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3D Systems, Inc.
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7 . Transport the lens to an area where it can be cleaned with mild soap (Dawn liquid soap is recommended) and warm water . Have
lens clothes ready. This is a pre-cleaning that needs to be performed to get the stickier material off before a final cleaning with
acetone .
8 . First, clean hands and run warm water over the lens .
9 . Apply a moderate amount of soap to the lens and spread it across the surface by hand .
10 . Rinse the lens in the warm water . Repeat these steps until the lens is thoroughly cleaned .
11 . Dry the lens using the lens cloth .
12 . Return the lens to the work table to clean with acetone .
13 . Set the lens down on a clean tissue in a clean area of the work table . It does not matter which side is facing up .
14 .
Using the applicator filled with acetone, apply a moderate amount of acetone to the surface of the lens.
15 . Set a tissue on top of the lens to soak up the excess acetone .
16 . After the tissue has soaked up some of the acetone, pull it off gently to avoid streaking . Discard the tissue .
Apply acetone to lens
Gently wipe lens dry
Replace lens
Replace top ring and fasten
with 2 .5mm allen wrench
Ensure O-Ring is visible and
lens is flush with housing
Soak up excess acetone with lens tissue
17 . Apply a small amount of acetone to the lens again .
18 . Fold up a lens tissue lengthwise to wipe the acetone off with .
19 . Gently pull the tissue across the lens .
20 . Fold the same tissue once again and gently wipe once more . This should
completely remove the acetone from this side of the lens .
21 . Repeat the process for the other side of the lens .
22 .
Gently press the lens back into the laser window baffle housing. Ensure
that the O-Ring is visible and that the lens is fully seated and flush with
the housing .
23 . Place the housing ring on top of the assembly .
24 . Fasten the ring using the screws that were set aside earlier using a
2 .5mm allen wrench . Use the long end of the allen wrench to prevent
over-tightening . Tighten in a cross-wise fashion to even out the tension .
25 . Cover the lens using a lens tissue and weigh down with the tissue box .
Cover when not in use