Install The Header Bracket - Craftsman 139.53976SRT Owner's Manual

1/2 hp garage door opener
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iNSTALLATiON
STEP
2
Install
the
Header
Bracket
You can attach the header bracket either to the wall
above the garage door, or to the ceiling. Follow the
instructions which will work best for your particular
requirements.
Do not install the header bracket
over drywall.
If installing
into masonry,
use
concrete
anchors
(not provided).
WALL HEADER BRACKET
INSTALLATION
• Center the bracket on the vertical centerline with
the bottom edge of the bracket on the horizontal
line as shown (with the arrow pointing toward the
ceiling).
• Mark the vertical set of bracket holes. Drill 3/16"
pilot holes and fasten the bracket securely to a
structural support with the hardware provided,
Header
-- Wall
-
2x4
Structural
Support
Wall Mount
Optional
Mounting
Holes
Vertical
Centerline
Lag Screws
5/16"x9x1-5/8"
Spring
HARDWARE
SHOWN ACTUAL
SIZE
:]IIIIIIII1
Lag Screw
5/16"-9xl
-5/8"
Garage
]"
-- Door-
Highest Point of
Garage Door Travel
Vertical
Centerline
CEILING HEADER BRACKET
INSTALLATION
• Extend the vertical centerline onto the ceiling as
shown.
• Center the bracket on the vertical mark, no more
than 6" from the wall. Make sure the arrow is
pointing away from the wall. The bracket can be
mounted flush against the ceiling when clearance
is minimal.
• Mark the side holes. Drill 3/16" pilot holes and
fasten bracket securely to a structural support with
the hardware provided.
Ceiling Mounting
Holes
/
/
Header
t
Bracket
/
6" Maximum
Door
Spring
[_
//SS
- Finished
Ceiling
-
Vertical Centerline
Lag Screws
5/16"x9x 1-5/8"
-- Header Wall --
senterline
14

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