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Garage Opener Install - Chain too tight problem

Posted by Tom O on January 10th, 2003 06:30 AM
In reply to Sears/Craftsman garage door opener 139.53975SRT1 by kuryuka on August 16th, 2001 01:50 PM [Go to top of thread]

Moderator Post:
> Garage Door Opener Problems by Handyman on 02/16/2005

I just replaced the nylon gear in my chain drive (model 13953615SR) unit. The unit works fine but I can not get the chain drive to "work". AS the motor runs and drives the chain (pulls the door up), the tension on one side of the chain gets so high that the motor can not continue to turn it. The other side of the chain is extremely loose and sagging.

What is the trick to adjusting it? Thanks

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