9.4 Cleaning the optics
9.4.1 Cleaning the lens
Step 1: Preparation
1. Blow away loose particles and dust by means of a bellows or compressed air (according to ISO
8573:2010 class 1).
2. Get the cleaning liquid and cleaning tissues ready.
3. Move the table up and put a cloth under the lens holder (so that the lens will not be damaged if it
falls out of holder by accident).
4. Loosen the lens by screwing the clamping ring inward.
5. Now remove the lens and check the surface.
Step 2: Cleaning with cleaning liquid and cleaning tissues
1. Remove the lens and rinse it with cleaning liquid to wash away coarse soiling.
2. Put some cleaning liquid onto the lens and leave the liquid for 1 minute to take effect.
3. Soak a cleaning tissue with cleaning liquid and carefully wipe off the surface.
4. Now carefully insert the lens with the lens holder into the laser head and fixate the clamping ring.
Lenses are very sensitive, therefore handle them with great care. Do not
touch the lens with your fingers or with tools, and never use a cleaning
tissue twice, as the surface can easily be scratched.
We recommend to use the cleaning set enclosed. Alternatively, use
high-quality cotton swabs together with the provided cleaning liquid.
Trotec recommends to use the following cleaning products, which are available as
accessory parts:
Lens cleaning cloth Part no. 69249
Lens cleaning liquid Part no. 69248
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