Safety reverse system not working

catherinetMarch 9, 2010

We are getting ready for an inspection before selling our condo. We have sunk sooooo much money into this place, with a total remodel. We're hoping to squeak by with the old garage door. Real estate agent said to make sure the safety mechanism works. Well, it doesn't.

Is this something we can fix ourselves or do we need a professional?

The door and the opener are probably about 30 years old and hasn't been serviced in a very long time. I wasn't sure doors that old even had a safety feature, but it is mentioned in the instruction booklet.

Its a Sear's door opener.

Thanks for your suggestions.

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don_1_2006

It's scary. You say it is about 30 years old and you still have the instruction booklet. That's unheard of. Please post the model number - that will help.

    Bookmark   March 9, 2010 at 4:21PM
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catherinet

Yes, we still have the original instruction manual......but its in hieroglyphics. :)
Its a Sears and the model number is 139.53200

    Bookmark   March 9, 2010 at 4:41PM
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don_1_2006

I looked up your manual and the instructions you want are on page 30. With pictures. Step 4 is what you need.

One of the statements is "The door must reverse on striking the obstruction." This is a little misleading. The door actually stops on the obstruction momentarily and then reverses to the open position. If you follow these instructions and it doesn't reverse you will need help. You must live in California. I haven't heard of anywhere else that the realtor advises this.

    Bookmark   March 9, 2010 at 5:11PM
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catherinet

Thanks Don,
Actually, my manual says to put something that is 1" high on the ground and see if the door reverses when it hits it.
But....don't we want it to reverse if any upward pressure is put on the door anytime during its downward trek? That's how I was testing it yesterday. I would press the button to lower it and then run over to it and try to stop it with my hand. Maybe I have a misconception about how this works. But if the strength of my hand/arm couldn't stop it.......couldn't it still hurt something/somebody?

    Bookmark   March 10, 2010 at 7:21AM
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don_1_2006

What you are doing is correct but it does press down pretty hard before reversing. Adjusting it on a 1 or 2 inch board will be the same for the entire travel of the door. The door will probably hurt a small child or animal but will not trap them which is what was happening in the beginning. Your opener was built before they came out with door sensors which makes them even safer.

    Bookmark   March 10, 2010 at 9:31AM
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catherinet

Thanks don!
I'm curious as to why not having a sensor would make it safer?
Also......we want things to pass inspection. We're pretty mechanically-challenged. Can we put something along the track to make it slide better? What could we use?
I appreciate your help!

    Bookmark   March 10, 2010 at 9:43AM
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don_1_2006

I should have reread that sentence I wrote about the door sensors. It reads the way you took it but what I meant to say was the door sensors make it much safer. Don't put anything on the track but you can use silicone spray on the rollers. Spray the bearings.

    Bookmark   March 10, 2010 at 12:10PM
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catherinet

Thanks don.

    Bookmark   March 10, 2010 at 1:10PM
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