Chamberlain LW2000 Garage Door Opener User Manual


 
13
Metal, insulated or lightweight
factory reinforced doors
Wood doors
Fasten Door Bracket
NOTE: The 1/4"-14 x 5/8" self-threading screws are
not intended for use on wood doors.
Position Door Bracket
To prevent damage to garage door, reinforce inside of
door with angle iron both vertically and horizontally.
Mark and Drill 3/16" Holes
Position the door bracket on
the face of the door within the
following limits:
1. The top edge of the bracket
2"-4" (5-10 cm) below the
top edge of the door.
2. The top edge of the bracket
directly below any structural
support across the top of the
door.
Horizontal and vertical reinforcement (not
provided) is needed for light weight garage doors
(fi berglass, aluminum, steel, doors with glass
panel, etc.).
A horizontal reinforcement brace should be long
enough to be secured to two or three vertical
supports. A vertical reinforcement brace should
cover the height of the top panel. Contact your
door manufacturer for more information regarding
reinforcement of your door.
Many door reinforcement kits provide for direct
attachment of the clevis pin and door arm. In this
case, you will not need the door bracket; proceed
to Connect Door Arm to Trolley section.
HORIZONTAL AND VERTICAL REINFORCEMENT
FASTEN THE DOOR BRACKET
1
3
2
OR
ALL HARDWARE
SHOWN
ACTUAL SIZE
Top of Door
Center of
Garage Door
Door Bracket
Location
A15
Door Bracket
Hardware
(not provided)
Center of
Garage Door
Center of
Garage Door
Bolt 5/16" x 2"
(Not Provided)
Door Arm Connects
Directly to Vertical
Reinforcement
C8
Self-Threading
Screws
C8 Self-Threading Screw
UP
UP