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-In some installations it may be
necessary to install a 2x4 across
two studs to create a location for
header bracket or over drywall
Use lag screws (not provided)
to secure 2x4 (structural support) into
wood. Use concrete anchors to secure 2x4
into masonry.
Add a 2 x 4 as a Structural Support
(If Necessary)
Highest Point
of Travel
2" (5 cm)
Mark a spot on the “center of the
garage door” line, 2" (5 cm) above the
highest point of travel of the garage door
Determine the Highest Point of
Travel, and Draw Horizontal Line
for Header Bracket Placement
NOTE: You can fasten the header bracket within 4 feet
(1.2 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 when clearance is
minimal.
Fasten header bracket securely to structural supports.
It may be necessary to use a 2 x 4 as a structural
support if installing on drywall or between two studs as
shown in Step 3. Securely fasten 2 x 4 to structural
supports using lag screws (not provided). Concrete
anchors must be used if mounting header bracket or
2 x 4 into masonry.
To prevent possible SERIOUS INJURY or DEATH:
• Header bracket MUST be RIGIDLY fastened to structural
support on header wall or ceiling, otherwise garage door
might not reverse when required.
• NEVER try to loosen, move or adjust garage door, springs,
cables, pulleys, brackets, or their hardware, ALL of which are
under EXTREME tension.
WARNINGWARNING
CAUTION
WARNING
WARNING
INSTALL THE HEADER BRACKET
door, wall a
Level
(optional)
Mark the center of the garage door on door
and wall and extend onto the ceiling
10
2
3
INSTALLATION
Mark the Center of the
Garage Door
1