Owner`s manual

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Identify the type and height of your garage door. Surveyyour
garageareato see if any of the conditions below apply to your
installation. Additional materials may be required. You may find it
helpful to refer backto this pageand the accompanying
illustrations as you proceed with the installation ofyour opener.
Dependingon 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 abovethe garage
door. The headerbracket must besecurely fastenedto structural
supports.
• Installation Step 5 - Doyou 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 bracketsor wood blocks may be neededto install
sensors.
• Installation Step 10- Alternate floor mounting of the safety
reversingsensor will require hardware not provided.
Do you have an accessdoor in addition to the garagedoor? If
not, Model 53702 OutsideQuick Releaseis required. See
Accessories page.
Look at the garagedoor 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 reversalsystem may not
work properly. SeeAdjustment Step 3. Floor or door should be
repaired.
SECTIONALDOORINSTALLATIONS
• Do you have a steel, aluminum, fiberglass or glass paneldoor?
If so, horizontal and vertical reinforcement is required
(Installation Step 11).
• The openershould be installed abovethe center of the door. If
there is a torsion spring or center bearing plate in the way of the
headerbracket, it may be installedwithin 4 feet (1.2 m) to the
left or right of the door center. See Installation Steps 1 and 11.
• If your door is more than 7 feet (2.1 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
Slack in chain tension
is normal when
garage door is closed.
Extension Spring
OR
Torsion Spring
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 16.
Motor unit
Vertical
Centerline
of Garage
Door
Wall-
mounted
Door
Control
4
ty Reversing Sensor
Gap between floor
and bottom of door
must not exceed 1/4" (6 mm).
Safety Reversing
Sensor
Access Door
0
_ Header CLOSED POSITION
Bracket
/ Trolley
.......r.......
Garage /
_/._ _ G_age // Chain
_ r-',-_-/ Spring_o/
_////._1/////A /j/Y-_tr_irght --B_]eera%nCy
//_/ Arm Rope&Handle
He_der __Curved d'm
Wall _"N_I \ Door
L\N I Door Arm
Garage __l Bracket
Door