Red Kitchenaid Stand Mixer

How to Fix a Kitchenaid Stand Mixer That’s Not Spinning

It was Saturday.  A nice day of not doing a lot of anything.  For dinner we decided that homemade pizza would be enjoyable.  My wife makes great pizza, she even took a Craftsy course on how to make better pizza dough. She aced it.

Her most prized possession in our Kitchen is her Red KitchenAid Stand Mixer that she received as a gift shortly after we were married.  Being huge fans of carbs and gluten this mixer has made a lot of bread over the years.  The cool thing with this style mixer is you can get an ice cream making attachment, a meat grinding attachment, and more.

Things were going as normal until I heard the motor strain and then it started making a “clicking” sound.  The motor was still running but the mixer was not spinning.  We turned it off, removed the bowl, and let it cool for about thirty minutes.  We then turned it back on, same noise and no movement.  I wiggled the beater and it seemed to engage, but stopped as soon as some pressure was applied.

I assumed a gear had stripped.  After some searching we found that Kitchenaid designed their mixer with a failsafe gear.  The gear that engages the motor is nylon and if the mixer is over worked it is designed to fail so the rest of the mixer is not ruined.

Worm Gear Assembly
Worm Gear Assembly
Worm Drive Gear
Worm Drive Gear

The proper term for this part is the “worm drive gear.” You’ll want to check your model number to get the right one.  You can buy the cheaper gear, or spend a little more on the Gear Assembly. I bought just the gear. It was not hard, but if I have to do this task again I’ll spend a few more dollars and get the entire housing.  It’s just a little-bit easier.

The inside of your mixer will be filled with a lot of thick black grease.  It is food safe and non-toxic, but tastes awful.  I ordered a thing of replacement grease that isn’t needed.

Kitchenaid Stand mixer stripped Worm drive gear
I gave up on wearing gloves halfway through.

This turned out to be a very easy project that anyone that can follow directions can do.  I’ve linked to a Youtube Video at the bottom of this post that takes you through everything step by step, it only takes about 20 minutes to do.

Tools Needed to Repair Your Mixer:

  1. Flat-head Screwdriver
  2. Philips-head Screwdriver
  3. A set of punches (Allen wrenches can substitute, if you absolute don’t want to spend $5)
  4. Mallet (A hammer is fine just be very gentle while driving the pins out.)
  5. Disposable Gloves (Helps keep grease off your hands)

This is a great video that I used to replace my worm gear.  Follow his walk-through carefully and you’ll be up and running in 20 minutes.

A very easy diy repair job that only takes a little time to complete. That’s what I think is nice about high end tools, they are made to be repairable, instead of just thrown away when they break.

Buy your own KitchenAid KSM150PSER Artisan Series 5-Quart Mixer, Empire Red

If you have any questions I’ll be happy to answer them and walk you through the process just leave a comment.

God Bless,
Robert

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