Release the garage door from the power opener by pulling on the attached release rope.
Changing garage door rollers on youtube.
Do not unscrew the bottom plate with the roller in it.
This is a much easier way to replace the castors.
Change the bottom roller at your own risk.
Mike shows you how to change garage door rollers.
Place a clamp on to the track about 2 3 of the way up the door opening.
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This job can be done in about 5 minutes.
This video shows the simple steps to replace a garage door roller.
A how to video on changing garage door rollers.
Start by opening your garage door completely.
How to replace garage door rollers instructions.
To see if your rollers need replacing inspect each of the rollers by watching them as they go up and down the track.
For added safety unplug the garage door opener from the outlet.
If one or more are not rolling and or appear damaged it should be replaced.