Craftsman 139.53993D Garage Door Opener User Manual


 
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.
Wall Mounting Holes
Optional
Wall Mounting Holes
Header
-- Wall
2x4 !
Structural t
Support
The nail hole is for
You must use lag screws
to mount the header bracket.
) Vertical
._Centerline of
Garage Door
Lag Screws
5/16"-9xl -5/8"
HARDWARE SHOWN ACTUAL SIZE
Lag Screw
5/16%9xl -5/8"
f
Horizontal
Line / _
/
J
Highest Point of
Garage Door Travel
Garage
- Door-
Vertical
Centerline of
Garage Door
CEILING HEADER BRACKET INSTALLATION
Extend the vertical centerline onto the ceiling as shown.
Center the bracket on the vertical mark, no more than
6" (15 cm) from the wall. Make sure the arrow is
pointing toward 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
6" (15 cm)
Door
Door
Lag Screws
The nail hole is for
positioning only,
You must use lag screws ,_
to mount the he _- /
of Garage Door
Header Wall
13