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FIGURE 47
FIGURE 46
6.2.2.1. Mounting the header bracket
The header bracket carries ALL of the opening and closing thrust of the
SDO4 SMART and as such must be securely fastened to a rigid, structural
member of the garage. It is entirely up to the installer to determine the
xing method and the structural suitability of the xing points.
Close the garage door, and
determine the garage door center
line and mark a vertical line on the
header above the door.
Highest arcing point
Highest arcing point marked on header
Spirit level
Garage door centre line
Garage door
Highest arcing
point
Header
Garage door
Determine the highest arcing point
of the garage door and mark this as
a horizontal line on the header above
the top edge of the garage door.
When marking important
lines needed for mounting
the header bracket, ensure
that a spirit level is used,
as it is imperative that
these lines are as level and
straight as possible.
OPERATOR INSTALLATION - TIP-UP DOORSSECTION 6
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