SECTIONAL DOOR AND ONE-PIECE DOOR WITH TRACK)
• 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 14) when clearance is
minimal. (It may be mounted on the
wall upside down if necessary, to gain
approximately 13mm.)
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 here and on page 14.
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
25).
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 professional garage door service.
• 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.
IF YOUR 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.
Installation Section: Pages 13 – 22
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