Chain drive t rail appilcation only.
Overhead door chain tension.
There are only a few ways that the chain can be tightened.
Both adjustment types should be done with the door closed and disconnected from.
A loose garage door cable is not difficult to deal with but you will need a few key tools to tighten it properly.
Also compatible with genie models.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
How do i adjust it.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
Pmx 300 ic a pmx 500 ic a pmx 300 ic b pmx 500 ic b ic250 ic250 b part numbers.
Front pulley assembly for the overhead door legacy model 696 and 496 and overhead door passport model 286 and 386 garage door opener.
If the tension is too loose the springs that help lift the.