Repair and disassembly guides for Mixers.

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Doesn't actually turn off

I have a Kitchenaid mixer that's about 10 years old (before they went to plastic insides), and it no longer turns off. Sometimes when I plug it in, it is off, but often, it's already on, and to stop it completely, I have to either push back the speed lever or unplug it. I love this thing, and would love to know how to fix this problem. I'm figuring it's a worn out gear or such, but none of the websites I've found show how to fix this particular problem. Thanks for any help!

Answered! View the answer I have this problem too

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I was cleaning under the muxer, it sipped and fell on its speed shifter. Now it does not stay in the off position. It springs into 2. My wife is going to shoot me. Can I fix this?

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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. Parts are available here https://www.shavtronics.com/store/cart.p... and KitchenAid has good web support. http://www.kitchenaid.com/flash.cmd?/#/p... What model do you have so that we may find a service manual for you. http://downloads.mendingshed.com/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.Good Luck

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I have a K-45SS. It might be the switch, actually, now that I think about it. Thanks for the link on the parts and manuals! Unfortunately, Kitchenaid told me it would cost me shipping, plus a rather *ahem* substantial amount to even look at it, and I'd prefer not to spend the $ if I don't have to! Looks like this isn't an uncommon problem (right there in the troubleshoot) but I'll have to get the switch control part. Thanks!

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+ congats on the accepted answer

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thank you mayer, appreciate it. It is a pleasure to help others :)

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All you really get for your efforts here is the recognition of your peers and an occasional thanks from the question asker. You're a fine welcome addition to the club.

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Indeed, I went and looked at the manual link, and there it was. I need to borrow some tools from a friend, and order the part, but that did the trick! Thanks so much for your help!

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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. any funny smells? 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.

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oh, no, it works great. No funny smells, works at all speeds, still functions normally in all ways but the one…it won't turn off. Doesn't run any differently than it ever did.

To describe it further, you know how on the side there's that slide, and it shows "OFF" and then 'STIR' etc.? Well, the lever can be in the 'OFF' position, but the motor (nor the rest of it) stops. If I hold it to 'OFF' it will stop, but slides back to 'STIR' all on its own.

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Actually, I wanted to accept BOTH of your answers, but it wouldn't let me…so ben, don't feel bad!

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glad to hear your onto something. it sounds like your well on your way. i think you can arrow up my answer. glad to be of service.

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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. Also check the copper arm to ensure it moves up and down on the first click of the switch properly. Also 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. Ensure the mixer is unplugged before opening.

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I agree with E Brian. There is no on-of switch as such, just a governor. In my case, like Jeanne the baker, the switch jumps on all by itself. The solution was quite simple. The little lever is held in place with a screw. If this screw is loose, the lever will not stay in the correct detent, as it is pulled forward by a spring. Tighten the screw, and the problem is solved.

I was surprised by how old-tech the mixers are. The controls are electro-mechanical like I remember from school almost 50 years ago. I expect that the new ones are electronic.

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After 15 years of this never turning off, it now stays off! Thanks E Brian!

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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. Works for me!

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Thanks for sharing the tips. It sounds simple, but I find it a bit hard to imagine. Do you still use the method? If you do, can you share some photos? Thanks!

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Adjust the two long screws at the top of the control board by taking the back cover off. Tighter adjust when mixer turns off.

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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. Safety hazard!

Good call Clive.

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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.

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melissabruninga will be eternally grateful.
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