Install The Header Bracket; Wall Header Bracket Installation; Ceiling Header Bracket Installation - Chamberlain Security+ 3000E Manual Del Proprietário

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 (do not use the
holes designated for ceiling mount). Drill 5 mm pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
HARDWARE SHOWN ACTUAL SIZE

CEILING HEADER BRACKET INSTALLATION

• Extend the vertical centerline onto the ceiling as shown.
• Center the bracket on the vertical mark, no more than
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 5 mm pilot holes and fasten
bracket securely to a structural support with the
hardware provided.
Lag Screw
5/16"-9x1-5/8"
Ceiling Mounting Holes
Optional
Wall Mounting Holes
Header
– –
Wall
Header
Bracket
38 mm
Board
Highest Point of
Garage Door Travel
Header
Bracket
15 cm Maximum
Door
Spring
Garage Door
Vertical
Centerline of
Garage Door
18
Wall Mounting Holes
Vertical
Centerline of
Garage Door
Lag Screws
5/16"-9x1-5/8"
Door Spring
Garage
Door
Vertical Centerline
f G D
– Finished Ceiling –
Vertical Centerline
of Garage Door
Lag Screws
5/16"-9x1-5/8"
Header Wall