Chamberlain WHISPERDRIVE 182665D Owner's Manual page 24

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 Doo rs: 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.)
Header Wall
2x4 Support
Header
Bracket
Door
Bracket
Optional
HORIZONTAL AND VERTICAL
Placement of
REINFORCEMENT IS NEEDED
Door Bracket
FOR LIGHTWEIGHT GARAGE
DOORS (FIBERGLASS,
ALUMINUM, STEEL, DOORS
Vertical
WITH GLASS PANEL, ETC.).
Centerline of
(NOT PROVIDED)
Garage Door
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.
- Finished Ceiling -
24
HARDWARE SHOWN ACTUAL SIZE
Self-Threading Screw
1/4"-14x5/8"
Door
Bracket
Nut
5/16"-18
Door
Bracket
Self-Threading
Screw
1/4"-14x5/8"
Top of Door
(Inside Garage)
Top Edge
of Door
Optional
Placement
METAL DOOR
Lock
Washer
5/16"
Top of Door
(Inside Garage)
Top Edge
of Door
Optional
Placement
Carriage Bolt
5/16"x2"
(Not Provided)
WOOD DOOR