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6.4.
Check the air desiccator
❖
When venting, system needs dry and clean air, 2 desiccators have been connected to the V4.
❖
If the color of desiccant is not blue, it should be drying.
6.5.
Cleaning of Final Aperture Assembly
After working for a long time, the Final Aperture Assembly may be polluted, and probably lead to
decline the imaging quality. It is needs to clean this part.
❖
Click the [OFF] button, close the V1, Vent specimen chamber.
❖
The aperture holder can be taken out by rotate the Knob counterclockwise and pull it out.
❖
Place it in a clean cloth. And use screw driver to dismantle the set screw, then use the tweezer
to take the aperture out. Dismantle the O-ring of aperture holder.
❖
Use metal polishing paste and a cloth to clean the surface of aperture holder, especially for
the 3 holes.
Summary of Contents for A63.7069
Page 21: ... 20 Control Panel ...
Page 41: ... 40 4 10 Dither ...
Page 43: ... 42 4 12 4 Pseudo Colors Source Pseudo Colors 4 13 Options ...
