Chamberlain 8365W - Header Bracket Installation

10
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
1. 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. 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.
Wall Mount
Optional
Mounting
Holes
Vertical
Centerline of
Garage Door
(Header Wall)
Header
Bracket
2x4 Structural
Support
Door Spring
(Garage Door)
Highest Point of
Garage Door
Travel
Horizontal
Line
Lag Screw
5/16"-9 x 1-5/8"
OPTION B - CEILING INSTALLATION
1. Extend the vertical centerline onto the ceiling as shown.
2. 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.
3. Mark the side holes. Drill 3/16" pilot holes and fasten bracket securely to a
structural support with the hardware provided.
(Header Wall)
Ceiling Mounting Holes
(Finished Ceiling)
Vertical
Centerline of
Garage Door
Header
Bracket
6" (15 cm)
Maximum
Door Spring
(Garage Door)
Lag Screw
5/16"-9 x 1-5/8"