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4
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
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
Support bracket &
fastening hardware is
required. See page 11.
Support bracket &
fastening hardware is
required. See page 11.
Slack in chain tension
is normal when garage
door is closed.
Wall-mounted
Door Control
Wall-
mounted
Door
Control
Access Door
Access
Door
Gap between fl oor and bottom of
door must not exceed 1/4" (6 mm).
Safety Reversing Sensor
Safety Reversing Sensor
Torsion Spring
Extension Spring
OR
Motor Unit
Motor Unit
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fi berglass, steel, aluminum, door with
glass panels, etc.). See page 19 for details.
FINISHED CEILING
FINISHED CEILING
Header Wall
Slack in chain tension is normal
when garage door is closed.
Access
Door
Safety Reversing Sensor
Safety Reversing
Sensor
Safety Reversing
Sensor
Safety Reversing Sensor
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)
Vertical Centerline
of Garage Door
Header Wall
Slack in chain tension
is normal when garage
door is closed.