4
Planning
Identify the type and height of your garage door. Survey
your garage area to see if any of the conditions below
apply to your installation. Additional materials may
be required. You may fi nd it helpful to refer back to
this page and the accompanying illustrations as you
proceed with the installation of your opener.
— — — — — — — —
SECTIONAL DOOR INSTALLATION
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
Horizontal and vertical reinforcement
is needed for light weight garage doors
(fi berglass, steel, aluminum,
door with glass panels, etc.).
See page 19 for details.
Slack in chain tension
is normal when
garage door is closed.
Support bracket &
fastening hardware
is required.
See page 11.
Motor Unit
FINISHED CEILING
Wall-Mounted
Door Control
Extension Spring
OR
Torsion Spring
Header Wall
Access
Door
Safety
Reversing
Sensor
Vertical
Centerline of
Garage Door
Gap between fl oor and bottom of door
must not exceed 1/4" (6 mm).
Gap between fl oor
and bottom of door
must not exceed 1/4" (6 mm).
Gap between fl oor and
bottom of door must
not exceed 1/4" (6 mm).
Safety Reversing Sensor
Safety Reversing
Sensor
Safety
Reversing Sensor
Wall-Mounted
Door Control
Header Wall
Slack in chain tension
is normal when
garage door is closed.
Support bracket
& fastening
hardware is required.
See 11.
FINISHED CEILING
Motor Unit
Slack in chain tension is
normal when garage door
is closed.
Access
Door
Access
Door
Safety
Reversing
Sensor
Safety
Reversing
Sensor
