Illustration Of Sectional Door Installation; Illustration Of One-Piece Door Installation - Chamberlain 1000SDC-R, 2000SDC-R Owner's Manual

Before you begin, survey your garage area to see whether any of the conditions below apply to your installation.
You may find it helpful to refer back to this page as you proceed with the installation of your opener.
SECTIONAL Door or
ONE-PIECE Door with Track Installation
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 20 for details.
Safety Reversing Sensor
ONE-PIECE Door Without Track Installation
Safety Reversing Sensor
Header Wall
Door Center
Floor must be level
across width of door
Header
Wall
Safety Reversing
Gap between floor and bottom of
door must not exceed 1/4".
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 16.
Extension Spring
OR
One-Piece Door-Extension Spring
Torsion Spring
Door
Safety
Reversing
Sensor
Sensor
5
OR
Header
Wall
Access Door
Track
Access Door