Owner`s manual
INSTALLATION STEP 1
Determinethe HeaderBracketLocation
To prevent possible SERIOUSINJURYor DEATH:
* Headerbracket MUST be rigidly fastened to structural
support on headerwall or ceiling, otherwise garagedoor
might not reversewhen required. DO NOTinstall header
bracket over drywall.
• Concrete anchors must be used if mounting header bracket
or 2x4 into masonry.
• NEVERtry to loosen, move or adjust garagedoor, springs,
cables, pulleys, brackets, or their hardware,ALL of which are
under EXTREMEtension.
• ALWAYScall a trained door systems technician if garage
door binds, sticks, or is out of balance.An unbalanced
garagedoor might not reversewhen required.
Installation procedures vary according to garagedoor types.
Follow the instructions which apply to your door.
1. Closethe door and mark the inside vertical centerline of the
garagedoor.
2. Extendthe line onto the headerwall above the door.
Youcanfastentheheader bracketwithin 4 feet (1.22 m) of
the leftor rightof the doorcenter only if a torsionspring or
centerbearingplate is in theway; or youcanattachit to the
ceiling(see page 13) whenclearanceis minimal. (It may be
mountedon thewall upsidedown if necessary,to gain
approximately1/2" (1 cm).)
If you need to install the headerbracket on a 2x4 (on wall or
ceiling), use lag screws (not provided) to securely fasten the
2x4 to structural supports as shown here and on page 13.
3. Openyour door to the highest point of travel as shown. Draw
an intersecting horizontal line on the headerwall above the
high point:
• 2" (5 cm) above the high point for sectional door and
one-piece door with track.
• 8" (20 cm) abovethe high point for one-piece door without
track.
This height will provide travel clearancefor the top edge of the
door.
NOTE:If the total number of inches exceedsthe height
available in your garage,use the maximum height possible, or
refer to page 13 for ceiling installation.
Header Wall
Unfinished
Ceiling
Vertical Centerline
of Garage Door
OPTIONAL
CEILING
MOUNT
FOR
HEADER
BRACKET
2x4 Structural
Supports
Header Wall
_L-_2" (5 cm) Track
_ighest Point
of Travel
-- Door
Sectional door with curved track
Y
Header Wall Track
I
_ighest Point
_" of Travel
r
One-piece door with horizontal track
Wall
Highest
Hardware
One-piece door without track:
jamb hardware
Header Wall
One-piece door without track:
pivot hardware
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