Illustralicn Of Sec'donaldoor Instahljon - Craftsman 139.53678SRT Owner's Manual

1/2 hp
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Before you begin, survey
your garage urea to
see whether
any of the conditions
below apply
to your Installation.
0
Based on your particular requirements, there are
several installation steps which might call for
materials and/or he.ware
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.
t 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.
• Stop 10, page 22 - Alternate floor mounting, of the
sefaty 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.
• Lcok ai the garage door where it meets the floor.
It must clom on tbe floor all the way acroea.
OtluMm4se,the _
_
eystem nHy n,_t
work propedy. See page 30. Floor or dpor should
be repaired.
Ann
DoorBracket
• The opener can be installed within 2 feet to the left
or rigM of the door center if there is a torsion spring
or center beadng plate in the way of the header
bracket or door bracket area. ff your door has
extension springs, the opener must be installed
in the center of the dooa:. S ea pages 12 and 24.
• Do you have an access door In addition to the
garage door? If not, Model 53702 E_ncy
Key Release is required. See page 38.
• If your door Is more than 7 feet high, see the rail
e_enslon kits listed on page 38.
You may find it helpful to retbr back to thfa page H you proceed with the thstallation
of your opeear.
I
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