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3D SYSTEMS, INC
.
PN:80-D27 Rev.B
Cleaning the laser optic system
Operations described below complement and follow on from the Preparation Assistant "Step 7 : Lens cleaning" on page
43 .
1 . Check the lens cleaner blower is OFF .
2 . Open the lens trap door .
3 . Unlock the clamp that holds the head in position with the use of Allen key .
4 . Rotate the clamp a quarter turn in the anti-clockwise direction .
5 . Tilt the head to the left . The head is held in position with the locking pin .
Caution : do not pull the electrical cables when tilting the head .
6 . Use the aerosol to clean any large dust particles off the lens .
- Hold the aerosol as upright as possible without shaking it .
- Spray the aerosol once into free air in order to clear the gas tube of any dust
that could damage the lens .
- Avoid touching the lens with the spray nozzle .
7 .
Soak slightly an optical paper towel in optical cleaning fluid.
The
Sigma-Aldrich
fluid (producer product number 02856) is recommended.
Optical cleaning fluid ingredients:
- Quality: absolute ethanol, denaturated with 4 .8% isopropanol
- Grade: Purum
- Assay: ≥99.8% (based on denaturant-free substance)
8 . Holding the optical paper towel by both ends, wipe the towel over the lens from the top to the bottom .
9 . Use the clean air aerosol to blow away any dusts .
10 . Use a lamp to observe the lens in order to check for any traces of dirt .
11 . Repeat these steps until the lens is clean .
Caution : Comply with the following steps in order to ensure the correct positioning of the head after
opening .
12 . Make sure the mechanical stop is clean .
Mechanical stop