Question about KitchenAid KSM90 Ultra Power Series Stand Mixer
I called KitchenAid about this issue with my mixer. The agent on the phone told me they are aware that it tends to happen to some mixers after they sit for some time. Basically, a "lifetime" of grease has been packed into the assembly and it is normal for it to release grease on occasion. I was told to run the mixer at 10 for at least 2 minutes to get it going and I should see a reduction in the oil leak. I had about a tablespoon worth of oil dripping down off the assembly. I was told that if over time it seemed to amount to about 1/4 cup then I should call to see about repairs due to a potentially bad seal. I was also told that the repair for that would most likely NOT cost the same as a new appliance.
This is the end seal of the motor, you can get parts from manufacturer. you will need a service manual, OR go to the manufacturers web site and contact them.
The oil leaks when the grease has broken down. One way to fix this is to take the mixer apart. Click on link to see how.
Clean the old grease out and google (KitchenAid mixer grease) and you'll find new grease on amazon for around $17.
Repack and it should be as good as new.
Posted on Apr 28, 2011
The output shaft seal needs to be replaced
Parts for yours can be found here below by clicking on to this link
Posted on Apr 28, 2011
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Posted on Jan 02, 2017
SOURCE: Mixer leaking oil
I have the same problem. It is not oil, but the oil residue from the grease that surrounds the gear box. There is a very heavy grease that is wrapped around the gears. I am assuming that the leak is the broken down grease that seeped out from the gasket. Here is what I did: Remove the chrome ring(pound down on it gently, it will come off very easily) remove the pin on the shaft. Clean all the oil out of the assembly. Remove the motor cover. Remove all the screws from the large gear(about 5 of them)this will allow ou to pull the top of the mixer off. There are 2 screws holding the band around the mixer, remove them. There are 4 screws holding the top of the mixer to the bottom, remove them. You should be able to lift the top of the mixer off. Remove the black gasket, inspect it for cracks. I cleaned mine and put the same one back on. I thing all that was wrong was the screws were loose letting the grease leak out. It runs fine now. no leaks yet. You will find all the diagrams at this web site: http://www.appliancepartspros.com/partsearch/model.aspx?model_id=239812
Posted on Dec 18, 2006
First off -- if it's still under warrantee, you'll want to go to kitchenaid.com and find the nearest service center. The next thing I say starts with "void the warrantee" steps. :)
It's very simple to open a stand mixer to see if you've got a simple problem or a bad one.
Follow the aluminum "Kitchen Aid" band to the back of the unit, there's one main screw. Remove this, and set it aside with the band which should come right off at this point.
Now, there should be two screws on each side of the unit where the band used to be. Remove each of these. They're all identical, so no worries if you mix them up.
Now you can lift the top off of the unit and see inside. The motor is at the back of the unit, the gear box at the front is where the oil is coming from. Try (GENTLY) to tighten the screws that hold the gearbox together. With a little luck, the gearbox screws had come loose and it was oozing oil out through the seals. If they're all firm, then you've got more serious problems and you'll want to find a service center for it.
Posted on Aug 03, 2009
DEFINITELY contact the manufacturer (Hobart) on that one. Sounds like you're having some sort of an internal problem with it (something might be cracked), and in this situation, the best way to go is to contact the manufacturer rather than try to repair it yourself. If you're still under warranty, and you try to open the machine up to fix it yourself, you could wind up VOIDING the warranty, and if you're out of warranty, most repair places won't touch a machine that you've messed with already--too much of a liability.
Just give Hobart a call, and they should be able to help you (if you're in warranty, sometimes even for free!). Their phone number (according to their website, www.hobartcorp.com ) is 1-888-4HOBART (1-888-446-2278)
Good luck! :)
Posted on Aug 27, 2009
KitchenAid uses a grease in the transmission, and anything that may drip from the transmission will be very low in quantity.
If you want to disassemble, clean, and re-grease to remove the liquid part that has weeped out of the existing grease, do so with a food safe grease.
Posted on Dec 21, 2009
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