Question about KitchenAid K45SS Classic Stand Mixer

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How can i disassemble my mixer to pull out a broken motor brush?

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The mixer body is mostly a tube. You take the rear off, and the band with the name on it, you should see a 4 screws.

Posted on Nov 30, 2008

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Mixer will not turn on


Check to see if the motor brushes are worn or not sliding freely; you can do this without taking the mixer apart. On either side of the main mixer body, you should see a plastic screw-cap ~1/4" diameter. Take each off, and you should find a small black graphite (ish) chamfered block connected to the end of the spring. If the block is damaged, or even stuck when trying to pull it out, that's your problem. That is what happened to me. To fix, I used a pin to pry out the stuck brush/spring, then scraped around the inside to remove sticky debris. Also, I used a utility knife and gently shaved the sides of the block, so they'd slide more easily. After a few tests for smooth sliding, I reinstalled e brushes and the motor spins as normal. Best part: it was a FREE fix, and I didn't have to disassemble much! Do a search on YouTube for "kitchen aid mixer brushes", and you should find a helpful video from 'ereplacement parts'. Good luck!

Jun 27, 2012 | KitchenAid KSM150PS Artisan Series Stand...

1 Answer

I have a KitchenAid mixer Model K5SS, Ser #W83808959. The motor stopped running and in checking the brushes, I found they are are both stuck in the brush holders. I suspect this is the reason the motor...


Download a Copy of the Kitchenaid Service manual.

http://www.kitchenaidparts.be/centers/servicemanual/mixer.pdf

You may have to remove the Motor Housing and use a small screwdiver
to completely remove the brushes or all portions of them if they are broken.

Jul 30, 2011 | KitchenAid K45SS Classic Stand Mixer

1 Answer

I removed one of the brushes on my KitchenAid K45SS, cleaned it and the motor started (it had died)- so far so good. Then I tried to remove the second brush, assuming it also needs cleaning, but the...


depending on how deep and how stuck it is there is a possible way to pull it out; add a tiny dot of crazy glue to the end of a wooden skewer or chopstick and hold it until it dries. It can then be pulled out ..sometimes. I have had brushes stick and (if the motor worked) just left them alone rather than go into full disassembly mode.

The first method is not ideal, but a little easier than drilling a tap hole in the back of the brush and pulling it out with a screw extractor.
Good luck with your project,
Farmerbear ay FixYa.com

Sep 11, 2010 | KitchenAid K45SS Classic Stand Mixer

1 Answer

I took off the back cap of a 300 mixer. then pulled out the motor brushes. put it back together and now it wont run. What am i missing?


Hi, KIMAMABELL, While working on your mixer be sure 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, KSM90P, and select one of the files listed under Parts List (check to see it 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 that includes #18, 20, 21, 22, 23, and 31 which is the brush holder and brush & Spring assembly respectively.
The brushes need to be installed so that they both seat correctly on the armature's commutator and it’s possible when you reinstalled them, one or both brushes were turned incorrectly.
The illustration below shows the correct orientation of the brushes and should allow you to reinstall them with confidence.

0879ff8.jpg

Here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer for your future referennce.
Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer.
Good luck! I hope this helps. Howard, Burke, VA
If this solution has been helpful to you, please rate it, thanks! - hslincoln

Apr 29, 2010 | KitchenAid KSM90 Ultra Power Series Stand...

1 Answer

My k5ss mixer will not start ,I remove the 2 screw on each side of the head, i put them back and now it wont start


Hi DENAULTR, I hate it when that happens. Those two “screws”’ are your mixer’s electric motor brushes. The slotted black threaded plastic parts are just the Brush Holder Caps and are the protective covers to the brush holder assemblies. They allow access to the brushes when they need to be replaced without having to take the whole mixer head apart.
From what you’ve described, 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:
9218969.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 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 part names and numbers. Locate Illus No 47, Brush holder assembly that includes Illus. Nos. #28, 32, 33, 34, & 46, and Illus. No. 29, 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 26, 2010 | KitchenAid K5SS Heavy Duty Commercial...

1 Answer

Do the brushes need to be flat


Hi GWILSON622, from the symptoms you describe 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? The brushes need to be installed so that they both seat correctly on the armature's commutator. See the illustration below:
0c6a56f.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 wont' seat properly.
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, KSM90P, and select the file, KSM90PSWH0.pdf (354.08 KB) listed under Parts List (16) (check to see it 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 that includes #18, 20, 21, 22, 23, and 31 which is the brush holder and brush & Spring assembly respectively. This illustration along with my initial reply regarding the orientation of the brushes should allow you to reinstall your replacements with confidence.
While your mixer is apart it would be ideal to check for any other unseemly wear and tear on the gears, etc. It can be messy but quite gratifying to diagnose and repair your mixer yourself.
Here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer.
Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer. Good luck! I hope this helps. Howard, Burke, VA
If this solution has been helpful to you, please rate it, thanks! -hslincoln

Jan 26, 2010 | KitchenAid KSM90 Ultra Power Series Stand...

1 Answer

Is there a site that shows which way the motor brushes go back in?


Hi, ROSANA73, Yes the brushes need to be installed so that they both seat correctly on the armature's commutator.
29a53a1.jpg

Just be sure 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 Part’. Locate Illus. Nos. 47, Brush Holder, which shows the order the brush assembly is installed.
If a part has broken and needs to be replaced, here are five potential online vendors in no particular order: RepairClinic.com; mendingshed.com; searspartsdirect.com; partstore.com; and Grainger.com. Prices can vary widely between vendors, so do your comparison shopping.
It can be messy but quite gratifying to diagnose and repair your mixer yourself.
Finally, here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer. The mixers displayed in the links are different KA models, but the principles are the same.
Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer, should you decide to go that route.
If you feel troubleshooting and repairing is beyond your capability, then I would seek out a local small appliance repair shop in your area. KA Customer Care can give you names of local KA authorized repair shops in your area, but you can also do an online search to supplement what KA may provide you. Call to explain your circumstances and find out their hourly rate and get an estimate of what they think it would cost to repair your mixer. Also, always obtain three or more estimates – do some comparison shopping.
Good luck and have fun. I hope this helps. Howard, Burke, VA
If this solution was helpful, please rate it, thanks! – hslincoln

Dec 21, 2009 | KitchenAid K5SS Heavy Duty Commercial...

1 Answer

How does the replacement brushes go back in? Do they need to go in a certain way?


Hi, FIVESTINNETT, Yes the brushes need to be installed so that they both seat correctly on the armature's commutator. See the illustration below.
1331107.jpg It would be helpful to have the Parts List manual on hand. If you're lacking one you can easily 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, KSM90P, and select one of the files listed under Parts List (check to see it 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 that includes #18, 20, 21, 22, 23, and 31 which is the brush holder and brush & Spring assembly respectively. This illustration along with my initial reply regarding the orientation of the brushes should allow you to reinstall your replacements with confidence.
While your mixer is apart it would be ideal to check for any other unseemly wear and tear on the gears, etc. It can be messy but quite gratifying to diagnose and repair your mixer yourself.
Here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer.
Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer.
Good luck! I hope this helps. Howard, Burke, VA
If this solution has been helpful to you, please rate it, thanks! -hslincoln

Dec 08, 2009 | KitchenAid KSM90 Ultra Power Series Stand...

2 Answers

I have disassembled my K5SS Kitchen Aid mixe with all gears removed in order to solve its electrical problem. When I plug in the motor and move the speed lever, there is no movement or sound of the motor...


Unless it sits at the back of the motor behind the vent cover. I couldn't find one anywhere on ours either. Check the motor brushes for broken or badly worn carbons, or collapsed springs. It could be a broken wire at the plug end or something wrong with the speed switch. Some strategic voltmeter sleuthing is required. Try turning the motor shaft while the power is on. It may have a dead commutator segment.

Aug 25, 2009 | KitchenAid K5SS Heavy Duty Commercial...

1 Answer

I have an old sunbeam mixmaster that trips the safety switch


Zaczac,
There are two probable causes for this. One is that the insulation in the motor has broken down. This is definitely an unsafe condition, and unless you are a motor repair specialist there is nothing you can do.
The other cause is an accumulation of graphite around the brush holders. Fixing this would require pulling down the motor and cleaning the graphite away. This usually happens with motors that have done a lot of work.
It is normal that by the time the brushes have worn so much that the dust causes shorting the motor needs to be serviced.

Read this to understand what is required to pull the motor down and to reset the speed control:

http://www.fixya.com/support/t2208012-sunbeam_mixmaster_12_speed_may_need

Just cleaning the motor housing out thoroughly may get the machine running. I make no guarantees though. If the motor insulation is failing the motor will remain unsafe.

Apr 24, 2008 | Sunbeam 275 Watts 2369 MixMaster Series...

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