Question about KitchenAid Food Mixers
Husband will need to check the carbon brushes and make sure they aren't worn out. They are also keyed and only will work one way. Check for continuity through the field wires one at a time. There should be a circuit between a field wire and a brush holder.
Posted on Jun 11, 2018
HAMILTONCOOL - It appears that your mixer had a mechanical failure in the transmission box or planetary gear assembly of your mixer failure - one of the main gears has failed, hence the loss of power to the agitator. You didn't mention any associated noise prior to the loss of power to your agitator, but I'm assuming there was just a little more noise than usual, prior to failure.
The inspection and troubleshooting of the transmission is a DITY capability, particularly if your mixer is out of warranty. Just be sure to have the correct Part List manual around when you start to disassemble your mixer. If you're lacking one, you can download it from the KA website. Click on Customer Care>Locate Manuals & Guides> Enter the 6 character model number, and then select Parts List file. You can check the page titled 'Case, Gearing & Planetary Unit, for the disassembly, troubleshooting, and reassembly of your mixer, along with all the parts. It can be messy but gratifying. Once apart you can check for any other unseemly wear and tear on the gears, etc. Good hunting... I hope this helps - Howard, Burke, VA
Posted on Nov 19, 2009
It could be very easy. It maybe you have a the brush in the
wrong way round or they have simply run out. They are on the sides under the black plastic caps. Although they will fit in the hole any one of 4 ways
round, there is a key on one corner which means it will only go in one
direction. Use a torch to look into the hole before you put it back in.
They shoud look like this : brush
Posted on Jan 24, 2010
I think you have a K45SS. It sounds like there is a problem with one of the gears, probably the worm gear. The worm gear is designed to be the first to fail if the mixer has struggled with a heavy dough or other difficult to mix substance. The best way to establish the cause will be to open the head up and check the gears for signs of damage.
Posted on Jan 25, 2010
Hi COVINIO. Yes, the "large black spring loaded magnetic screws on the sides of the mixer" are your mixer's brushes, which supplies electricity to the electric motor. (The black cap is the brush cover). I suspect that one or both of the brushes is (are) not seated properly. Did you remove the brushes to replace them or were you just inspecting them, when you replaced your plastic worm gear?
The brushes need to be installed so that they both seat correctly on the armature's commutator. See the illustration below:
I'd suggest removing them again and making sure the concave contact face rests completely on the armature’s commutator. If you've turned it 90 degrees too much, it won’t seat properly and you get no power to the motor.
It would also be helpful to 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> Enter the 6 character model number, in your case use KSM50P (Your K5SS mixer falls within this manual), and select the first file KSM50P.pdf (438.31 KB) listed under Parts List (4) and then check to verify this matches your mixer model.
Turn to pages 6 & 7, titled “Motor And Control Parts”, which provides an exploded view for the disassembly and reassembly of your mixer’s electrical components, along with all the parts. Locate Illus No 47, Brush holder assembly that includes #28, 32, 33, 34 & 46 which is the brush holder insert, and Illus. No. 29, brush & Spring assembly respectively. The illustration along with the picture above regarding the orientation of the brushes should get your mixer powered back up and operational. Good luck! I hope this helps. Howard, Burke, VA
If this solution has been helpful to you, please rate it, thanks! -hslincoln
Posted on Jan 29, 2010
Testimonial: "Dear hslincoln,Thank you for your very helpful link to diagram that showed exactly what to. It was fixed within 3 minutes"
Find the screw in the picture as shown and screw it counter-clock-wise which will drop the bowl level down when it is in the raised position and the mixer paddle will not rub on the bowl.
Posted on May 31, 2010
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