1. Rotate nib & feeder counterclockwise to disassemble from grip section.
2. released from the grip section
3. Straight pull the feeder out carefully (may require some force).
to install again, simply push in the feeder into the nib (until feeder's faceted area)
4. allign the faceted (angled) area of the feeder & nib.
Rotate the feeder to find the correct place.
5. once the feeder and nib are located correctly, push in the feeder all the way.
6. rotate the nib & feeder clockwise to install into the grip section.