Safety
Reversing
Sensor
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 13.
Slack in chain tension
is normal when
garage door is closed.
Safety
Reversing
Sensor
Header
Wall
Access Door
Gap between floor
and bottom of door
must not exceed 1/4".
Access
Door
Floor must be level
across width of door
Slack in Chain Tension
is Normal When
Garage Door is Closed
Safety
Reversing
Sensor
Safety
Reversing
Sensor
4
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.
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 13.
Slack in Chain Tension
is Normal When
Garage Door is Closed
— — — — — — — —
Door Center
Header Wall
Safety
Reversing
Sensor
Floor must be level
across width of door
Extension Spring
Torsion Spring
Access Door
OR
Before you begin, survey your garage area to see whether any of the conditions below apply
to your installation.
Sectional Door Installation
One-Piece Door Installation
Model 1702 Outside Quick Release
required if there is no access door.
One-Piece Door without Track
One-Piece Door with Track
