User Guide

Fig. 5-10
2. Cover the opening of the protective glass cassette in conta-
minated environment (e.g. in case of oil mist or a very dusty
environment), until you reinsert the protective glass cassette.
3. Soak the lens cleaning paper or a swab with methyl alcohol.
4. Slowly wipe across the protective glass until it is clean.
5. Push the protective glass cassette into the cassette recepta-
cle until the slide engages audibly.
Note
Only one side of the protective glass may be used.
After cleaning the protective glass, never fit it into its holder with
the cleaned side towards the lens. The cleaned surface contains
residual contamination, which will vaporize when the laser oper-
ates and which may lead to damage (contaminants being
burned in) to the lens.
Note
The protective glass will have to be replaced if it contains burnt-
in dirt particles, which cannot be removed by cleaning.
Note
If a cleaned protective glass is used in another focusing optics
BEO D50 Smart, deviations in the measured value of the protec-
tive glass contamination are to be expected.
4.5 Changing the protective class of the
process protective glass cassette
Material numbers can be found in the consumable table (see
"Wearing parts", pg. 5‐5).
Conditions
■
The connected laser device has been switched off and
secured against renewed switching on, e.g. by means of a
shackle type connector.
22-50-17-CRen
2020-01
Welding optics
5‐19