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11.4.2
Exchange protective window in front of the power output aperture
•
Observe the warning messages above.
•
Keep the protective window free from contaminations.
•
Do not touch the plane surface of the protective window when putting it in!
The protective window protects the optical elements behind it from contaminations. A polluted protec-
tive window does not affect the function of the measuring objective. However, the increased scattering of
the laser light leads to a heating up of the protective window and the housing which can finally result in the
destruction of the protective window itself. This can damage sensitive optical components in the measuring
objective. Therefore, a contaminated protective window has to be exchanged immediately.
Fig. 11.3:
Change of the protective glass in front of the power output opening (on a 10 kW unit)
92
Components:
1. Protective window retainer
2. Protective window
3. Ring nut
4. O-ring 60.08 x 1.78
5. Nut for O-ring (4)
6. Optics tube
1
1. Carefully remove the protective window retainer (1).
2. Check O-ring (4) in the nut (5) for damages and a tight
fit. If necessary, it has to be replaced.
3. Remove the ring nut (3) from the protective window
5
retainer by means of the screw-in tools.
6
4. Take the protective window (2) out of the protective
4
window retainer and replace it by a new protective
window.
3
5. Screw the ring nut back in the protective window
retainer.
2
6. Position the protective window retainer back on the
optics tube.
1
MSM+ HB
Revision 00 EN - 02/2022
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