The point where the roller is nearest the track is probably the point where it jumped the track.
How to get garage door roller back on track.
Use a rubber mallet to tap the edge of the roller back into the track.
You need to check the release handle and make sure that it is on the track.
The roller should smoothly move up and down in the track.
Once you have located the position use locking pliers to hold the door open by clamping them on one end of the track.
Remove the locking pliers.
Locate where the rollers are jumping off the track.
It is relatively simple to fix a garage door that has derailed.
The garage door track curves up at the bottom to hold the wheel in place.
This makes it impossible to replace a garage door roller without unbolting the hinge that holds the roller from the door panels.
The next step is to go to the inside of the garage door.
Open the door while holding the roller against the track.
Now you will be able to open the door manually.
If this doesn t work proceed to the next step.
The first thing to do is hit the door button.
Now take the pliers and pry open the track.
Hit the end of the roller in the hinge with a hammer to push it back into place.
Make sure the roller is in the center of the track.
Lift the garage door so the roller and the length of track you bent are lined up again.
The roller has a stem that fits into a bracket sleeve while the roller itself fits into a track.
Locate where the roller popped out of the track.
However it s not guaranteed that the roller will stay there no matter what.
After troubleshooting the tracks to find the problem you can now get to work putting the rollers back on track.
The doors on your garage are moved smoothly up and down by garage door rollers these are held in place by brackets that are attached to the door of your garage.
Some units will actually reconnect themselves but this is not typically the case.
Similarly if a roller pops out of the track the repair is to uninstall the hinge first then tip the roller wheel into the track.
Set the roller back in the track.
Raise and lower the door manually to ensure it is operating properly.
Detach the door from the automatic opener by pulling the overhead string to disengage the opener.
Once the door is back on track knock the track back into position with a rubber mallet.