Question about KitchenAid KSM90 Ultra Power Series Stand Mixer
The speed switch on our KitchenAid KSM90 has always been touchy as far as turning it off. It seems to lack a proper detente to hold the switch securely in the off position. Any slight bump and it would turn back on. Now it doesn't want to turn off at all. The switch pops back on and you end up having to unplug the cord.
I'm wondering if cleaning the switch mechanism might help? How do you get the cover off the machine to get inside? All I managed to figure out was how to remove the back end of the cover and that the two big black screws are the motor brushes.
Hi NORMR123, it sounds like
your Switch Lever has loosened up and you just need to get to the attaching
screw to tighten everything up. (I trust
you reinstalled the motor brushes correctly so your mixer will run. Many folks attempt repairs by removing the
brushes thinking it will provide access to the inside, then reinstall them
incorrectly and wonder why their mixer doesn’t work.)
Be sure you have the Parts List manual on hand. If you're lacking one, you can download a PDF version from the KA website at: http://www.kitchenaid.com/flash.cmd?/#/page/home.
Click on Customer Care>Locate Manuals & Guides> then enter the visitor type “Consumer” and the 6 character model number, in your case use KSM90P, in the Model Number box. Select one the files listed for your model that appears under Parts List (16): KSM90PSWH0.pdf (354.08 KB) and save that file to your PC (check to see if this matches your mixer model).
Although not providing step by step instructions, the Parts List manual provides an exploded view of the various component assemblies allowing you to see how the mixer all fits together. It is helpful for the disassembly, troubleshooting, and reassembly of your mixer.
Turn to pages 6 & 7, titled “Motor And Control Parts”, and locate Ill. Nos. 1, 2, 3, & 4. #1 is your Pivot Screw, which may have loosened over time. #3 is your Switch Lever and stud. Check the detent is present or rubbed down. If that’s the case, you may want to replace it.
As far as parts go, here are five potential vendors in no particular order: RepairClinic.com; mendingshed.com; searspartsdirect.com; partstore.com; and Grainger.com (for grease). Prices can vary widely between vendors, so do some comparison shopping.
Finally, here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer.
If this solution was helpful, please rate it, thanks! – hslincoln
Posted on Jul 30, 2010
I made a Video to repair the problem.
Check it out.
Posted on Dec 09, 2014
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Posted on Jan 02, 2017
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