Bio-Rad ChromLab™ Software - Manual (Page 202)

A | Maintaining the Instrument
200 | NGC Chromatography Systems and ChromLab Software
9. Tighten the bolts. If necessary, use the screwdriver.
10. Reconnect the 1/4-28 fittings from the tubing to the top and bottom of the flow
cell and ensure that they are secure.
11. Reconnect the tubing lines to the conductivity monitor.
12. Restart the NGC instrument.