A baler which includes a net wrapper assembly and method of using the improved baler to install net rolls into a net wrapping assembly in the baler. The net wrapping assembly includes first and second net support tubes for holding respective first and second net rolls. The first and second net support tubes include pivoting elements for pivoting the net support tubes away from wrapping active positions. The net wrapping assembly also includes a support arm for supporting the weight of the net rolls during installation. The net wrapping assembly also includes brake systems, which are connected to a net feeding system, for applying and releasing tension to the net roll.