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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.
Depending on your requirements, there are several
installation steps which may call for materials or
hardware not included in the carton.
• Installation Step 1 – Look at the wall or ceiling
above the garage door. The header bracket must
be securely fastened to structural supports.
• Installation Step 5 – Do you have a finished ceiling
in your garage? If so, a support bracket and
additional fastening hardware may be required.
• Do you have an access door in addition to the
garage door? If not, Model 7702CB Outside Quick
Release is required. See Accessories page.
SECTIONAL DOOR INSTALLATION
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with
glass panels, etc.). See page 25 for details.
Safety Reversing Sensor
(Optional Accessory)
Header Wall
Vertical
Centerline of
Garage Door
Safety Reversing Sensor
Gap between floor
(Optional Accessory)
and bottom of door
must not exceed 6 mm.
• Look at the garage door where it meets the floor.
Any gap between the floor and the bottom of the
door must not exceed 6 mm. Otherwise, the safety
reversal system may not work properly. See
Adjustment Step 3. Floor or door should be
repaired.
SECTIONAL DOOR INSTALLATIONS
• Do you have a steel, aluminum, fiberglass or glass
panel door? If so, horizontal and vertical reinforce-
ment is required (Installation Step 10).
• The opener should be installed above the center of
the door. If there is a torsion spring or center
bearing plate in the way of the header bracket, it
may be installed within 1.2 m to the left or right of
the door center. See Installation Steps 1 and 10.
FINISHED CEILING
Slack in chain tension
is normal when
garage door is closed
Extension
Spring
OR
Torsion
Spring
Wall-
mounted
Access
Door
Door
Control
Header
Wall
Garage
Door
4
Support bracket &
fastening hardware
is required.
See page 21.
Motor unit
CLOSED POSITION
Header
Cable Pulley
Bracket
Bracket
Trolley
Garage
Door
Spring
Straight
Door
Emergency
Arm
Release
Rope & Handle
Curved
Door
Arm
Door Bracket
Rail
Chain
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