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Idiomas disponibles
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IINSTALLATIOH
STEP
1
Determine
the
Header
Bracket
Location
To prevent possible SERIOUS INJURYor DEATH:
• Headerbracket MUSTbe RIGIDLY fastenedto
structural support on headerwall or ceiling, otherwise
garagedoor might net reversewhen required= DO NOT
install headerbracketover drywall,,
- Concreteanchors MUSTbe used if mounting header
bracketor 2x4 into masonry
- NEVER try to loosen, move or adjust garagedoor,
springs, cables,pulleys,brackets,or their hardware,
all of which are underEXTREME tension
- ALWAYS call a trained door systemstechnicianif
garagedoor 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 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_
(5
Cffl)
Track
of Travel
-- Door
Sectional door with curved track
or
_deader
Watt
:-8" (20 cm)
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
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