One-Piece Doors - Chamberlain 4142DC Manual Del Usuario

ONE-PIECE DOORS

Please read and comply with the warnings and reinforcement
instructions on the previous page. They apply to one-piece doors
also.
• Center the door bracket on the top of the door, in line with the
header bracket as shown. Mark either the left and right, or the
top and bottom holes.
• Drill 8 mm pilot holes and fasten the bracket with hardware
provided.
If the door has no exposed framing, drill 5 mm pilot holes and
fasten the bracket with 5/16"x1-1/2" lag screws (not provided) to
the top of the door.
NOTE: 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 5 mm pilot holes and
substitute 5/16"x1-1/2" lag screws (not provided) to fasten the
bracket to the door.
Header Wall
Bracket
Finished Ceiling
38 mm Support
Header
Door
Bracket
Optional
Placement
of Door
Bracket
Vertical
Centerline of
Garage Door
Horizontal and vertical
reinforcement is needed for
lightweight garage doors
(fiberglass, aluminum, steel,
door with glass panel, etc.)
(not provided).
For a door with no exposed framing,
or for the optional installation, use
5/16"x1-1/2" lag screws (not provided)
to fasten door bracket.
13 mm Socket Wrench
26
HARDWARE SHOWN ACTUAL SIZE
Nut 5/16"-18
Lockwasher 5/16"
Carriage Bolt
5/16"-18x2-1/2"
Lock
Nut
Washer
5/16"-18
5/16"
Door
Bracket
Carriage Bolt
5/16"-18x2-1/2"
Top of Door
(Inside Garage)
Top Edge
of Door
Optional
Placement