Are the hinges, rollers, chain and rail all lubricated? Some of my neighbors doors sound like nails on a chalkboard. Last week my unit had an issue with the circuit board section linked to the safety "eyes' With parts and call out I was looking at $250. For $450 had it all replaced with the new belt driven model. from Liftmaster/Chamberlain . So quiet.
4/23/15 at 2:38pm