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Planning
Identify the type andheight of your garagedoor. Surveyyour
garageareato see if any of the conditions below apply to your
installation. Additional materials may berequired. You may find it
helpful to referback to this pageand the accompanying
illustrations as you proceedwith the installation of your opener.
Dependingon your requirements,there are several installation
steps which may call for materialsor hardware not included in
the carton.
• Installation Step 1 - Look at the wall or ceiling abovethe
garagedoor. Theheader bracketmust be securely fastenedto
structural supports.
• Installation Step 5 - Do you have a finished ceiling in your
garage? If so, a support bracketand additionalfastening
hardware may be required.
• Installation Step 12- Dependingupon garageconstruction,
extension brackets or wood blocks may be neededto install
sensors.
• Installation Step 12 - Alternate floor mounting of the safety
reversingsensor will require hardwarenot provided.
Doyou have an access door in addition to the garagedoor? If
not, Model 139.53702 EmergencyKey Releaseis required.See
Accessoriespage.
Lookat the garage door where it meetsthe 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. SeeAdjustment Step 2. Floor or door should be
repaired.
SECTIONALDOORINSTALLATION
• Doyou havea steel, aluminum, fiberglass or glass panel door?
If so, horizontal and vertical reinforcement is required
(Installation Step 8).
• Theopener should be installed abovethe center of the door.
If there is a torsion spring or center bearing platein 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 8.
• 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.). Seepage 18 for details.
HeaderWall
Rail
Extension Spring
OR
Torsion Spring
FINISHEDCEILING
Support bracket &
fastening hardware
is required.
Seepage 16.
Wall- mounted
Door Control
Gap betweenfloor
and bottom of door
must not exceed 1/4" (6 mm).
Safety
Reversing
Sensor
AccessDoor
0
Header CLOSEDPOSITION
Bracket Trolley
Stop Bolt Trolley
Curved
Header Door
Wall Arm
Garage
Door Bracket
Belt
Emergency Release
Rope & Handle