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Chamberlain CG40D 1-2 HP Manual

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24
Header Wall
Vertical
Centerline of
Garage Door
Finished Ceiling
Optional
Placement
of Door
Bracket
Header
Bracket
Door
Bracket
2x4 Support
For a door with no exposed framing,
or for the optional installation, use
lag screws 5/16"x1-1/2" (Not Provided)
to fasten door bracket.
METAL DOOR
Top of Door
(Inside
Garage)
Door
Bracket
Optional
Placement
Top Edge
of Door
Self-Threading
Screw
1/4"-14x5/8"
Door
Bracket
Top of Door
(Inside
Garage)
Carriage Bolt
5/16"x2"
(Not Provided)
Optional
Placement
Lock
Washer
5/16"
Nut
5/16"-18
Top Edge
of Door
WOOD DOOR
HORIZONTAL AND VERTICAL
REINFORCEMENT IS NEEDED
FOR LIGHTWEIGHT GARAGE
DOORS (FIBERGLASS,
ALUMINUM, STEEL, DOORS
WITH GLASS PANEL, ETC.).
(NOT PROVIDED)
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.
• Metal Doors: Drill 3/16" pilot holes and fasten the
bracket with the 1/4"-14x5/8" self-threading screws
provided.
• Wood Doors: Drill 5/16" holes and use 5/16"x2"
carriage bolts, lock washers and nuts (not provided) or
5/16"x1-1/2" lag screws (not provided) depending on
your installation needs.
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.)
Self-Threading Screw
1/4"-14x5/8"
HARDWARE SHOWN
ACTUAL SIZE
… 24 …


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