Centurion SD04 Installation Manual page 36

Align the holes of the punched angle
iron mounted to the ceiling, with
the holes on the punched angle iron
mounted to the drive rail hanger.
Secure it into position using two
supplied M8 flange bolts and nuts
with a 13mm socket.
Ensure that the SDO4
control unit is in line
with the top edge of the
open garage door before
tightening the bolts in their
final position.
Correct and incorrect configurations
for mounting the SDO4 to the
ceiling.
M6 Flange bolts
Spirit level
SDO4
RECOMMENDED
page 36
Punched
angle iron
mounted
to ceiling
M6 Flange
nuts
Punched
angle iron
FIGURE 65
NOT RECOMMENDED
FIGURE 66
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