How to assemble laser protective lens

Lens maintenance

1. Loosen two nuts by hand, then draw the drawer of laser protective lens.

2. Note: seal the drawer outlet with protective film.

3.Put the drawer( including laser protective lens) in a clean place.

4. Tear off the protective film and place the maintained lenses in a drawer and insert them into the laser head.

5. Tighten two nuts by hand.

1.Fixing ring

2.Laser Protective Lens

3.Seal ring

4.Drawer