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Before you begin, survey your garage area to
see whether any of the conditions below apply
to your installation.
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steet, aluminum, door
with glass panels, etc)
See page 24 for details
i _ Header Wail
Stack in Chain Tension
is NormaI When
Garage Door is Closed
FINISHED CEILING
Support bracket &
fastening hardware
is required
See page 17
Safety Reversing Sensor
Floor must be level
across width of door.
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 must be
securely fastened to structural supports.
• Step 5, page 17 - Do you have a finished ceiling in
your garage? tf 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, horizontal
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.
Otherwise, the safety reverse system may not
work properly. See page 30. Floor or door should
be repaired.
• If your door is more than 7 feet high, see the
longer rails available on page 38.
Extension
Spring
OR
Torsion Access Door
Spring
O
Safety
Sensor
Header
Wall
Garage
Door
Header Cable PulIey
_racket _ Bracket
'//_ Cable Tr°llle
<_;TX_--Door / /
/_:/ Straight
/,_7_ Door
s! iArm
_ Door
Arm "
Door Bracket
Closed Position
Rail Assembly
........ h............
Emergency Release
Rope & Handle
• The opener can be installed within 2 feet to 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.
You may find it helpful to refer back to this page as
you proceed with the installation of your opener.
4