Chamberlain 1000SDC 1/3HP Garage Door Opener User Manual


 
All ONE-PIECE Door Installation Procedure
• Center the bracket on the top of the door, in line with
the header bracket as shown. Mark holes.
• Drill 5/16" pilot holes and fasten the door bracket with
hardware supplied.
If the door has no exposed framing, drill 3/16" pilot holes
and fasten the bracket with 5/16"x1-1/2" lag screws (not
supplied) to the top of the door.
The door bracket may be installed on the top edge of
the door if required for your installation. (Refer to the
dotted line optional placement drawing.) Drill 3/16"
pilot holes and substitute 5/16"x1-1/2" lag screws (not
supplied) to fasten the bracket to the door.
21
Please read and comply with the warnings and reinforcement instructions on page 20. They apply
to one-piece doors also.
Hardware Shown Actual Size