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Planning
Identify the type and height of your garage door
Survey your garage area to see if any of the
conditions below apply to your installation, Additional
materials may be required,,You may find it helpful to
refer back to this page and the accompanying
illustrations as you proceed with the installation of
your opener
Depending on your requirements, there are several
installation steps which may calf for materials or
hardware not included in the carton,
• Installation Step I - Look at the wall or ceiling
above the garage door, The header bracket must
be securely fastened to structural supports.
- Installation Step 5 - Do you have a finished ceiling
in your garage? If so, a support bracket and
additional fastening hardware may be required.,
- Installation Step 10 - Depending upon garage
construction, extension brackets or wood blocks
may be needed to install sensors.
. Installation Step 10-Alternate floor mounting of
the safety reversing sensor wilt require hardware
not provided.
Do you have an access door in addition to the
garage door? If not, Model 53702 Emergency Key
Release is required See Accessories page.
Look at the garage door where it meets the floor,
Any gap between the floor and the botlom of the
door must net exceed 1/4" (6 mm) Otherwise, the
safety reversal system may not work properly, See
Adjustment Step 3 Floor or door should be
repaired_
SECTIONAL DOOR INSTALLATIONS
• Do you have a steel, aluminum, fiberglass or glass
panel door? tf so, horizontal and vertical
reinforcement is required (Installation Step 11).
o The opener should be installed above the center of
the door If there is a torsion spring or center
bearing plate in the way of the header bracket, it
may be installed within 4 feet (1,22 m) to the left or
fight of the door center See Installation Steps 1
and 11,
• If your door is more than 7 feet (2,13 m) high, see
rai] extension kits listed on Accessories page
SECTIONAL DOOR INSTALLATION
Horizontal and vedical reinforcement
is needed !of lightweight garage doors
(_iberglass, steel, aluminum, door with
glass panets, elc ) See page 23 for details
FINISHED CEILING
Slack in chain tension
is nolTaal when
garage door is closed
OR Spdng
Suppoll brackel &
fastening hardware
is required,
See page 16
Rail
Motor unit
_ Centertine
Wall-
mounte_
Door
Cenirol
Gap between t=oor
and bottom of door
must not exceed 1/4",
Safety
Reversing
SetlBOt"
o!
Header CLOSED POSIT_ON
Brackel
Trolley
Slop Boll Trolley
I
Cha{n
Emergency
Release
Rope & Handle
Arm
Dam
Bracket