LiftMaster ELITE Série Mode D'emploi page 8

Installation
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).
HARDWARE
Lag Screw
5/16" - 9 x 1-5/8"
OPTION A
WALL INSTALLATION
2.1A
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).
2.2A
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 lag screws.
OPTION B
CEILING INSTALLATION
2.1B
Extend the vertical centerline onto the
ceiling as shown.
2.2B
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.
2.3B
Mark the side holes. Drill 3/16" pilot holes
and fasten bracket securely to a structural
support with lag screws.
Wall Mount
2x4 Structural
Support
Horizontal
Line
Highest Point of
Garage Door
Travel
Optional
Mounting
Holes
Ceiling Mounting Holes
6" (15 cm)
Maximum
Door Spring
8
(Header Wall)
Header
Bracket
(Garage Door)
Header
(Finished Ceiling)
Bracket
(Garage Door)
Vertical
Centerline of
Garage Door
Lag Screw
5/16" - 9 x 1-5/8"
Door Spring
Vertical
Centerline of
Garage Door
Lag Screw
5/16" - 9 x 1-5/8"
(Header Wall)