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iNSTALLATiON STEP 1
Determine the HeaderBracketLocation
To prevent possible SERIOUSINJURYor DEATH:
* Headerbracket MUST be RIGIDLY fastened to structural
support on headerwall or ceiling, otherwise garagedoor
might NOTreversewhen required. DONOT install header
bracket over drywall.
. Concrete anchors MUST be used if mounting header bracket
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 unbalanced
garagedoor might NOTreverse when required.
Installation procedures vary according to garagedoor types.
Follow the instructions which apply to your door.
1. Closethe door and mark the inside vertical centefline of the
garagedoor.
2. Extendthe line onto the headerwail above the door.
You can fasten the header bracketwithin 4 feet (1.22 m) of
the left or rightof the door center only if a torsion springor
center bearingplate is in the way; or youcan attach it to the
ceiling (see page 13) when clearance is minimal. (it may
be mountedon the wait upsidedown if necessary,to gain
approximately 1/2" (1 cm).)
If you need to install the headerbracket on a 2x4 (on wall or
ceiling), use lag screws (not provided) to securely fasten the
2x4 to structural supports as shown hereand on page13.
3. Openyour door to the highest point of travel as shown. Draw
an intersecting horizontal line on the headerwall 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 edgeof the
door.
NOTE:If the total number of inches exceedsthe height available
in your garage, use the maximum height possible, or refer to
page 13 for ceiling installation.
Header Wall
Un.f!nished
Ceiling _ BRACKETNOUNTCEILINGOPTIONALHEADERFOR
Vertical Centerline
of Garage Door
2x4
Structural
SuppoRs
HeaderWall
_2" (5 cm) Track
i
Highest Point
of Travel
--Door
Sectional door with curved track
HeaderWall Track
Highest Point
of Travel
7
0no-piece door with horizontal track
Door
Hardware
Header Wall
',- 8" (20 cm)
Highest
Point
of Travel
One-piecedoorwithout track:
jambhardware
Door
-leader Wall
8" (20 cm)
Highest
Point
of Travel
Pivot
0no-piece door without track:
pivothardware
12
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