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• Open your door to the highest
point of travel as shown. Draw
an intersecting horizontal line
on the header wall 5cm above
the high point. This height will
provide travel clearance for the
top edge of the door.
10
Proceed to Step 2, page 12.
Header
Wall
Ceiling
Track
Highest Point
of Travel
Door
Header
Wall
Door
Track
Jamb
Hardware
Highest Point
of Travel
Vertical
Guideline
– Finished Ceiling –
Vertical
Guideline
– Header –
Wall
25mm
Board
Structural
Supports
SECTIONAL DOOR AND ONE-PIECE DOOR WITH TRACK(S)
• Close the door and mark the inside
vertical centerline of the garage door.
• Extend the line onto the header wall
above the door.
Remember, you can fasten the
header bracket within 60cm of the
left or right of the door center only if
a torsion spring or center bearing
plate is in the way; or you can attach
it to the ceiling (refer to page 12)
when clearance is minimal.
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.
Installation Step 1
Determine Header Bracket Location
Installation procedures vary according to garage
door types. Follow the instructions which apply to
your door.
IF THE HEADER BRACKET IS NOT
RIGIDLY FASTENED TO A
STRUCTURAL SUPPORT ON THE
HEADER WALL OR CEILING, THE
SAFETY REVERSE SYSTEM MAY NOT
WORK PROPERLY (SEE PAGE 22). THE DOOR
MIGHT NOT REVERSE WHEN REQUIRED, AND
COULD CAUSE SERIOUS INJURY OR DEATH.
THE GARAGE DOOR SPRINGS, CABLES, PULLEYS,
BRACKETS AND THEIR HARDWARE ARE UNDER
EXTREME TENSION. DO NOT ATTEMPT TO
LOOSEN, MOVE OR ADJUST THEM YOURSELF.
SERIOUS PERSONAL INJURY OR DEATH COULD
RESULT. CALL FOR GARAGE DOOR SERVICE.
IF YOURS IS A CANOPY OR DUAL-TRACK
STYLE GARAGE DOOR, A DOOR ARM
CONVERSION KIT IS REQUIRED. FOLLOW THE
INSTALLATION INSTRUCTIONS INCLUDED
WITH THE REPLACEMENT DOOR ARM.
SECTIONAL DOOR WITH
CURVED TRACK
ONE-PIECE DOOR WITH
HORIZONTAL TRACK &
JAMB HARDWARE