PRECESSION ELEPHANT 2 Scan Head 2
8.5 Removing the protective window at the beam exit
Requirement
•
The protective window is contaminated or damaged.
Tools
•
Optics spanner wrench or alternatively this tool from the spare parts list:
•
Pair of cotton gloves
•
Lens cleaning paper
Procedure
1. Cover the place where the optics shall be temporarily placed on with lens
cleaning paper.
2. Loosen the suction cup retainer ring by 2 turns, but do not remove it yet.
retainer ring
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