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,r
Depending on your requirements, thereare several
installation steps which may call for materials or hardware
not included in the carton_
o installation Step 1- Look at thewall orceiling above
the garage door° Theheader bracket must be securely
fastened to structural supports
* Installation Step 5 - Do you have afinished ceiling in
your garage? Ifso, asupport bracket and additional
fastening hardware may be required
-Installation Step 11- Depending upon garage
construction, extension brackets orwood blocks may be
needed to instal! sensors
o installation Step 11 - Alternate floor mounting of the
safety reversing sensor will require hardware not
provided,
• Do you have an access door in addition tothe garage
door? If not, Model 7702CB Emergency Key Release is
required See Accessories page
• Look at the garage door where it meets the floor Any
gap between the floor and the bottom of the door must
not exceed 1/4" (6 ram) Otherwise, the safety reversal
system may not work properly See Adjustment Step 3_
Floor or door should be repaired
SECTIONAL DOOR INSTALLATIONS
oDo you havea steel, aluminum, fiberglass or glass
panel door? Ifso, horizontal and vertical reinforcement
is required (installation Step 12),
o The opener should be installed above the center ofthe
door, If there isa torsion spring or center bearing plate
in the way of the header bracket, it may beinstalled
within 4 feet (1_2m) to the left or rightof the door
center See Installation Steps 1 and 12
•Ifyour door is more than 7 feet (21 m) high, see rail
extension kits listed on Accessories page
SECTIONAL DOOR INSTALLATION
Horizontal and verticalreinlorcement
isneeded for ftghtwetght garage doors
(libergfass, steel, atuminum_door with
glass panels, etc ) See page 24 for details,
Header Wall
OR
TorsionSpring
FINISHED CEILING
Support bracket &
fasteninghardware
isrequired.
See page 16
Sensor
1 Vertica!
Centerline
o!Garage Door
Gap between floor
and bottom o! door
must not exceed 1/4" (6 mm)
Wallo
mounted
ODor
Conlrol
5
Safely
Reversing
Sensor
Access Door
O
eader
rail
arage
_or
H_ader
Bracket Trolley
Bolt
Garage
Door
Spring
CLOSED POSITION
Trolley
Belt
Emergency Release
Rope & Handle
Curved
Door
Arm
Bracket