Bio-Rad ENrich™ High-Resolution Ion Exchange Columns - Manual (Page 14)

10 ENrich Instruction Manual
4. Raise the adaptor a few millimeters by slowly by turning the
adjusting nut counterclockwise (Figure 5).
Fig. 5. Raise the adaptor by turning the adjusting nut counterclockwise.
5. Unscrew the upper retainer. Let it rest on the bottom retainer
(Figure 6).
Fig. 6. Remove the retainer.
6. Slowly pull out the upper adaptor from the glass column.
Allow the buffer flow to continue in order to maintain the
integrity of the top of the bed.