Unthread the Fixtures Lens. Careful, the Lens is not glued in, and could fall out!
Remove the four Screws, that are holding the PCB in Place
lockate the two alingnment holes in the PCB (next to the LED), that correspond to the pins on the underside of the new lens.
Press the Lens into the printed Adapter, with attention to the Alingnmet holes of the LED, the ir-sennsor hole and the Mounting holes in the Adapter. If this is not done correctly, the lens won't fit properly!
Place the Adapter with the Lens in the Fixture, and secure it with the four Screws.
Screw the Lens back on.
Disclaimer: Electricity can cause injuries, Fires and Death! Don't replicate my work, if your not certified to work on electronics! I don't take any responsibilitys for your actions and resulting injuries!
Printing:
Printed in Prusament PC-Blend CF
Printed on Prusa MK4, with default 0.2mm Speed Profile
No Supports needed
Use a heatresistant Filament! PLA and PETG will soften!