User Guide

1 Process protective glass cas-
sette
2 Objective protective glass
cassette
3 Fixing screws
Objective protective glass cassette, BEO D50 Basic (left)
and BEO D50 Smart (right)
Fig. 5-16
1. Undo the fixing screws (3) and pull out the objective protec-
tive glass cassette (2).
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.
1 Flap with grooved ring
2 Tab for opening the flap
3 Protective glass 4 Flap with grooved ring (open)
Replacing the protective glass of the objective protective glass cassette (BEO D50 Basic) Fig. 5-17
3. When the objective glass cassette is removed, move the tab
(2) up with your index finger and open the flap.
4. Remove the protective glass from the objective protective
glass cassette.
5
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Welding optics
2020-01 22-50-17-CRen
Removing the objective
protective glass cassette
Inserting new protective
glass (BEO D50 Basic)