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Old 09-18-2012, 09:47 AM   #16
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Garage door opener mount loose in ceiling


You boys play nice or I'll take your shift keys away.
bear, if I may be so bold as to call you that, just screw a longer and/or larger lag screw in the same hole and let me underline the fact that using lock washers will prevent it from vibrating and unscrewing itself. I am repeating myself, I emphasize the point that I don't think weren't paying attention. Its just that with all the yelling and screaming, I thought you might not have heard me. is that a screw drive opener? The torque of opening, besides vibration, puts more stress on one end of bracket pulling on screw. Not as much stress in closing but lock washers on every screw and bolt of hanger good idea.

I think greg is trying to say it is better, more secure, to mount to a solid 2X than molly thru gypsum. But just screw it to joists over gyp.

Now you two KNOCK OFF WITH THE YELLING! Don't make me have to come down there with this 2X and lay it upside your heads. Hammer, what are all these openers doing in here? Put your toys away. Greg, stop cutting holes in the ceiling, you're getting everything dusty. All right who's been playing with the lag screws? I want those put away, and each size and length in its own properly labeled jar, how can anybody tell which are larger and which longer with um all jumbled together like that? Don't get the mollies mixed in with them And I see you lost all the lock washers, it took me years to collect all those. can't leave you two alone for a second.


Last edited by notmrjohn; 09-18-2012 at 09:53 AM.
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Old 09-18-2012, 04:41 PM   #17
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Garage door opener mount loose in ceiling


I took the route of putting in a larger lag screw, thanks for the other suggestions too, they're useful but I couldn't adopt them at this time. Right now the garage opener seems to be holding up (see lag screw on left):


I called a highly experience garage door professional here Northern California about this and I was very impressed with his knowledge. As it turns out, the reason why I'm experiencing this issue is that the original installer put the lag screw in at a slanted angle. When I spoke with the professional about this problem he immediately said this must be the problem and he was right. The original screw was screwed in at a slanted angle.

I'm still not 100% happy with this fix, I think it'll be a matter of time before the larger lag screw becomes loose again, and since the garage door opener is fairly old (came with the house when I bought it, not new, 8 years back) I decided to put in a new one anyway. Going to have that professional I spoke with come in and put in a fancier belt-driver opener (the existing one is chain driven) plus fix the support mount properly, the larger lag screw should be able to hold the old opener in place until then.

Thanks again everyone for the suggestions.
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Old 09-18-2012, 05:26 PM   #18
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Garage door opener mount loose in ceiling


sigh.....
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Old 09-18-2012, 11:21 PM   #19
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Garage door opener mount loose in ceiling


Quote:
Originally Posted by notmrjohn View Post
sigh.....
I'm sure the lock washer will help but with the screw at a slanted angle, I think it'll only be a matter of time before the vibration cause enough movement and enlarge the hole, thus requiring yet another larger lag screw and it'll spin into an endless cycle of lag screw replacement till I can't find a bigger one.

The bigger and longer one I put in now seems to be holding, it only needs to hold until Thur. Right now it looks good.

I'll see what the garage door professional does with this, hopefully he'll be about to do a permanent job on the ceiling mount and prevent this from happening again.
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Old 09-19-2012, 11:42 AM   #20
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Garage door opener mount loose in ceiling


OK, I'm just yankin your door opener chain now anyway. The pro knows what to do. And you say you want him to come out anyway, for other stuff.
But unless that angle is really slanted almost horizontal, I don't think the angle is all that important, a tight screw will hold at a slant. A loose screw will unscrew enough to become a lever and then wobble, cutting a bigger hole making the screw even looser, making longer lever, cutting a... well then it falls out, denting car or your head. Lock washers keep screws from unscrewing. But a severely angled screw is already a lever.

Gotta go, take my truck to pro, 15 cent cotter pin in axle bearing nut came out.
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Old 09-20-2012, 07:16 PM   #21
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Garage door opener mount loose in ceiling


Update on this project.

The garage door professional put in a new model LiftMaster 8550 Belt Drive opener. He removed the temporary screw I had in place and used one of the lag screws that came with the box to secure the mount using one of the outer holes in the mount.

Looks like this now:


There is a small issue I ran into however, nothing to do with the installation but the opener is a new model with the fancy "MyQ" wireless technology. Which turns out to be incompatible with the Homelink system in my Lexus (anything older than 2011 seems to be incompatible from what I saw on web searches). Took me a while to figure out why the Homelink isn't programming properly.

Looks like I'll have to live with the clip-on visor remote for now, or buy one of those repeaters that will bridge the older Homelink in the Lexus with the newer code in the opener.

Something to keep in mind if you're planning to install a new garage door opener.
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Old 09-20-2012, 08:38 PM   #22
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Garage door opener mount loose in ceiling


Oooooh, shiny, pretty.
"... if you're planning to install a new garage door opener." or buy an older car.
I can see the lag screw, while he was installing it did he...um... just happen to casually mention anything about, uh....
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Old 09-20-2012, 09:26 PM   #23
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Garage door opener mount loose in ceiling


Quote:
Originally Posted by [IMG
http://www.bigbearbear.com/popphoto/opener-mount-fix.jpg[/IMG]

The original screw was screwed in at a slanted angle.

.
If the lag was in at an angle it means the idiot who put it up missed the center of the joist. The lag will start in and deflect because its just catching the edge of the 2X above. The main piece of angle against the ceiling can be moved over and new holes started. There are a series of holes on the brackets attached to the top of the opener. I would use a small drill bit to locate the joist centers and move the angle accordingly. I install doors and openers all the time and none of them will stay up if you don't hit the centers of the joists/trusses above.
Mike Hawkins

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