I do not believe that it is a gear. IO also believe that you may need to replace the switch. Of course first check it out and make sure all contacts are attached and in good working order. Use a multimeter to check the switch. /store/cart.p... and KitchenAid has good web support. What model do you have so that we may find a service manual for you. /Kitchen... for one of the service manuals. Now i am not sure what model you have but this may help you to get a better idea. is the on/off toggle switch broken? i would get a continuity tester and check to make sure that it works properly. it really doesnt sound gear related. can you describe the problem further? does it still work at slow speeds? if it doesn't it could be that the switch is fine and that the motor is on it's way out. does it run differently when first started vs after some heavy use? older kitchenaid mixers are worth a repair job hang in there. try some experiments and get back to me. I have four of these mixers in my bakery and two of them have the "don't shut off" problem.

My simple and inexpensive fix is to loop a thick rubber band to the power cord by the back of the mixer and then loop it over the speed knob when I want the mixer off. These mixers are real work horses and I don't have time to take them to the shop for a costly fix. I have to replace the rubber bands about once a month. I had a similar problem with my Kitchen Aid. The switch is not actually a switch but rather moves a lever that operates two things at the back of the mixer: 1) a simple lifting copper arm that makes a contact to provide power to the system (electrically this mixer is just on or off) and 2) The lever also moves the entire back control board forward and back. There are two long screws at the top of the control board that are spring supported to allow for this movement. There is a governor on the shaft of the motor that pushes against a plate in the center of the control board. The farther the switch moves the control board back the further back on the shaft the governor can go and the faster the machine can go.

In my case the screws holding the control board had come loose allowing the governor to go all the way back (high speed) at the first click. Take the back cover off and see if the two top screws need to be adjusted (tighter and the mixer starts slower (or not at all) looser and is starts faster and the last click or two will not make it go any faster. Home Decorators Laminate Flooring ReviewsAlso check the copper arm to ensure it moves up and down on the first click of the switch properly. German Shepherd Puppies For Sale In North DakotaAlso in my case the two nuts that hold the motor in place had come loose and were in the bottom of the cover so you may want to check for those. Weight Loss Hula HoopEnsure the mixer is unplugged before opening.

Adjust the two long screws at the top of the control board by taking the back cover off. Tighter adjust when mixer turns off. I think Clive is on to something. When I push the lever to "Off" it sometimes snaps back to "stir". Many times it is already on when I plug it in. There is a main switch on the lower left side of the speed control. The black wire plugs directly to it. I found the fixed contact bent upward so far that the movable part of the switch couldn't move up far enough to break the circuit. The fixed contact appeared to be bent up. I bent it down so that the contacts separated about halfway between stir and off. It now works perfectly.This morning, a total kitchen tragedy occurred. My professional Kitchenaid mixer wouldn't turn on. It has seen me through countless recipes — , , , and more — but today it decided that enough is enough. Not being one to take things lying down, I put the internet to work and rounded up some links to help all of us get our mixers back up and running when they give us the proverbial appliance finger (you know, if they had fingers, that is).

There seem to be three common problems when it comes to KitchenAid mixers. The first is like ours, where the machine simply won't turn on. The next is having the beaters hit the bottom of the bowl, and the last is having a worm gear break inside. That isn't to say, however, that there aren't other problems that can occur. We read about one man who has oil leaking from the attachment head down into the bowl and others who can't get their head to lock open or closed and some whose mixers are sluggish and can't even whip cream. But for the most part, the three above are the most common issues. Here are a few resources we found to help remedy the problems yourself. Yes, this means you'll have to take it apart. Many of the sites have step by step pictures to help guide you through so don't worry. Even if you can't fix it, you'll still be paying the same amount in labor for someone else to get the job done, so you might as well have tried first! • How To Repair A Kitchenaid Mixer Yourself: This is hands down the best link we have in our arsenal (though it doesn't fix our current problem).

Tammy from Food on Food shows you step by step how to replace a worm gear, which is the number one problem with mixers when something goes awry. It's a part that's intended to break down before your motor burns out and many who use their mixer for dough will experience this once or twice during the life of their mixer! • Fix Ya: This is a good starting place for those with electrical issues, or when your appliance won't turn on. There's a great list of things to check before sending it out. They also have a listing of all the different mixers made over the years and many have specific answers only for that model. • How To Troubleshoot Kitchenaid Mixers: Over at How To there's a list of things to go through to help define the problem you might be having. • Need New Parts? Here's a great listing of parts that may need to replacing. Most are under $20, which is far less than having someone else do it. Remember if a part was greasy coming out, it needs to be going back in as well, so don't forget to pick up some machine grease too!