Question about KitchenAid KSM150PS Artisan Series Stand Mixer

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Removed brushes and reinserted and motor won't work

Does it matter which way the motor brushed are inserted?

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It does. They should only go in one way, though. They have a chamfered edge and if you look in the hole, they it is similarly chamfered so they can only go in one way.

Posted on Mar 02, 2009

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Can I buy new parts for the two dime-sized screws' inners? I removed them nd now the mixer wont work.


What you are describing is the two side screws on the side of the mixer motor head. Yes you can buy all new parts for whats behind those screws or you can just buy new "Charcoal" thing...which are called "The Brushes" If you buy new parts off ebay or from Kitchen Aid you will have one very small concern. There are four different ways to insert the brushes back into the machine but only one way will make the machine work right or work at all. The brushes are spring loaded into the machine the screws caps keep them in and pushing them forward, the brush end rests on the commutator portion of the armature (The Motor) and when the brushes do not touch that portion of the motor the machine will not work at all until they are put in the machine correctly. You will notice on the brushes that one edge is beveled, inside the brush holder is a small metal clip/piece that has been bent up and into the brush holder space, the beveled edge must go in so that it will slide past this bent metal, if it is inserted incorrectly then the metal piece will hold the brush off of the comutator and the electric feild will not create the spark / energy needed to operate the mixer. If you want to replace all the parts associated with the brushes and brush holder you will have to do a FULL tear down of the machine in order to get at the set screw that keeps the brush holder tube in place, and to do that you will have to take the machine entirely apart. I hope this helps. If not; get back to us with more info on the problem and we will FixYa

Oct 07, 2014 | KitchenAid Classic Stand Mixer

1 Answer

My machine simply won't turn on .


Obtain a copy of the Repair Part List for your model from Kitchenaid.com.
Download a Copy of the Kitchenaid Service manual.

http://www.kitchenaidparts.be/centers/servicemanual/mixer.pdf
Remove both Brush Holder Caps (34), one on each side of the
Gearcase Motor Housing (1). The Carbon Brushes (29) are keyed
and designed to go into the Housing but only one way. Both must
make contact with the Motor Coils in order for the Motor to turn.
If they are improperly inserted or too worn out (replacement is
required) then your mixer will not run.

Jul 26, 2011 | KitchenAid KSM103 Professional 5 Series...

1 Answer

Won't turn on


Get a copy of the Repair Part List for your model at Kitchenaid.com
On each side of the Motor Housing(1) is the large black Brush Motor
Cap(23). Each Carbon Brush(19) is keyed (one corner is not square)
and is designed to go into the Motor Housing slot but only one way.
Each Carbon Brush must make contact with the Motor Coils. The
motor will not turn if one or both does not come in contact with the coils.
If the brushes are too worn out, of course they won't touch the coils
neither and your motor will not run. You can purchased new brushes
on Ebay if they need to be replaced.

Jul 15, 2011 | KitchenAid Artisan KSM150PSAQ Stand Mixer

2 Answers

Took out/put back black brushs/motor wont turn on


Hi TUBEARS, from what you’re describing, I suspect that one or both of the brushes is (are) not seated properly when you reinstalled them. The brushes need to be installed so that they both seat correctly on the armature's commutator or you won’t get any ‘juice’ to the motor. See the illustration below:
ff450a7.jpg
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 K45SSW, and select the first file K45SSWH0.pdf (341.41 KB) listed under Parts List (1) 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 32, Brush holder assembly that includes Illus. Nos. #18, 21, 22, 23 & 31, and Illus. No. 19, Brush & Spring assembly respectively.
The Parts List 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

Feb 20, 2010 | KitchenAid K45SS Classic Stand Mixer

2 Answers

I took the two big black plastic spring loaded screws out and put them back in, now it's not working...


Hi, ANNEQUESTRIA, I hate it when that happens. Those ‘two big black plastic spring loaded screws’ are your mixer’s electric motor brushes. The slotted black threaded plastic parts are just the Brush Holder Caps and are protective covers to the brush holder assemblies. They allow access to the brushes when they need to be replaced without have to take the whole mixer head apart. What prompted you to remove them?
From what’s been done already, still I suspect that one or both of the brushes is (are) not seated properly.
The brushes need to be installed so that they both seat correctly on the armature's commutator. See the illustration below:
fd6ecd1.jpg
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 KSM90P mixer falls within this manual), and select the last file KSM90PSWW0.pdf (354.08 KB) listed under Parts List (16) 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 32, Brush holder assembly that includes Illus. Nos. #18, 21, 22, 23 & 31, and Illus. No. 19, Brush & Spring assembly respectively.
The Parts List 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

Feb 07, 2010 | KitchenAid KSM90 Ultra Power Series Stand...

1 Answer

I took out both the electrical brushes while cleaning my KSM90 and I think I re-inserted them incorrectly. I unscrewed each cap and took out the spring and brush, cleaned the female threads, and the male...


Hi REDEN828, yes, you are correct. When you reinstalled them you either misaligned one or both brushes so they are not seated properly on the motor's armature. See the illustration below:
ecc681e.jpg
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, the brush 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 KSM90P mixer falls within this manual), and select the last file KSM90PSWW0.pdf (354.08 KB) listed under Parts List (16) 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 32, Brush holder assembly that includes #18, 21, 22, 23, & 31 which is the brush holder insert, and Illus. No. 19, 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

Jan 30, 2010 | KitchenAid KSM90 Ultra Power Series Stand...

1 Answer

KitchenAid K5sswh mixer after replacing plastic gear-no power


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:
cb20d79.jpg
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

Jan 29, 2010 | Food Mixers

2 Answers

Kichenaid Mixer K5SS Electrical Problem - All gears have been removed. Motor shaft turns easily. With speed lever in off position, 0 volts go to motor via red and white wires. With lever in any other speed...


I had this problem also: power to the motor, motor not running.

Solution was simple: remove the 2 stators things from the sides of the main housing, clean all the black dust off them, re-insert and everything works fine.

The dust problem is similar to model train sets that I had as a kid at Christmas, the black dust acts as an insulator, preventing power from travelling between two metal parts that you'd think otherwise would conduct.

Aug 26, 2009 | KitchenAid Food Mixers

1 Answer

KitchenAid Mixer stopped working after I took the black screws on the side out. Thought that I put it back in right with the springs. Maybe I didn't. What could have happened? Thanks Nancy


The brushes must be insert in a particular manner in order for it to work correctly. If you remove the brushes and shine a flashlight into the hole, you should see a small detent or "stop" in one corner of the hole. Its a square hole. Match this corner with the corner of the brush which is shaved off. The brush is not square; it has one corner shaved or smoothed down. This allows the brush to fully extend into the hole. If the brush is inserted any other way, it will not contact the motor and will not run.

Apr 24, 2009 | KitchenAid K45SS Classic Stand Mixer

1 Answer

Kitchenaid 350 stand mixer power problems


I'd check the brushes. The big black screws on the side of the motor casing, easily removed, but becareful when you put them back. Here were some instructions from another site that helped me get them back in right:
The brushes in my model KP50PSBU must be insert in a particular manner in order for it to work correctly. If you remove the brushes and shine a flashlight into the hole, you should see a small detent or "stop" in one corner of the hole. Its a square hole. Match this corner with the corner of the brush which is shaved off. The brush is not square; it has one corner shaved or smoothed down. This allows the brush to fully extend into the hole. If the brush is inserted any other way, it will not contact the motor and will not run.

Jun 01, 2008 | KitchenAid KSM50PR Professional Series...

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