[DeTomaso] Shop Design garage door opener thoughs

[Ken Green]

Asa,
   
      Maybe the Wayne Dalton monitors cable tension, but the Liftmaster attached to the end of the shaft and I don't see much room to monitor cable tension.  The installer did come out and adjust something, but I wasn't home.  I suppose the current could be sensed and the motor shut down if the load is not in an expected range?
   
      But I still think anything that turns the shaft versus directly moves the door could have a problem.  It's OK for me, but your wife could be unhappy if the door won't close and she needs to leave.  
   
      The problem is that if the cable(s) get messed up, you can't even manually close the door.  I guess that's the real issue.  It's a lot worse than an opener that you just pull a release rope and close the door manually.
   
  Ken
   
  
asajay at asajay.com wrote:
  Hmmm,

Not to say it can't happen. The installation guide shows a cable 
tension monitoring device that is supposed to be installed to prevent 
this kind of unspooling. Was that part of the system installed in 
your garage? The cable tension thingy didn't look to be a part of the 
Wayne Dalton setups.

Asa Jay


Quoting Ken Green :

> We had a similar opener installed about a year ago, and the 
> installer did NOT like the Wayne-Dalton unit. He recommended a 
> Liftmaster:
>
> http://www.liftmaster.com/consumerweb/products/pflResidentialJackshaft.htm
>
> It's really slick, but there is one issue with this type. They 
> turn the reels instead of pushing the door to close it. If the door 
> binds at all, the reels keep turning and the cables come off the 
> reels. It's OK if you catch it immediately (well, not OK for your 
> wife), and can be corrected, but it can turn into a mess quickly, 
> and it JAMS the door open. The first time this happended was when I 
> closed the door last August planning to leave to drive to Monterey. 
> About 3 hours later, I finally got it closed and left 3 hours late 
> for a 350 mile drive. I was not happy.
>
> Ken
>
> "P. Rimov" wrote:
> If you are planning on using conventional roll up garage doors and are
> planing on a four post lift check out these guys for a garage door opener.
> http://www.wayne-dalton.com/DirectDrive.asp We are going to use these for
> our new house in a couple of years.
>
> Paul
>
>
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