FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 12.
Slack in chain tension
is normal when
garage door is closed.
Safety
Reversing Sensor
Header
Wall
Access
Door
Safety
Reversing Sensor
Gap between floor and bottom of
door must not exceed 1/4" (6 mm)
Wall-
mounted
Door
Control
Motor Unit
ONE-PIECE DOOR WITHOUT TRACK
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 find it helpful to refer back to this page
and the accompanying illustrations as you proceed with the installation of your opener.
Access
Door
Safety
Reversing Sensor
Safety Reversing
Sensor
Slack in chain tension is normal when
garage door is closed.
Gap between floor
and bottom of door
must not exceed 1/4" (6 mm).
ONE-PIECE DOOR WITH TRACK
Safety Re
v
ersing Sensor
S
u
pport
b
racket &
fastening hard
w
are
is re
qu
ired.
See page 12.
— — — — — — — —
Header
W
all
FI
N
ISHED CEILI
N
G
Torsion
Spring
Extension
Spring
OR
Safety
Re
v
ersing
Sensor
Gap
b
et
w
een floor
and
b
ottom of door
m
u
st not exceed 1/4" (6 mm)
Access
Door
W
all-
mo
u
nted
Door
Control
Horizontal and
v
ertical reinforcement
is needed for light
w
eight garage doors
(fi
b
erglass, steel, al
u
min
u
m, door
w
ith
glass panels, etc.). See page 19 for details.
Motor Unit
OR
One-Piece Door-Extension Spring
Header
W
all
Door
Track
Slack in chain tension
is normal
w
hen
garage door is closed.
Vertical
Centerline
of Garage Door
SECTIONAL DOOR INSTALLATION
