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Before you begin, survey:your garage area. Do any of the following COnditions apply to you?
Before you begin, survey your garage area to
see whether any of the conditions
below apply
to your installation.
HorizoNtal a nd vertic_ rein fofr.,ernent
is needed fo_ligh_veight g arage doors
(flberg_tss.steel aluminum,door wireglasspanels, etc,).
See page22 fordetails.
SI_
in chain tension
is nermal when
garage door is dosed.
FINISHED CSIUNG
Supportbracket&
fasteninghardware
Lsrequired.
See page 15.
Header Wa#
Extension
Spdng
OR
Torsion Spdng
_ccsss Door
Safety
Sens_
Root must be level
across wid_ of doo_
• 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 t, page 11 - Look at the wall or ceiling above
the garage door. The header bracket must be
securely fastened to structural supports.
• Step 5, page 15 - 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 19 - Depending
upon garage construction, wood blocks may need
to be fastened to mounting locations before
sensors are installed.
• Step 10, page 20 - Alternate floor mounting of the
safety reversing sensor will require hardware not
provided.
• Step 11, page 22 - 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. Other-
wise, the safety reverse system may not work
properly. Floor or door should be repaired. See
page 26.
I
Closed Position
Header
Chain Pulley
Stacker
Chain
Trolley
Rail
,
I
Manual
Release
Arm
Door 8racket
Garage
ODOr
• 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 1 t and 22.
Do you have an access door in addition to the garage
door?. If not, Model 53702 Emergency Key Release is
required. See page 34.
You may find it helpful to refer back to this page as you proceed with the installation
of your opener.
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