Illustrationof Sectional Door Installation - Craftsman 139.53963SRT Owner's Manual

SECTIONAL Door Installation
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 lig_wetght garage doo_
(fiberglass, steel, aluminum, door with glass panels, etc.).
See page 24 for details.
;afety Reversing Sensor
Floo¢ must be level
across width of door
Based on your particular requiremeats, 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.
• Safety reversing sensor, page 16 - Depending upon
garage construction, extension bracketsor wood blocks
may be needed to fasten sensors to mounting locations.
• Step 4, page 17 - Floor mounting of the safety reversing
sensorwill require hardware not provided.
• Step 6, page 20 - Do you have a finished ceiling in your
garage? If so, a support bracket andadditional fastening
hardware may be required.
• Step 12, 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.
Reversing
Sensor
Closed Position
Header Rail Assembly
Bracket Rail
B.=. I
Emergency
Arm Rope& Handle
• Curved
Door Door
Bracket Arm
• The opener can be installed within 4 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 listed 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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