Fasten Door Bracket (One-Piece Door) - Chamberlain 1280-298LMC - 1/2 HP Owner's Manual

Please read and comply with the warnings and reinforcement instructions on page 20.
They apply to one-piece doors also.
Header Wall
Header
Bracket
• Center the bracket on the inside face of the door,
in line with the header bracket as shown. Mark
either the left and right, or the top and bottom
holes.
• Drill 5/16" pilot holes and fasten the door bracket
with hardware supplied.
All ONE-PIECE Door Installation Procedure
2x4 Support
Door
Bracket
Vertical
Centerline of
Garage Door
— Finished Ceiling —
Horizontal and vertical reinforcement is
needed for lightweight garage doors
(fiberglass, aluminum, steel, door with
glass panel, etc.). (Not Provided)
Door
Bracket
Hardware Shown Actual Size
Nut 5/16"-18
21
Inside Edge
of Door or
Reinforcement Board
Lock Washer 5/16"
Carriage Bolt
5/16"-18x2-1/2"