[AndrewM]

Originally Posted by lakerman

I have a overhead garage door opener, chain gets tightened by a roller near the door, the chain keeps slipping off that roller,any ideas whats up, worked fine till yesterday, roller wheel looks good but the angle to me seems a bit off when the door opens a bit, then chain pops off. I'm out in St. Albert, any service people you know?

Happen to have a broken spring?