Mount The Header Bracket - Chamberlain POWER DRIVE 7920KD Assembly & Installation Manual

4
Mark Bracket Holes
Center bracket on the "center
of garage door" line and the
horizontal line made in Step 2.
Horizontal Line
Highest Point
of Travel
Center of
Garage Door
Ceiling Mount the Header Bracket (Optional)
NOTE: If your installation requires that the
header bracket be mounted to the ceiling. The
back edge of the bracket MUST NOT be
further than 6" (15 cm) from the header wall
and the arrow MUST point away from the
header wall.
7
Attach Rail to the Header Bracket
A14
Header Bracket
Garage
Door
ALL HARDWARE
SHOWN
ACTUAL SIZE

MOUNT THE HEADER BRACKET

A14
Bracket
Mark the top
and bottom
bracket holes
UP
C6
Ring Fastener
A14
Header
Bracket
C11
Clevis Pin
Mounting
Hole
Existing
Clevis Pin
C18
Lag Screw
5
Drill Holes
Drill two 3/16"
pilot holes
Existing
Header Bracket
C2
Spacer
Mounting
Hole
Option with
some pre-existing
installations
Opener Carton
C11
Clevis Pin
11
6
Attach Bracket
Secure bracket
with lag screws
UP
Center the bracket
on the "center of
garage door" line
A14
Bracket
Use holes on
left and right side
to secure bracket
Ceiling Mount
A14
Header
C6
Bracket
Ring Fastener
C11
Clevis Pin
Mounting
Hole
NOTE: If the door spring
is in the way, you'll need
help. Have someone hold
the opener securely on a
temporary support to allow
the rail to clear the spring.
C6
Ring Fastener
C18
Lag Screw
C2
Spacer