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12
Installation
STEP 1 Determine the header bracket location
To prevent possible SERIOUS INJURY or DEATH:
l Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling,
otherwise garage door might NOT reverse when required. DO NOT install header bracketover
drywall.
l Concrete anchors MUST be used if mounting header bracketor 2x4 into masonry.
l NEVER try to loosen, move or adjustgarage door, springs,cables,pulleys, brackets, or their
hardware, ALL of which are under EXTREME tension.
l ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.
An unbalanced garage door might NOTreverse when 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 leftor 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 maybe 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 highestpoint of travel as shown. Draw an intersecting horizontal line on
the header wall 2" (5 cm) above the high point:
l 2" (5 cm) above the high point for sectional door and one-piece door with track.
l 8" (20 cm) above the high point for one-piece door without track.
This height will 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
Vertical Centerline of Garage Door
2x4
Structural
Supports
Level
(Optional)
Unfinished
Ceiling
2x4
OPTIONAL CEILING MOUNT
FOR HEADER BRACKET
Sectional door with curved track
Header Wall
Track
2" (5 cm)
Highest
Point of
Travel
Door
One-piece door with horizontal track
Header Wall
Track
2" (5 cm)
Highest
Point of
Travel
Door
One-piece door without track:
jamb hardware
Header Wall
8" (20
cm)
Highest
Point of
Travel
Door
Jamb
Hardware
One-piece door without track:
pivot hardware
Header Wall
8" (20
cm)
Highest
Point of
Travel
Door
Pivot
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