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IINSTALLATIOH STEP 1
Determine the Header Bracket
Location
TopreventpossibleSERIOUSINJURYor DEATH:
• HeaderbracketMUSTbe RIGIDLYfastenedto
structuralsupport on headerwall or ceiling, otherwise
garagedoor might netreversewhenrequired=DO NOT
install headerbracketoverdrywall,,
- ConcreteanchorsMUSTbeusedif mounting header
bracketor 2x4 into masonry
- NEVERtry to loosen,moveor adjust garagedoor,
springs,cables,pulleys,brackets,or their hardware,
all of which are underEXTREMEtension
- ALWAYScalla traineddoor systemstechnicianif
garagedoor binds, sticks, or is out ofbalance An
unbalancedgaragedoor might notreversewhen
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 wail 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 wall 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 will provide travel clearance for the top
edge of the door,
NOTE: ff 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 Wat_
(5Cffl)
Track
of Travel
-- Door
Sectional door with curved track
or _deader Watt
:-8"(20cm)
Do Highest
One-piece door without traLck:
jamb hardware
Header Wa_ Track
_ gh:.lS_ P°in t
oZ
17
One-piece door with horlzont_l treck
One-piece door without track:
pivot h_rdware
12