Overhead Garage Door Parts
How to control an electric garage door lock from an Elk M1 (or other) system
There is an abundance of Garage Door posts and some write up's about monitoring garage doors here on CocoonTech.com so I decided to document what I did for others to use, modify, copy, etc...
Disclaimer: This write up is for educational purposes only.
Here's the story: (No yawning please)So...I just built a garage. I installed a Liftmaster LM3800 door Opener. It's great. It is a side mount (jackshaft) opener that works very well and is extremely quiet. It comes with an electric bolt that gets mounted on to the garage door track. The operator locks and unlocks the bolt. It works very well. So well that I decided to rip it a part and see what makes it tick as Liftmaster tech support was not very helpful. They had me on the phone for 45 minutes and basically made this locking device sound very complicated.
I ordered a new replacement unit from an online source for about $37.00 plus shipping. The part number is 12-41A6102. This one even came with the two ¼x20 button head screws (the website said screws not included) and a template for easy mounting.
I temporarily hooked up the replacement unit to the existing garage door operator. I tapped in to the bolt wiring and operated the garage door opener with a digital O Scope connected. The device operates on 13vdc from the operator and draws about 1.1 to 1.3 amps. The pulse is so quick that it was hard to get an exact maximum reading so give your self a little wiggle room with the amperage estimates.
I removed the bolt from the garage door opener and installed the unit on the workshop garage door that does not have an opener due to overhead space constraints. I followed the manufacturer's directions but I also added a few components.
I added a small reed switch and magnet to follow the status of the bolt. I used some self tappers to mount the magnet portion to the manual handle after flattening the opposite side (wall side) of the handle a bit so the magnet would sit flush on the black plastic piece. The picture shows the mounting holes and the magnet which is not mounted. If your screws are too long you may have to trim the bottom one down to be able to get to the Philips screw hidden behind the black manual operation handle. The hole to get to the screw is on the bottom. You don't have to take the handle mounting screw completely out to slide the handle off, just loosen it a bit.
Once you install the magnet, temporarily mount the bolt on the door track. Then, connect the reed switch portion to a meter and find the best location on the wall to mount it so that it has continuity when the bolt is out or locked. The reed switch is normally closed with the magnet in place.
Overhead Garage Door Parts - News
I removed the bolt from the garage door opener and installed the unit on the workshop garage door that does not have an opener due to overhead space constraints. I followed the manufacturer's directions but I also added a few components.
AUGUSTA, Maine (Legal Newsline) - The Maine Supreme Court, in a ruling last week, upheld the judgment of a jury determining the installer of an overhead garage door was not liable for a man's injuries. Craig Burns, a mechanic at
Exhaling for what seemed the first time in many long minutes, I expected to be shown the garage door, but a gracious Schaubach smiled and soon turned the subject to the true gems of his collection, stored in a separate garage attached to the main house
“Sometimes, we had time to build overhead cover” from trees. “I liked it door-to-door better than being in the woods” because the Germans didn't have as much of an advantage in urban situations. He said civilians, even in Germany, generally received
Picking a Garage Door Repair Service in the Houston Vicinity
The dangers of deciding a negative garage door repair service in the Houston area.
You may call to mind that all garage door repair services Houston are created equal, but that's not the case. You've got to be cautious in making the selection. Alternatively, you could end up with many other problems that would've been prevented by deciding the correct service.
If you hire the incorrect repair service in the Houston area, you might very well end up with a character who's unprofessional and doesn't know how to o the job accurately. They may use used parts. A disreputable company might overcharge you for repairs, or even worse, break other things on your garage door and tell you that those should be repaired as well.
If the service you determine performs the job incorrectly, then you might be contracting somebody else in a couple weeks when your garage door has the identical problem. Or, even worse, your malfunctioning garage door could damage a car or injure your kids or pets.
Don't let yourself fall a victim. Here are a few steps you can take to make sure you get a solid, reputable garage door repair service in the Houston area.
See how long they've been in business.
In the generation of Internet businesses, a business's age seems to have lost the significance it once had. However, with garage door repair, you're looking at an industry with high turnover. If you contract with a guy who's working out of the back of his truck, then he might be out of business when something else goes wrong. Even if you've got a warranty, if he's out of business he won't be able to honor it.
Find a garage door repair company that's been in business awhile and has a good reputation in the Houston area. That way, chances are favorable that not only will you get a company that can do the job correctly, but they'll also be able to honor their work and provide other repairs in the time to come.
Check with the Better Business Bureau
The Better Business Bureau is always an excellent place to start for a business's reputation. You'll be able to find out if they've had any complaints reported against them and why, which can help you considerably in making a decision. Also, you'll be able to find out if previous customers have had favorable things to say about them.
Get various estimates for garage door repair in the Houston area.
"How much will it cost?
Overhead Garage Door Parts - Bookshelf
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