Chamberlain 3575CS Manuel D’Utilisation
9
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).
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).
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 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
holes designated for ceiling mount). Drill 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
Lag Screw
5/16"-9x1-5/8"
5/16"-9x1-5/8"
HARDWARE SHOWN ACTUAL SIZE
Lag Screws
5/16"-9x1-5/8"
5/16"-9x1-5/8"
Highest Point of
Garage Door Travel
Garage Door Travel
Vertical
Centerline of
Garage Door
Centerline of
Garage Door
Header
Wall
Wall
Garage
Door
Door
UP
CEILING MOUNT ONLY
Wall Mounting Holes
Optional
Wall Mounting Holes
Wall Mounting Holes
The nail hole is for
positioning only.
You must use lag screws
to mount the header bracket.
positioning only.
You must use lag screws
to mount the header bracket.
UP
CE
ILIN
G M
OU
NT
ON
LY
Door Spring
Header
Bracket
2x4
Structural
Support
Structural
Support
Vertical
Centerline of
Garage Door
Centerline of
Garage Door
Horizontal
Line
Line
UP
CEILING MOUNT ONLY
Ceiling Mounting Holes
The nail hole is for
positioning only.
You must use lag screws
to mount the header bracket.
positioning only.
You must use lag screws
to mount the header bracket.
UP
Lag Screws
5/16"-9x1-5/8"
5/16"-9x1-5/8"
Garage Door
Vertical
Centerline
of Garage Door
Centerline
of Garage Door
Header Wall
– Finished Ceiling –
Header
Bracket
6" (15 cm)
Maximum
Maximum
Vertical
Centerline
of Garage Door
Centerline
of Garage Door
Door
Spring
Spring
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.
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.
bracket securely to a structural support with the
hardware provided.