Miele DA 390-6 Operating Instructions Manual page 33

 Fit the four telescopic piece clamps.
When the screws are tightened, the
clamps spread out and push the
telescopic piece upwards.
Tighten the screws only until the top
edge of the telescopic piece is
evenly aligned with the ceiling or the
spacer frame.
 Bend back the two retaining tabs.
 Push the tower over the telescopic
piece and bend the retaining tabs
outwards again to prevent the tower
from slipping down again.
Installation
33