Sears 139.53930D 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 horioontal line as
shown (with the arrow pointing toward the ceiling).
Mark the vertical set of bracket holes (do not use the
holes designated for ceiling mount). Drill 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
HARDWARE SHOWN ACTUAL SIZE
Lag Screw
5/16"-9xl -5/8"
Wall Mount
Optional
Mounting Holes
Header
-- Wall--
2x4
Structural
Support
I
Horizontal
Line
"_ j-J
Highest Point of
Garage Door Travel
Vertical
Centerline
Door
Lag Screws
5/16"x9x1-5/8"
Door Spring
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 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
- Finished CeiUing -
.- [- Vertical Centerline
of Garage Door
Header
Bracket
6" (15 cm) Maximum
Door
Spring _ Lag Screws
5/16"x9x1-5/8"
-- Header Wall --
Centedine
of Garage Door
13