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INSTALLATION SECTION: PAGES 12- 27
Installation Step 1
Determine Header Bracket Location
Installation procedures vary according to garage
door _'pes. Follow the instructions which apply to
your door.
Header
Wall
Vertical Finished
GuideIine Ceiting
2x4 Structural
Supports
If the header bracket is not rigidly fastened to a
structuralsupport on the headerwall or ceiling, the
safety reverse system may not work properly (see
page30). Thedoormightnotreversewhenrequired,and
cou/dcauseseriousinjuryordeath.
The garagedoorsprings,cables,pulleys,bracketsand
theirhardwareareunderextremetension.Donotattempt
to/oosen, move or adjust them yourse/f. Serious
persona/ injury or death cou/d resu/t. Call for
professionalgaragedoorservice.
SECTIONAL Door or
ONE PIECE Door with Track
Ceiling
Header
Wail
, 3" Track
i
...... !- I
_High st Point
of Travel
Door
Header
Wall Track
i 3"
i [
Highest Point
of Travet
• Close the door and mark the inside
vertical centerline 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 only if a torsion
spring or center bearing 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".)
Ij)'ou need to install the header bracket otl
a 2x4 (on wall or ceiling), use lag screws
(not supplied) to securelyJasten 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 3"
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". See accessory
page 38.
Proceed to Step 2, page 14.
Sectional door
with curved track
One-piece door
with horizontal track
12
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