The Installation of Garage door opener on an average takes half a day or about 4-6 hours.
If you are installing more than one garage door opener the second one may take you about half of the time than the first one. You should have suitable electrical outlet installed in the ceiling of your garage the opener needs a grounded outlet within a couple of feet of the motor unit and you cannot connect the opener using extension cord.
Factor that determine how long it takes to install garage door opener is whether you are replacing old opener or installing a new unit where there is no existing opener.
Here are some basic step for installing a standard chain drive opener are.
Most of us ignore the assembly instructions when they tell us to look through and sort all the part before assembly it’s a good idea to do.
Rail come in five or six piece that slot together assembly usually includes the trolley that connects to the door and moves along the rail fasten the rail to the motor unit.
Including the idler pulley on the door end of the track and the chain should be little longer than the rail and it,s not continuous a cable complete the chain loop and passes over the idler pulley on its way back to motor unit.