FI
N
ISHED CEILI
N
G
S
u
pport
b
racket
& fastening
hard
w
are is re
qu
ired.
See page 12.
Slack in chain tension
is normal
w
hen
garage door is closed.
Safety
Re
v
ersing Sensor
Header
W
all
Access
Door
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).
W
all-
mo
u
nted
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
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.
— — — — — — — —
Header
W
all
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).
Extension Spring
Torsion Spring
Access Door
OR
Slack in chain tension
is normal
w
hen
garage door is closed.
W
all-
mo
u
nted
Door
Control
Motor Unit
FI
N
ISHED CEILI
N
G
S
u
pport
b
racket &
fastening hard
w
are
is re
qu
ired.
See page 12.
Vertical Centerline
of Garage Door
SECTIONAL DOOR INSTALLATION
