Installation Section: Pages; Determine Header Bracket Location Sectional Door - Craftsman Sears 139.18865 Manuel Du Propriétaire

The Chamberlain Group, Inc.
Installation Step 1
Position Header Bracket
The Chamberlain Group, Inc.
Sectional and One-Piece Track Installations
Determine Header Bracket Location
Position Header Bracket
1/30/92 - 4/6/92
Sectional and One-Piece Track Installations
Installation procedures vary according to
garage door types. Follow the instructions
1/30/92 - 4/6/92
which apply to your door.
SECTIONAL Door and
ONE-PIECE Door With Track
Header
Header
Wall
• 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
Door
available for sectional doors
when headroom clearance is
less than 2". See accessory
page 38.
SECTIONAL DOOR CURVED TRACK
Proceed to Step 2, page 14.
Installation Section: Pages 12 – 27
The Chamberlain Group, Inc.
Position Header Bracket
Sectional and One-Piece Track Installations
1/30/92 - 4/6/92
Header
Wall
Wall
Vertical
Guideline
Vertical
Guideline
Ceiling
Header
Wall
Header
Wall
Track
2"
Highest Point
of Travel
Highest Point
of Travel
Door
SECTIONAL DOOR CURVED TRACK
SECTIONAL DOOR AND
If the header bracket is not rigidly fastened to
ONE-PIECE DOOR WITH TRACK
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
Finished
Vertical
Vertical
Ceiling
or death could result. Call for professional
Guideline
Guideline
Finished
garage door service.
Ceiling
2x4
2x4
Structural
Supports
Vertical
Guideline
Ceiling
Ceiling
Header
Wall
2"
Track
2"
Highest Point
of Travel
Door
SECTIONAL DOOR CURVED TRACK Sectional door
with curved track
12
SECTIONAL DOOR AND
WARNING
ONE-PIECE DOOR WIT
ONE-PIECE DOOR WITH TRACK
CAUTION
Finished
Ceiling
2x4
Structural
Structural
Supports
Supports
• 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
Vertical
a torsion spring or center bearing
Guideline
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 supplied) to securely fasten
the 2x4 to structural supports as shown
here and on page 13.
Track
Header
Highest Point
Door
Door
One-piece door
ONE-PIECE DOOR WITH HORIZONTAL TRACK
& JAMB HARDWARE
with horizontal track
ONE-PIECE DOOR WITH HORIZONTAL TRACK
& JAMB HARDWARE
SECTIONAL DOOR
Header
Wall
Track
2"
Wall
Track
2"
Highest Point
of Travel
Door
of Travel
ONE-PIECE DOOR WITH HORIZO
& JAMB HARDWAR
He
W
2
Hi