Chamberlain 349544 Garage Door Opener User Manual


 
18
OPTION B ONE-PIECEDOORS
8.1B Center the door bracket on the top ofthe
door,in line with the header bracketas
shown.
8.2B Markeither the leftand right,or the top
and bottomholes.
MetalDoors:
• Drill 3/16" pilotholesand fasten the bracket
with the self-threading screws (H16)
provided.
WoodDoors:
• Drill 5/16" holesand use 5/16"x2" carriage
bolts, lockwashersand nuts(notprovided)
or 5/16"x1-1/2" lag screws (notprovided)
depending on your installation needs.
NOTE: The door bracketmaybe installed on the
top edge ofthe door ifrequired for your
installation.(Refer to the dotted line optional
placementdrawing.)
For a door with no exposed framing, or for the
optional installation, use lag screws 5/16"x1-1/2"
(not provided) to fasten the door bracket.
Vertical
Centerline
of Garage
Door
Optional
Placement
of Door
Bracket
Door Bracket
Header Bracket
Header Wall
2x4 Support
(Finished Ceiling)
H16
Door
Bracket
Top of Door
(Inside Garage)
Top Edge of
Door
Optional
Placement
Optional
Placement
Top Edge
of Door
Top of Door
(Inside Garage)
Door
Bracket
Carriage Bolt 5/16"x2"
(not provided)
Nut 5/16"-18
Lock Washer 5/16"
Metal Door
Wood Door
Installation
8 Install the door bracket