Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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I have problems with the torsion spring

I do not how to replace it correctly

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The springs are very dangerous to mess with the best idea is to get a professional.

Posted on Jan 31, 2009

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1 Answer

Door well close but not open


This could be a broken torsion spring. See link below to see what a broken one looks like.
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Torsion spring is broken for our liftmaster 2265R model garage door opener and i need a new one where do you buy one?


Here are instructions for replacing the spring. You can call any local garage door company and they will sell you the springs. I absolutely don't recommend this job for a DIY'er. It is dangerous.

http://ddmgaragedoors.com/diy-instructions/replace-garage-door-torsion-springs.php

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My Liftmaster Formula 1 garage door opener has started to shut unevenly, making one side of the closed door slightly higher than the other. This leaves a gap under the closed door on one side. The door...


my friend had the same problem and yes that is what we did. It took a wile to set it evenly. Wouldn't think it would take long but it did. We inadvertently set them to tight and door wouldn't close it would reverse on itself because of the added tension. In the end we did get it though.

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What locks in the left and right torsion springs


the proper set up on thre bar which hols thr springs is plate lock handle part 107-3946 then the right hand torsion spring 108-0953,make sure the spring hooks over the plate lock, then left hand torsion spring then bar slides through left hand hole and lever release 40-1823-03 attaches to end of bar with a set screw

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Broken torsion spring needs to be replaced


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.

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Dec 24, 2008 | KitchenAid KHMS147HS Microwave Oven

4 Answers

Kitchenaid Microwave torsion spring replacement


I just replaced torsion spring 4452396 on my microwave. We heard a "pop" and then the door got heavy. here are a couple things I learned...THE HARD WAY!
We had the stainless steel front to the door and needed spring 4452396, not 4451008. The stainless steel door is heavier so therefore a stiffer spring. I'm not sure i could justify the 4x cost in the part...but that's just the way it is. It's a bit of a pain to repair the thing..so it's worth it to get the correct spring. You don't wan to be doing this every couple of of months!
You have to remove the front panel of the door to access the springs. there are 2 of them...they cross each other in an "x" pattern on the lower part of the door. We had to pull the unit out a bit to get the spring in the hole for correct position. No need to remove the door etc. If you need help with this...email me.
My mistake was when I was trying to figure out how to gain access to the springs I assumed you did from the inside of the door. I removed the two black things you see on the lower right/left of the door (screw on the bottom of them) then proceeded to remove the two recessed screws on the inside top corners of the door. Well next thing i know.....CRASH! the whole front of the door fell off and shattered! Come to find out those screws and brackets on the bottom hold the face of the door on. The glass is intergrated into the color panel of the door..so it's one piece! 150.00 later and a new piece of glass/panel i learned a hard lesson.
Let me know if you need help...it's fairly easy to do now that I look back on it. dave dlacki@gmail.com

May 14, 2008 | KitchenAid Architect Series KEMC308KSS...

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