Question about KitchenAid KSM90 Ultra Power Series Stand Mixer

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Can it be repaired?

Hi,
I was fixing my mixer because it would not turn off. Well, I was learning how in the process and I did not know what the little black screws were on the side of it..brush fittings...Well, when I finally figured out how they went back in (after many times of unplugging and plugging in) I forgot that the mixer was plugged in and it made a big spark and broke part of the spring off. The spring is still long enough to touch and has a little pressure. I am wondering if I fried my mixer. How sad.
It is a ksm90pswh. Thanks

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  • Justbeck101 May 26, 2009

    I did end up fixing this mixer. I bought new brush fittings and replaced them. It works again!

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Hi have a nice day
Have a look at link below for step by step repair procedure of a food mixer.
http://home.howstuffworks.com/how-to-repair-small-appliances4.htm
Does it help?

Posted on Feb 23, 2008

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My mixer seems to leak once in a while a light tan colour liquid from where you put the mixers in the round chrome ring around that on the inside.


Your mixer has a vegetable based lubricating grease in it, that grease can separate from time to time. One way is non use the other way is end of life from normal use.

If you do not use your mixer regularly, get a towel and put it on the counter, get your mixer and turn it upside down on the towel (to protect the finish) turn the mixer on while holding up the mixer (balance it) run the mixer for 2 minutes on speed 6, shut it off and turn the mixer rite side up and turn on again for 2 minutes, then repeat the process at least once. If your mixer continues to leak your lubricant is at end of life and it needs to be replaced along with a new motor housing gasket. KA will service it for you for about $100 dollars, you can do it yourself but it requires a full tear down of the mixer, you may have an "after warranty" service tech in your area but you will have to look for small appliance repair shops. If you do it yourself it will cost you about $20.00 bucks and a roll of paper towels as it is really messy. There are videos on utube that will show you how. The process I described above is a simple re-mix of your existing grease and in at least 60% of mixers I have repaired this is the problem with leaky oil / grease, it will last two or three years before it starts to leak again, longer if you do not use your mixer much, The grease is food safe and will not hurt you or anybody that may eat a recipe that might have a drop in it. But yes; I know it isn't really appealing to have grease dripping in your cooking. So the first thing to do is try and remix your existing grease, then try baking with it, if the drip has stopped your OK for a few years. If not you need to re-pack the grease and change the gasket.


Also the existing gasket is fiber and when the machine is put together the screws that hold the upper and lower motor housing parts together is not torqued down very hard (that is intentional on KA's part), the weight of the upper motor housing is about ten pounds and after years of having the mixer sit on top of the gasket it compresses and allows the grease liquid, (once it separates), to leak out and to get all over the place.


If you do decide to take your mixer apart you might try to just tighten up the screws that hold the two pieces together and try the re-mix process, that solution works on about 20% of all mixers I have repaired. Do this if you don't want to spend the 20 bucks on parts and grease. Let us know if this helped.

Mar 17, 2013 | KitchenAid K45SS Classic Stand Mixer

1 Answer

Laid down kitchen aid mixer for a couple of hours leaked a little oil


Your mixer has a vegetable based lubricating grease in it, that grease can separate from time to time. One way is non use the other way is end of life from normal use.

If you do not use your mixer regularly, get a towel and put it on the counter, get your mixer and turn it upside down on the towel (to protect the finish) turn the mixer on while holding up the mixer (balance it) run the mixer for 2 minutes on speed 6, shut it off and turn the mixer rite side up and turn on again for 2 minutes, then repeat the process at least once. If your mixer continues to leak your lubricant is at end of life and it needs to be replaced along with a new motor housing gasket. KA will service it for you for about $100 dollars, you can do it yourself but it requires a full tear down of the mixer, you may have an "after warranty" service tech in your area but you will have to look for small appliance repair shops. If you do it yourself it will cost you about $20.00 bucks and a roll of paper towels as it is really messy. There are videos on utube that will show you how. The process I described above is a simple re-mix of your existing grease and in at least 60% of mixers I have repaired this is the problem with leaky oil / grease, it will last two or three years before it starts to leak again, longer if you do not use your mixer much, The grease is food safe and will not hurt you or anybody that may eat a recipe that might have a drop in it. But yes; I know it isn't really appealing to have grease dripping in your cooking. So the first thing to do is try and remix your existing grease, then try baking with it, if the drip has stopped your OK for a few years. If not you need to re-pack the grease and change the gasket.


Also the existing gasket is fiber and when the machine is put together the screws that hold the upper and lower motor housing parts together is not torqued down very hard (that is intentional on KA's part), the weight of the upper motor housing is about ten pounds and after years of having the mixer sit on top of the gasket it compresses and allows the grease liquid, (once it separates), to leak out and to get all over the place.


If you do decide to take your mixer apart you might try to just tighten up the screws that hold the two pieces together and try the re-mix process, that solution works on about 20% of all mixers I have repaired. Do this if you don't want to spend the 20 bucks on parts and grease. Let us know if this helped.

Oct 19, 2012 | KitchenAid K45SS Classic Stand Mixer

1 Answer

Have a kitchenaid stand mixer Model # KP26N9XER the attachment hub is not turning correctly it only turns a liitle at a time with a thumping sound. Opened up looked at the gears and their are bits of metal...


Obtain a copy of the Repair Part List for your model from Kitchenaid.com
Download the Service Manual :
http://www.kitchenaidparts.be/centers/servicemanual/mixer.pdf

It is not exactly for your model but you can learn a lot from it.
Open up your mixer. Get rid of all the grease. Replace the Worm Gear.
Use fresh Kitchenaid Food Grade Grease on all gears.

Caution: Do not use a screwdriver to pry out the Planetary Assembly.

Jun 20, 2011 | KitchenAid ProLine 600 Stand Mixer

2 Answers

We have a Cuisinart Hand Mixer Model # HM70 and the Beaters do not stay in the mixer holes. Can this be fixed in any way? Jack


Cuisinart hand mixers are not repairable. You can buy replacement accessories like beaters, but you can't buy any internal replacement parts.

I have a Cuisinart HM-70 and I stripped the plastic gears inside by trying to mix a really thick dough. It was easy to open and get to the plastic gears. When I called Cuisinart to try to get replacement gears, they said that they don't sell replacement parts and their hand mixers are not repairable. I looked all over the internet and no one sells internal parts.

Unless your mixer is still under warranty, I believe that you're out of luck and your mixer is headed to the electronics recycle pile.

Most handmixers today are sold with plastic gears - including high end brands like Viking. For me the lesson learned is to buy low end hand mixers (don't buy a top of the line 9 speed mixer) and treat them like they're disposable when they break.

Dec 03, 2010 | Cuisinart HM-70 220 Watts Hand Mixer

2 Answers

When I turn my mixer on, grease drips/runs out


Hi BAKLAENE. Sorry to hear about your mixer’s leaking grease (oil) from your planetary/agitator shaft (‘metal finger’). It can be a distressing sight, but there’s no need to panic.
If the amount of oil found leaking is small and if your mixer otherwise works normally with the missing oil you really don’t need to take your mixer apart to ‘fix’ it. The good news, though, is that you can take the mixer apart and 'fix' it, if you feel it is necessary.
The internal gears are factory packed with enough grease to last a 'lifetime', whatever that means? Depending on the age of your mixer – 6 years, where it’s been stored and how heavily it’s been used; these factors all will eventually cause the grease’s base oil to separate from its hardening additives, with the resultant oil seeping from openings beyond the gasket and “O”-ring and generally follow the path of least resistance down to the lowest point, i.e., the agitator shaft. Gravity can be very insidious.
What should you do? For starts just clean your agitator shaft and pedestal with a sponge and hot, soapy water (DO NOT immerse your mixer in a sink of hot soapy water, though!).
The inspection and troubleshooting of the inside of your mixer is a DITY capability, particularly if your mixer is out of warranty, which it is. 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: 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 KSM90P, and select one of the files listed under Parts List (check to see it this matches your mixer model).
Turn to pages 4 & 5, titled “Case, Gearing and Planetary Unit”, which provides and exploded view for the disassembly and reassembly of your mixer, along with all the parts. Locate Illus. Nos. 18 and 32. For starters you may want to order these replacement parts: Transmission Case Gasket (Part # 4162324) and “O”-Ring (Part # 67500-00), along with gear grease. Look for a ‘food-grade’ grease (Lithium grease is white, although the original grease is vanilla extract colored - a very good description, BTW).
Here are five potential 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.
Also, 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 KA 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, repair, re-grease and reassemble your mixer.
Finally, if you feel this is beyond your capabilities and will be too difficult to do by yourself you can take your mixer to a local small appliance repair shop and have them troubleshoot and fix your mixer. KA Customer Care can provide you with the name and phone # of the closest authorized KA repair shop in your area or you can do a Online web search, but be sure to get at least three estimates before deciding to commit to one repair shop.
Good luck. I hope this helps. Howard, Burke, VA
If this solution has helped you, please rate it, thanks! – hslincoln

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2 Answers

My sunbeam mixmaster blades wont turn but the motor is on?


Hi, GLENNHOLD148 - With a motor that runs and the blades do not turn, it appears that your mixer's suffered a mechanical failure in the mixers transmission. I don't know if your mixer is under warranty, but I suspect like any small appliance the warranty's only good for a year, and you've probably had it much longer than that. That leaves with with three options; purchase a replacement (Sunbeam and the economy would appreciate that!), take it to a local authorized Sunbeam repair shop, and finally attempt to repair the transmission yourself (DITY repair). The later can be most gratifying, however, sadly, Sunbeam doesn't provide Parts List manuals like some other mixer brands, e.g.; Kitchenaid, so I can only suggest Option 1 or 2. I wish I could offer you more help. Hopefully this will help point you in the right direction. Howard - Burke, VA
If this solution has helped, please rate it, thanks! - hslincoln

Nov 30, 2009 | Sunbeam 2370 MixMaster Series Stand Mixer

3 Answers

KitchenAid 600, Stand Mixer - Loud grinding noise, happened when mixing bread dough. When bowl is lowered (dough hook disengaged)....no noise, hook turns. When bowl is raised so that hook engages dough,...


Hi. Stop using your mixer. If your mixer is still covered by warranty, call Kitchenaid Customer Service, they are very good with warranty repairs.

If your mixer is out of warranty, remove the silver band that surrounds the top of mixer. Remove the top cover. At the front of the mixer, locate the transmission housing which is now exposed. Examine this housing carefully for cracks. If you find cracks anywhere in this housing, you have found the under-engineered plastic transmission housing. Kitchenaid's replacement housing is made of metal. Your plastic housing has no business being in a mixer that is marketed as being able to mix bread dough. It cannot!

If you're confident that you can make the repairs yourself, go to the Kitchenaid website and download the parts drawings. Remove the Trans. housing, remove the worm gear shaft assembly which is driven by the motor.. Remove and save as much grease as necessary to thoroughly inspect the worm gear. Inspect the worm shaft bearings. Look for cracks, or missing pieces on the bearings. Look for crunched cogs on all gears. Be prepared to wait at least a month for your parts to arrive after you order them. The replacement grease should be Shell Darina 2, or Chevron FM ALC EP 2.

If you're not confident about repairing this yourself, call Kitchenaid and determine the nearest "approved" repair shop.

You may be able to pressure Kitchenaid to pay for the damaged parts in your mixer. They are still installing these plastic Trans. housing on new mixers. Insist on a metal cover when replacing. Apparently, Kitchenaid feels no shame in their manufacturing process, and will not issue a recall notice for these housings. They are substandard at best.

If you found this solution helpful, please rate it. Good luck! ricardok45.

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2 Answers

Service parts list of hobart mixer a120


There is a website called onesharpstore.com that specializes in food processing appliance parts. I saw the hobart model 1812 listed there just today (03/07/09). They even have a number you can call direct. 772-770-4383.

Jan 20, 2009 | Hobart D300 Stand Mixer

1 Answer

Mixer stopped turning when I was making bread


You probably have stripped the gear in the head section. It can be replaced, but I would consider this a advanced repair since you need to push steel pins out of the shafts to replace the gears. Use google to find a local repair shop, or fix it yourself if your mechanically inclined, parts are available online (and not that expensive).

Sep 26, 2008 | KitchenAid KP2671 Professional 6 Series...

5 Answers

Kitchenaid mixer speed


I would recommend that you first check the Hall Effect sensor which determines the mixer’s speed.  I had this exact problem and I actually went out and bought another Hall sensor for about $13.  I replaced the original sensor and made sure that the connection between the sensor and control board was nice and snug. My mixer worked as good as new! But I was curious to know if my original sensor was defective, so I put it back in mixer and again made sure all of the connections were snug and tight. Guess what?  My original sensor also made my mixer work!  There was nothing wrong with the original Hall Effect sensor except that the connection between the control board and sensor was not tight--unfortunately I didn't check the connection before I decided to buy another sensor. My guess is that the connection between the control board and the sensor probably loosens or comes undone over time from use and vibrations. To fix your problem:
1.  Download the mixer parts and diagrams from the Kitchenaid website to see what the Hall Effect sensor looks like. BTW the part number is 9703312.

2.  You'll need a phillips head screwdriver to open up the mixer gear case cover.
3.  Make sure that the connection between the control board and sensor is absolutely tight and snug.
4.  Also, make sure that the orientation of the sensor is correct.  It's difficult to tell which way the sensor should be connected because the control board has three prongs and the sensor can attach facing up or down. After you've made the connection, run the mixer. If it still doesn't work, disconnect the sensor, reconnect it with the prongs facing the opposite direction and try it again.  I actually found the right sensor orientation through a little trial and error.  But by going through this trial and error, I also had my Eureka moment when I realized that the original sensor probably would also work if it were reconnected with correct orientation.  
5.  This whole process probably takes about 10-15 minutes to perform.
6.  Finally, use your common sense and make sure to unplug the mixer before checking, connecting or disconnecting anything.

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