Question about KitchenAid K45SS Classic Stand Mixer

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My mixer is about 15 years old works well except

My mixer is about 15 years old works well except it growls at slow speed

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Hi BCPSBT. You say your mixer growls at slow speed. It could be that it’s time for an oil (lubrication) change. KA packs your mixer’s transmission with enough grease to ‘last a lifetime’, but depending on the age (in this case a middle-age appliance) and usage (you don’t indicate) of your mixer the grease breaks down into its constituent parts: oil and additives. Over time, the additives will thicken and provide less lubrication to the transmission gears and this is probably what is occurring now.
If you are DITY type person, feel adventurous, and your mixer is not under warranty you can troubleshoot it yourself. Be sure you have the Parts List manual on hand. If you are lacking one, you can download it from the KA website http://www.kitchenaid.com/flash.cmd?/#/page/home.
Click on Customer Care>Locate Manuals & Guides> and select “Consumer” for User Type, then enter the 6 character Model Number, in your case use K45SSW select Parts List (1) and then check to see it this matches your mixer model.
Turn to pages 4 & 5 for the disassembly and reassembly of your mixer, along with all the parts. For starters, you should consider reordering the gasket (Illus. No 19) and O-ring (Illus. No 34). With the mixer apart and transmission exposed, you should be able to confirm how well the lubrication grease is distributed and doing its job. Also, once apart you can check for any other unseemly wear and tear on the gears, including the planetary and agitator shaft gears.
When you re-grease the gears and assemblies, you should use a food-grade grease that you can order online (although I’ve seen automotive bearing grease used too – your call).
As far as parts go, here are five potential online vendors in no particular order: RepairClinic.com; mendingshed.com; searspartsdirect.com; partstore.com and Grainger.com (for grease). Prices can vary widely between vendors, so do some comparison shopping.
Finally, here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer.

Between these three websites, their excellent pictures, 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.
Good luck and have fun. I hope this helps. Howard, Burke, VA
If this solution was helpful, please rate it, thanks! – hslincoln

Posted on May 06, 2010

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There can only be three things:
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Open machine and look at these three components. First one is easy fix, you take one out and replace it with another, others two are cul de sac, I am afraid.

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Sounds like a problem we had years ago. We put too much pressure on the motor by mixing a very thick dough for cookies. It stripped the "gears" and couldn't be used on slow.... it would instantly go to the fastest speed. We had to take it to a reputable appliance store that does repairs on KitchenAid products. I'm still using mine and that has been 15 years ago. It still works great!!

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Hi . Chevron FM ALC EP-2 grease is what you need for the lubricant. This has a Mineral Oil base, allowing for it to, at some time, drip into whatever it is that you mix without concern for your health. From what I can, tell this is the only thing that needs to be done. Clean out as much of the old grease as possible.

Goto www.mendingshed.com and download for free a Kitchenaid Service Manual that will cover your mixer.

If this solution has assisted you, please rate it. Good luck! ricardok45

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1 Answer

Sunbeam 2346


I just did it. Get your digital camera and take pictures along the way so you'll know how to reassemble it.
On the front of the mixer, there is a chrome Sunbeam sticker. Use a pocket knife, slide it under the sticker and pry/peal it off. Then you will see a single screw that goes into the guts of the mixer. Unscrew it and remove the front of the mixer. You'll then see two screws that keep the top of the mixer on. Remove those and you can undo the top housing.
You take off the back of the mixer in a similar manner. Use a screwdriver to pry off the chrome cap on the back, then remove the single screw and the speed control will come off.
The gear box just above the blades is a potential area for the growling. It is pewter colored metal held in place by four screws. Clean out the old grease and replace with new (NOT oil, grease, like axle grease or lithium grease).
Use a toothbrush to get the old dust and flour off the innards of the machine. I also used a can of compressed air to blow it out and sprayed the electrical contacts of the motor with WD40.
Mine works like a champ now. Took about an hour.

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