Metrohm 871 Advanced Bioscan User Manual
Page 35

4.3 Maintenance and servicing
871 Advanced Bioscan / Instructions for Use 8.871.1003
27
Also change the precolumn when you change the separation column.
1 Remove old column
•
Switch off flow cell.
•
Switch off pump drive of the 818 IC Pump.
•
Unscrew connection capillary 21 to flow cell from the column.
2 Connect new column to injector
•
Remove end caps from column.
•
Screw preheating capillary 31 to inlet end of separating col-
umn (note flow direction).
3 Rinse column
•
Place beaker beneath the column outlet.
•
Switch on 818 IC Pump and rinse column with eluent for ca.
10 min with 0.3 mL/min and for ca. 10 min. with 1.0 mL/min,
then switch off pump.
4 Connect column to measuring cell
•
Screw connection capillary 21 to measuring cell to outlet end
of separating column.