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Identify the type and height of your garage door. Surveyyour
garagearea 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 pageand the accompanying
illustrations as you proceed with the installation of your opener.
Depending on your requirements,there are several installation
steps which may call for materials or hardware not included in
the carton.
• Installation Step 1 - Look at the wall or ceiling above the
garagedoor. 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 - Dependingupon garage construction,
extension brackets or wood blocks may be needed to install
sensors.
• Installation Step 10 - Alternate floor mounting of the safety
reversingsensor will require hardware not provided.
• Doyou have an access door in addition to the garagedoor? If
not, Model 53702 Emergency Key Releaseis required. See
Accessories page.
Look at the garage door where it meets the floor. Any gap
betweenthe floor and the bottom of the door must not exceed
1/4" (6 mm). Otherwise,the safety reversal system may not
work properly. See Adjustment Step 3. Floor or door should be
repaired.
SECTIONALDOORINSTALLATIONS
• Doyou have a steel, aluminum, fiberglass or glass panel door?
If so, horizontal and vertical reinforcement is required
(Installation Step 11).
• The opener should be installed above the center of the door.
If there is atorsion spring or center bearing plate in the way
of the headerbracket, it may be installed within 4 feet (1.22 m)
to the left or right of the door center. See Installation
Steps 1 and 11.
• If your door is more than 7 feet (2.13 m) high, see rail
extension kits listed on Accessories page.
SECTIONALDOORINSTALLATION
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with
glass panels, etc.). See page 23 for details.
Header Wall
Rail
Extension Spring
OR
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 16.
,tor unit
Wall-
mounted [
Door Access Door
Control
0
Safety Reversing Sensor
Gap between floor
and bottom of door
must not exceed 1/4" (6 mm).
Safety
Reversing
Sensor
CLOSED POSITION
Header
Bracket Trolley
/ Stop Bolt Trolley
_ Garage ...... .....
F///,_ Door 'q/ --I Belt
_////4 Spring J?/", I
__ _/StrXa?ht L Emergency Release
_j Arm i_ Rope&Handle
I _ _ Curved
Header US _ Door
Wall I_\/I \ Arm
Garage HI £oo
Dooi-1-lJ
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