04-09-2009, 01:29 AM
Then get him or someone else back out until he gets the spring adjusted right, and don't pay him until he does. The spring is supposed to be adjusted so it counterbalances almost all of the door weight. If it is that hard, then it is also overloading the opener motor. The door should be no harder to open manually than before adding a garage door opener once the emergency release has been pulled.