Centurion SD04 - Page 31

page 31
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OPERATOR INSTALLATION
SECTION 6
OPERATOR INSTALLATION
FIGURE 51
FIGURE 52
FIGURE 53
Tensioning bracket
Header bracket
Tensioning
bracket
SDO4
drive rail
Header bracket
hole
Tensioning
bracket hole
Control unit
Face down
Align the holes on the side of the
tensioning bracket with the holes of
the header bracket.
Position the SDO4 in place, with
the open end of the drive rail facing
theoor,andthetensioningbracket
towardsthegaragedoor.Youwill
need a second person to assist you
with this.
6.2.2.2. Mounting the SDO4 to
the header bracket
If you are on your own,
use a ladder to support
the control unit end of
the SDO4 while you are
positioning it for the next
step (Figure 52).
If, after securing the header
bracket, it is slightly out
(not level), use a hammer
to knock the tabs gently up
or down with a small spirit
level placed on top of them.
This will ensure a perfectly
level installation.
Small spirit
level
Header
bracket
tabs
Hammer
Header
bracket
It is important at this point
of the installation to ensure
that the batteries are
connected before continuing
with the installation.