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INSTALLATION STEP 1
Determinethe Header BracketLocation
To prevent possible SERIOUSINJURYor DEATH:
• Header bracket MUST be RIGIDLYfastened to structural
support on headerwall or ceiling, otherwise garagedoor
might NOTreversewhen required. DO NOTinstall header
bracket over drywall.
• Concrete anchors MUST be used if mounting headerbracket
or 2x4 into masonry.
• NEVERtry to loosen, move or adjust garagedoor, 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 unbalancedgarage door
might NOTreversewhen required.
Header Wall
Unifliinnghe_
Vertical Centerline
of Garage Door
2x4
OPTIONAL
CEILING
MOUNT
FOR
HEADER
BRACKET
Structural
Suppo_s
Installation procedures vary according to garagedoor types.
Follow the instructions which apply to your door.
1. Closethe door and mark the inside vertical centerline of the
garagedoor.
2. Extendthe line onto the headerwall abovethe door.
Youcan fastenthe header bracketwithin4 feet (1.22 m) of
the left or rightof the door centeronly if a torsionspringor
centerbearing plate is in the way;or you can attach it to the
ceiling (see page 13) whenclearance is minimal. (It may be
mountedonthe wall upsidedown if necessary,to gain
approximately1/2" (1 cm).)
If you needto 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. Openyour door to the highest point of travel as shown. Draw
an intersecting horizontal line on the headerwall abovethe high
point:
• 2" (5 cm) abovethe high point for sectional door and
one-piece door with track.
• 8" (20 cm) abovethe high point for one-piece door without
track.
This height will provide travel clearancefor the top edge of the
door.
NOTE:If the total number of inches exceedsthe height available
in your garage, use the maximum height possible, or refer to
page 13for ceiling installation.
HeaderWall Track
_2_" (.5cm)
<,[ i
HighestPoint
of Travel
--Door
Sectional door with curved track
Hardware
HeaderWall
-8" (20 cm)
Highest
Point
of Travel
One-piecedoorwithouttrack:
jambhardware
Y
Track
HeaderWall
"_',_ 2" (5 cm)
_et Point
of Travel
r
One-piece doorwith horizontal track
Header Wall
Pivot
One-piece door without track:
pivot hardware
12
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