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INSTALLATION STEP 1
Determine the Header Bracket
Location
To prevent possible SERIOUSINJURYor DEATH:
• Headerbracket MUSTbe RIGIDLYfastenedto
structural support on headerwall or ceiling, otherwise
garage door might not reversewhen required. DONOT
install header bracketover drywall.
• Concreteanchors MUST be used if mounting header
bracket or 2x4 into masonry.
• NEVERtry to loosen, move or adjust garage door,
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
unbalancedgaragedoor might not reversewhen
required.
Installation procedures vary according to garage door
types. Follow the instructions which apply to your
door.
1.Close the door and mark the inside vertical
centerline of the garage door.
2. Extend the line onto the header wall above the
door.
You can fasten the header bracket within 4 feet
(1.22 m) of the left or right of the door center
only if a torsion spring or center bearing plate
is in the way; or you can attach it to the ceiling
(see page 13) when clearance is minimal. (It
may be mounted on the wall upside down if
necessary, to gain approximately 1/2" (1 cm).
If you need to install the header bracket 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. Open your door to the highest point of travel as
shown. Draw an intersecting horizontal line on the
header walt above the high point:
• 2" (5 cm) above the high point for sectional door
and one-piece door with track.
• 8" (20 cm) above the high point for one-piece
door without track.
This height wilt provide travel clearance for the top
edge of the door.
NOTE: If the total number of inches exceeds the
height available in your garage, use the maximum
height possible, or refer to page 13 for ceiling
installation.
Header Wall
Unfinishe_
Ceilin OPTIONAL
g CEILING
MOUNT
FOR
HEADER
BRACKET
Vertical Centerline
of Garage Door
2x4
Structural
Suppods
Header Wal_
"--'--2" (5 cm) Track
of Travel
Door
Sectional door with curved track
4eader Wall Track
/f Highest Point
of Travel
One-piece door with horizontal track
_0 ci_)HeaderWall
Doer __ _!igihl!;tel
One-piece door without track:
jamb hardware
Header Wall
Pivot
One-piece door without track:
pivot hardware
12