| 摘要 |
A method of aligning a door operating system for operating an upwardly actin g door including an operator that directly interrelates with a counterbalance assembly in the door operating system to move the door, where the operator i s at least partially supported on the counterbalance assembly, loosely attachi ng the operator to a header adjacent the door, and, moving the door from a clos ed position to an open position and returning the door to the closed position t o achieve alignment. Once aligned, the operator is securely attached to the header to maintain the system's alignment. |
