Miele DA 420 V Operating And Installation Instructions page 32

Installation
^ Loosen the top limit switch.
^ If a greater safety distance "S"
between the canopy and the cooktop
is required a, raise the canopy until
the required safety distance has
been reached.
^ If a greater adjustable range is
required b, lower the canopy. A
maximum appliance height of 1030
mm is possible.
32
^ Secure the limit switch opposite the
guide on the telescopic tower (see
illustration).
^ Raise and lower the canopy and
check that the limit switch is working.
^ Remove the safety screw and push
the tower downwards.
^ Then secure the tower with the safety
screw again.
Replace the grease filters.