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.
Header
W
all
Safety Re
v
ersing
Sensor
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
Motor Unit
FI
N
ISHED CEILI
N
G
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
u
nit
Slack in chain tension
is normal
w
hen
garage door is closed
Vertical
Centerline of
Garage Door
SECTIONAL DOOR INSTALLATION
