REPLACEMENT OF HANGER OF HUNG DOOR

PURPOSE:To provide a method for replacing the hanger for a hung door which can secure the high efficiency in the work free from the breakage of the thread of the installation bolt and free from the breakage of the installation bolt insertion hole on a door body. CONSTITUTION:When door hanger 2a and 2b are replaced, the metal fitting of a door holding tool 10 is locked with a door rail 3, and the metal fitting of the door holding tool 10 is hooked on the vertical line of the center of gravity of a door body 1, on the door upper end lower surface 8 of a groove formed in the upper part of the door body 1. Then, an installation bolt 5 is loosened and demounted, and the door hangers 2a and 2b are demounted from the door body 1. Then, the new door hanger 2a is hooked with the door rail 3, and the door hanger 2a is fixed on the door body 1 by the installation bolt 5. Further, when the door hanger 2b is engaged with the door rail 3, the door hanger 2b is fixed on the door body 1 by the installation bolt 5. Then, the adjusting bolt 11 of the door holding tool 10 is loosened to demount the door holding tool 10.