Chamberlain 7200 - One-Piece Door Header Bracket Location

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Read the
Safety
tnstructions
on
page
12.They
also
apply
to
doors
without
tracks.
Header
Wall
.
Close
the door
and
mark
the
inside
vertical centerline
of
your
garage
door.
Extend
the
line
onto the
header
wall
above
door.
lf headroom
clearance
is
minimal,
you
can
installthe
header
bracket
on
the ceiling.
See
page
14.
.
If
you
need
to
install
the
header
bracket
on a 2x4
(on
wall
or ceiling),
use
lag
screws
(not supplied)
to securelY
fasten
the
2x4 to
structural
supports
as shown.
Vertical
Centerline
2x4
OPTIONAL
CEILING
MOUNT
FOR HEADER
BRACKET
Header
Wall
Highest
Point
of Travel
I
Ë
o
.9
Door
Jamb
Hardware
One-piece
door
without
track
jamb
hardware
.
Open
your
door
to the
highest
point
of
travel
as
shown.
Measure
the
distance
from
the
top
of the
door
to the
floor.
Subtract
the actual
height
of
the
door.
Add
B"
to the
remainder.
(See Example.)
.
Close
the door
and
draw
an
intersecting
horizontal
line
on the
header
wall at
the determined
height.
lf the
total
number
of inches
exceeds
the
height
available
in
your
garage,
use the
maximum
height
possible, or refer
to
page
14
for ceiling
installation.
One-piece
door
without
track
pivot
hardware
Example
Distance
from
top
of door
(at
highest
point
of travel)
to
floor.......'..."
Actual
height
of
door
Remainder..
Add.............
Bracket
height
on
header
wa11................'.
(Measure UP
from
top of
CLOSED
door.)
....92"
...-88"
....4u
..+8"
=12"
Unfinished
-
Supports
Centerline
of
Garage
Door
Vertical
Highest
Point
of
Travel
-l
Header
Wall
î
I
Ë
ñ
.q
o
Door
Pivot
Proceed
to
SteP
2,
Page
14
13
Nortek, Exhibit 1012