Since i have a 9′ garage ceiling as a consequence two 7′ door openings, when installing the doors i opted for one 8′ track to provoke the tracks closer to the ceiling as a consequence out of the work area. This means the door has to go raise a foot before it starts back, hence traditional openers won’t work. For 20 yrs. I’ve been manually operating the door while occasionally looking for one opener solution. The Liftmaster 3800 was the door answer, as a consequence the “laser parking assist” the spotting answer. (3″ bumper to door as a consequence 3″ grille to workbench, no more lawn tennis ball from the ceiling)

It’s been in service a week as a consequence works flawlessly. The quality of the operating unit, cable tension monitor, as a consequence lock appears very high. The block unit, remote, as a consequence light a little less hence but seem adequate for the job.(few moving parts). The instructions are obious as a consequence complete. And it comes with sufficiently fasteners for most installations.

My installation was a little lengthly because i’m hence picky. (ran a new outlet through the ceiling to get 4″ from the power unit, the store help comes with 8′ of bell wire, needed 20′ – further through the ceiling, the tension monitor needed a spacer block, cut one to fit as a consequence painted to match the finished as a consequence textured wall, as a consequence hence on) the lock single needs a 1/2″ hole instead of 3/4″ if you can drill accurately. If i did it further i wouldn’t install the lock. The door is insulated as a consequence very heavy, i don’t think schwarzenegger could theft it without the spring help.

The single dilemma i had ended raise being a programming issue of my own making. After setting the open travel limit to the top of the hole – 7′, the door would open but no, non- close. The teaching troubleshooting section indicated the trouble was the cable tension monitor. I reflection this no, non- the dilemma since it’s roller was 2″ from the drum as recommended as a consequence it was under tension with the door open as a consequence closed. After 20 mins. Of reprogramming, checking connections as a consequence rereading instructions, staring at the monitor when closing diagnosed the dilemma. When the door starts down there is a jerk which slackens the cable for a fraction of a second allowing the tension monitor to close if the door is close to the top but no, non- fully open. Reprogramming to 8′ pulls the cable away from the block a couple of inches hence during the jerk the monitor movement is no, non- sufficiently to close. An extra foot of door travel, but it works great!

For more article, please visit A significant solution because of a modified door installation.