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Install the header bracket, Ceiling header bracket installation, Installation step 2 – Chamberlain WHISPER DRIVE WD822KD User Manual

Page 13

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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. Drill 3/16" pilot

holes and fasten the bracket securely to a structural
support with the hardware provided.

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 fl ush 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.

Vertical
Centerline
of Garage
Door

Vertical
Centerline
of Garage Door

Optional
Mounting Holes

Lag Screws
5/16"-9x1-5/8"

2x4
Structural
Support

Horizontal
Line

Wall Mount

Header
Bracket

Door Spring

Highest Point of
Garage Door Travel

- Garage Door -

- Header Wall -

Vertical Centerline
of Garage Door

Vertical
Centerline
of Garage Door

Garage Door

Lag Screws
5/16"-9x1-5/8"

Ceiling Mounting Holes

Header
Bracket

Door
Spring

6" (15 cm) Maximum

- Header Wall -

- Finished Ceiling -

HARDWARE SHOWN ACTUAL SIZE

Lag Screw
5/16"-9x1-5/8"