Nilfisk-ALTO 20 - Manual (Page 43)

12
CENTIX 60
english 3.3 Installing the vacuum
sockets The vacuum sockets consist of the following components:
1. Vacuum socket (10)
2. Installation frame (11)
3. Short 90° elbow (12)
Vacuum socket installed
beneath plaster
The installation frame (11) is in-
stalled flush with the plaster.
1. Before plastering: fit access
cover (9) to installation frame
so that installation frame is
not damaged or soiled.
2. Remove access cover when
wall covering is complete.
3. Slide connecting piece of vacuum socket (10) far enough into the
O-ring seal to make a perfect seal.
4. Attach vacuum socket to control cable.
5. Screw vacuum socket (10) to installation frame (11) using special
screws with coloured tops.
Vacuum socket installed in
wooden walls
If you wish to install the suction
tubes in double-layer wooden
walls, proceed as follows:
1. Saw a hole in the wooden
wall with dimensions of 61
mm x 109 mm.
2. Break off the side part of the
installation frame as descri-
bed in Tips + Tricks.
3. Glue the 90° elbow (12) to the installation frame (11), paying
attention to correct elbow position.
4. Now insert the installation frame through the hole in the wall.
5. Attach the 90° elbow to the prepared tube (1).
6. Screw the vacuum socket (10) to the installation frame (11).
If you have access into the double-layer wooden walls, install the
vacuum socket first and then slide the suction tube onto the 90°
elbow.