Sec-2.7
Section 2: Operator Installation
5. Use a level, as shown in FIG. 7, to find the highest point of travel for the door.
6. Mark a horizontal line across the vertical line you made on the header at 5” above the highest point of
door travel.
7. Raise the door end of the drawbar while resting the operator on the floor or other suitable material.
8. Position the spreader bracket on the centerline with its bottom edge on the horizontal mark. FIG. 8.
9. Fasten spreader bracket to header using fasteners appropriate for the header material.
2" x 6"
HEADER
MARK A HORIZONTAL LINE
ABOVE
HIGHEST POINT OF TRAVEL
LEVEL
HIGHEST POINT
OF TRAVEL
5”
FIG. 7
FIG. 8
