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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
Slack in belt tension
is normal when
garage door is closed.
Model 1702LMC Outside Quick Release
is required if there is no access door.
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation.
Sectional Door Installation
Safety
Reversing
Sensor
FINISHED CEILING
Support bracket
& fastening hardware
may be required.
See page 13.
Slack in belt tension
is normal when
garage door is closed
Header
Wall
Safety
Reversing
Sensor
Access Door
Gap between floor
and bottom of door
must not exceed 1/4".
Access
Door
Floor must be level
across width of door
Safety
Reversing Sensor
Safety
Reversing Sensor
Slack in belt tension
is normal when
garage door is closed.
One-Piece Door with Track
One-Piece Door without Track
One-Piece Door Installation
You may find it helpful to refer back to this page as
you proceed with the installation of your opener.