Thermo Scientific ISQ 7000 Hardware Manual page 52

1
Performing Routine Maintenance
Replacing a Column
24 ISQ 7000 Hardware Manual
Figure 14. Transfer Line Nut and SilTite Ferrule Orientation
SilTite Ferrule
7. Insert the column into the measuring tool, which is in the MS Toolkit (See
that it is even with the lines at the end of the column.
positioning of the column in the tool for accurate measuring.
8. Use a scoring wafer to score and break the column. Use a magnifying glass to check for an
even, flat cut. Repeat if necessary.
9. Use a 5/16 in. wrench to hold the column measuring tool steady.
Figure 15. Column Measuring Tool
10. While holding the column measuring tool steady, tighten the transfer line nut with a 1/4"
wrench until the column just stops moving in the ferrule.
11. Turn the transfer line nut 1 flat (60°) backward so the column is able to move in the
ferrule with slight resistance.
12. Line up the outlet of the column with the arrows on the end of the column measuring
tool.
Figure 16. Lining Up the Column in the Column Measuring Tool
Column Outlet
Flat on the
Transferline Nut
Transfer Line Nut
Figure
Figure 16 indicates proper
Thermo Scientific
15), so