Replacing the Laser Window Lens

1. Remove the laser protective cover
Rotate the pump connection port counterclockwise to remove it.

Use an M1.5 hex wrench to loosen the nozzle screws through the small hole under the dovetail slot, then remove the nozzle (for 10W lasers).

10W

2. Unscrew the window lens counterclockwise.  

3. Install the new window lens, then reattach the nozzle and pump connection port.