Chamberlain 2000E - 1/3 HP - Manual (Page 11)

Door
Highest Point
of Travel
Header
Wall
Pivot
Distance
Header Wall
Vertical
Centerline
Vertical
Centerline of
Garage Door
25mm
Board
Unfinished
Ceiling
Structural
Support
25mm Board
OPTIONAL CEILING MOUNT
• Close the door and mark the
inside vertical centerline of
your garage door. Extend the
line onto the header wall
above door.
If headroom clearance is
minimal, you can install the
header bracket on the ceiling.
See page 12.
• If you need to install the header
bracket on a 25mm board (on
wall or ceiling), use lag screws
(not supplied) to securely
fasten the 25mm board to
structural supports as shown.
EXAMPLE
Distance from top of door
(at highest point of travel) to floor .....................234cm
Actual height of door ......................................– 224cm
Remainder ..........................................................10cm
Add ..................................................................+ 20cm
Bracket height on header wall .........................= 30cm
(Measure UP from top of CLOSED door.)
Proceed to Step 2, page 12.
11
Header Wall
Highest Point
of Travel
Door
Distance
Jamb
Hardware
ONE-PIECE DOOR WITHOUT TRACK
• Open your door to the highest point of travel as
shown. Measure the distance from the top of the
door to the floor. Subtract the actual height of the
door. Add 20cm to the remainder. (See Example).
• Close the door and draw an intersecting horizontal
line on the header wall at the determined height.
NOTE: If the total number of centimeters
exceeds the height available in your garage, use
the maximum height possible, or refer to page
12 for ceiling installation.
One-piece door without track
pivot hardware
One-piece door without track
jamb hardware
Please read and comply with the warnings on page 10. They apply to the installation of the header
bracket regardless of door type.