A SERVICE OF

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You may find it helpful to refer back to this page as you proceed with the installation of your opener.
Safety Reversing Sensor
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 20 for details.
Support bracket & 
fastening hardware
is required.
See page 13.
— — — — — — — —
Door Center
Header Wall
Safety
Reversing
Sensor
Floor must be level
across width of door
FINISHED CEILING
Extension Spring
Torsion Spring
Access Door
OR
OR
One-Piece Door-Extension Spring
Header
Wall
Door
Track
Before you begin, survey your garage area to see whether any of the conditions below apply to
your installation.
SECTIONAL Door or
ONE-PIECE Door with Track Installation
Safety Reversing Sensor
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 13.
Safety
Reversing
Sensor
Header
Wall
Access Door
Gap between floor and bottom of
door must not exceed 1/4".
ONE-PIECE Door Without Track Installation
5