Question about KitchenAid KHMS147HS Microwave Oven

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Broken torsion spring needs to be replaced

On a Kitchenaid KEMC308KSS01 microwave with the door hinged at the bottom of the unit, the broken torsion spring needs replacement. How is the door disassembled to get to the spring? On the Kitchenaid drawing, there appears to be 2 springs; can that be correct? This is a built-in microwave/oven combo; does the unit need to be removed from the cabinet to remove the microwave door? Any help would be greatly appreciated.

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  • Anonymous Mar 30, 2014

    The light inside the microwave does not work. I have reviewed the manual and can't seem to find anything on how to replace this. It does not come on when you open the door or while it is running.



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There are indeed two springs that "cross" each other, and they must be both be replaced to ensure full strength.

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the previously hidden screws you need to remove.

Or you can watch a YouTube video (not a video I made) that demonstrates how it's done.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Broken torsion spring needs to be replaced - ac95a3f.jpg

Posted on Dec 25, 2008


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How to change the torsion springs in my kitchenaid microwave oven KEMC308KSS01

Replacing the spring isn't very difficult if you're mechanically inclined.
You're basically removing a few screws, the front panel of the door is removed exposing only the glass part that's still hinged. The springs are exposed. Hopefully one spring is still in tack so you can see the orientation of how to put the replacement in. It's not very intuitive on how to do this part.

Check this link for more details:

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Is this a combination built-in oven with microwave on top? And is this microwave one in which the door opens downward like a regular oven? If so, then this is a common problem for this oven/microwave combo, but replacing the spring is not a job for amatures. It takes a professional 45 minutes typically to do this job. It involves removing trim pieces, removing screws that hold the microwave oven in place, pulling the microwave out a couple of inches, and taking the door apart to get to the 2 torsion-bar springs. Replacing them is quite tricky, as is re-assembling the door. I recommend calling Sears Service (1-800-469-4663) to get a seasoned repairman to come out and fix your oven/microwave. Cost will probably be between $180 to $200.

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If one of your door springs has failed, you will need to replace both, as well as any associated hardware that has failed.

You can find links to helpful exploded view diagrams and part ordering help here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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As I suspected, there are 2 torsion springs in the unit associated with the door. Sounds like one or both has broken or come out of place.

That prevents one or more door switches from being activated properly, and such excessive or intermittent switching can damage the switch, resulting in a lack of heating.

While I didn't find service data on your specific model, model KBMC140HBL0 is similar, and you can see helpful exploded view diagrams of it:

There should also be a "mini-manual" either on the rear of the unit or hidden inside the unit behind the control panel, which is very helpful when troubleshooting.

Unless you or someone you know want to tackle it, I'd say you should call for service.

Their contact info is here:

Good luck.

We're happy to help and we appreciate your thoughtful rating of our answer.

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