Bosch DIE 165 R Mode D'emploi Et Notice De Montage page 15

Installation
5. Screw together the upper and lower
sections of the support frame at the
specified overall height with 8 screws.
6. Screw the support frame to the ceiling
with 4 screws.
7. Remove the panel.
08. Insert the extractor hood over the
installation aids on the support frame.
09. Screw the extractor hood to the support
frame and screw back the panel.
10. Align the extractor hood. To do this,
loosen the ceiling screws in the support
frame.
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