.
2 Problem in some gears
3 If its model A701/A check the back cover, and the pin in the top. its in good condition
regards
Kenwood Chef Restore

Posted on Sep 01, 2008

JonThibodeau
  • 4 Answers

SOURCE: Kitchen aid 300 watt counter mixer model ksm90

Here is a link to the instruction manual:

http://www.kitchenaid.com/assets/pdfs/product/ZUSECARE/KSM150PSOB_Use%20and%20Care.pdf

Quick summary:

Tilt back the head of your mixer. Look at the joint between the head/body of the mixer. A flat-head (standard) screw will now be visible. Turn this screw counter-clockwise to raise the attachments, clockwise to lower them. Don't turn the screw too much, it is pretty sensitive.

Posted on Jan 24, 2009

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Tll,
It sounds like it could be an issue with the gear, the motor housing could have a crack in it. The problem could be much more involved as well. Put the unit on the slowest speed and see if you can stop the mixer from spinning. If it hiccups or stutters, that means you have a stripped gear. If you cannot stop the unit using your hand ON THE SLOWEST speed then there could be a problem with the motor housing or the motor itself not being held in place properly.

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Hobart A-200 mixer gets hot and weak. Motor housing gets too hot to keep your hand on it. Service tech told me the motors usually don't go out. What other problem could it be?


I'd say you're most likely overloading the mixer. This mixer, and others similar in size, are frequently overloaded by people making pizza dough. If you are making dough, keep in mind the A-200's capacity is 9 lb. of 40% A.R. pizza dough, mixed for 5 minutes maximum. If you need to mix longer, the batch must be cut down even smaller, but I don't even know if you're mixing dough.

Try running the mixer unloaded (i.e. nothing in the bowl) for ten minutes or more and see if it gets hot. If it still gets hot, the motor's start circuit (varies depending upon age of the A-200; Hobart used numerous motors in the A-200 over the years, incorporating different starting circuits) most likely has problems. If it doesn't get hot when operating unloaded, then you're probably overheating the mixer by overloading it.

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Our Sunbeam Mixer (stand variety) is about 25+ years old and has many miles on it. . About a week ago, while mixing a light concoction it slowed down and then stopped. It started a couple days later...


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My epicurean mixer (5quart) stand mixer sounds loud but isn't overheating is that abnormal or if so what should I do


KAY – You don’t mention how long you’ve had your mixer or how intensely you use it, which would be helpful in assessing your question. Our first KA mixer we got in May 1989, seemed ‘whisper’ quiet compared to the replacement 6 qt Pro mixer our children got SWMBO for Christmas in 2006. The new mixer was so noisy that my wife called Kitchenaid to complain. The wonderful KA ‘Helpers’ explained that KA had changed to making all metal gears in their mixer transmissions as opposed to having one plastic gear (intended to fail instead of burning the motor out). That change from plastic to metal is then main reason your KA mixer seems to be much louder. You should be able to judge if your noise level has increased or stays the same during normal use. Since you stated that you don’t notice any overheating of the mixer I would say that the noise level is appropriate and wouldn’t be overly concerned at this point. That being said, if you hear a change in the noise level – usually louder, it could be indicative of mechanical issues in the transmission, which is what finally happened our mixer. One of the gear teeth broke and the agitator froze up. But that is another story…
I hope this helps. Good luck! Howard – Burke, VA
If this solution has helped you, please rate it, thanks!.hslincoln

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Hi. Since I can't tell how much you have taken apart, I'll start from the beginning.

Remove the silver band, remove the top cover. At the top front of the mixer locate the transmission housing. If it's plastic, inspect it carefully for cracks around the screws and the body of this housing. If you find cracks, you have found the cheap plastic part that kitchenaid still installs in new mixers, and the cause of your trouble. They know that it's substandard but don't care enough to place a recall notice on this part. It may not please you to know that their replacement part is METAL like the original part should have been. "For the way it's made"! Indeed!

If you intend to repair the mixer yourself, go to kitchenaid's website, enter your model # and locate the parts list for your mixer. Download the drawings, they will assist you with your project.

Be sure to tell kitchenaid what you think of their cheap plastic part.

If this solution has assisted you, please rate it. Good luck! ricardok45

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does the motor still run or does it slowly start to get less loud? or is the beater assembly that dosnt work? two different issues. if the motor runs but dosnt beat then its the planitary gears that are ground out and need replacing. if the motor slowly dies out then you need to replace the motor.

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