1. Observe the safety instructions in chapter13.1.1, „Safety instructions“, on
page26.
2. Unscrew the 4 Torx screws M2.5 x 6mm on the protective window holder.
3. Place the device as shown in Fig. 13.1 on page27 and carefully remove the
protective window holder upwards.
• Make sure that the inserted O-ring does not fall out of the device.
4. Remove the old protective window from the device and dispose it.
5. Wear cotton or powder-free latex gloves and insert new protective window into
the device.
• Ensure that the inserted O-ring is not out of place.
6. Place the protective window holder according to Fig. 13.1 on page27.
7. Tighten the protective window holder with 4 Torx screws M2.5 x 6mm.
8. Check for secure fit of the protective window holder:
• The protective window holder must lie flat against the device.
Torx screws
M2.5 x 6mm
Protective win-
dow holder
Protective window
O-ring
Fig. 13.1: Exchanging the protective window on the Cube