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Installation
Section:
Pages 12-
27
Installation
Step 1
Determine
Header Bracket
Location
Installation procedures vary according to
garage door types. Follow the instructions
which apply to your door.
l
1
l
__ Finished __
Vertical
Ce_ling
Guidal_e
tf the header bracket is not rigidly
fastened to
a structural
support
on the header
wall or
ceiling,
the safety
reverse
system
may not
work properly (see page 30). The door might
not reverse
when required,
and could cause
serious injury or death.
The garage
door springs,
cables,
pulleys,
brackets and their hardware are under extreme
tension.
Do not attempt
to loosen,
move or
adjust them yourself.
Serious personal
injury
or death could result. Call for professional
garage door service.
2x4
StruotursJ
• Close the door and mark the inside
vertical centedine of the garage door.
• Extend the line onto the header wall
above the door.
Remember, you can fasten the
header bracket within 2 feet of the
left or right of the door center onlylf
a torsion spring or center hearing
plate Is In the way; or you can attach
It to the ceiling (refer to page 14)
when clearance is minimal. (it may
be mounted on the wall upside down
If necessary, to gain approximately
1/2".)
If you need to install the header bracket
on a 2x4 (on wall or ceiling), use lag
screws (not provided) to secure_/ fasten
the 2x4 to structural supports as shown
here and on page 13.
• Open your door to the highest
point of travel as shown. Draw
an intersecting horizontal line,
on the header wall 2" above
the high point. This height will
provide travel clearance for the
top edge of the door.
Door clearance brackets are
available for sectional doors
when headroom clearance is
less than 2". Sea accessory
page 38.
Door
--
c_l_g
HNder
Wall
--
2"
Track
F1
'
Hig_
Point
ofTravel
Head<)(
Track
HighestPotrd
of Travel
Proceed to Step 2, page 14.
Sectional door
with curved track
One-piece door
with horizontal track
12
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