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Before you begin, survey your garage area to
see whether any of the conditions below apply
to your installation.
Herizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 24 for details.
Slack in Chain Tension
is Normal When
Garage Door is Closed
FINISHED CEILING
Supporl bracket &
fastening hardware
is required.
See page 17.
Header Wall
Extension Spring
OR
;pring
AccessDoor
O
Safety
Reversing
Sensor
Floor must belevel
across width of door
• Safety Reversing Sensor
Based on your particular requirements, there are
several installation steps which might call for
materials and/or hardware not included in the carton.
• Step 1, page 12 - Look at the wall or ceiling above
the garage door. The header bracket mustbe
securely fastened to structural supports.
• Step 5, page 17 - Do you have a finished ceiling in
your garage? If so, a support bracket and
additional fastening hardware may be required.
• Safety reversing sensor, page 21 - Depending
upon garage construction, wood blocks may need
to be fastened to mounting locations before
sensors are installed.
• Step 10, page 22 - Alternate floor mounting of the
safety reversing sensor will require hardware not
provided.
• Step 11, page 24 - Do you have a steel, aluminum,
fiberglass or glass panel door? If so, horizontat
and vertical reinforcement is required.
• Look at the garage door where it meets the floor.
It must close on the floor all the way across.
Other-wise, the safety reverse system may not
work properly, See page 30, Floor or door should
be repaired.
Closed Position
Head_er Cable Pulley
Bracket Brack_ Trolle_ Rail Assembly
........
Garage o h Emergel3cy
Door Release
Rope & Handle
Header Arm
I
boor Bracket
Garage
• The opener can be installed within 2 feet of the left
or right of the door center if there is a torsion spring
or center bearing plate in the way of the header
bracket or door bracket area. If your door has
extension springs, the opener must be installed
in the center of the door See pages 12 and 24.
• Do you have an access door in addition to the
garage door? If not, Model 53702 Emergency
Key Release is required. See page 38.
• If your door is more than 7 feet high, see the rail
extension kits available on page 38.
You may find it helpful to refer back to this page as you proceed with the installation of your opener.
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