5
Changing Ionization Modes
Installing the Ion Volume
Thermo Scientific TSQ Quantum XLS Series User Guide 81
10. Install the ion volume:
a. Slide the I/R tool and ion volume assembly into the vacuum manifold until the ion
volume assembly is fully inserted and seated into the ion source block. Listen for a
click, which indicates that the ion volume has connected with the ion source block.
b. Turn the I/R tool handle to the unlock position, , to release the ion
volume from the I/R tool.
Figure 49. Ion volume seated in the ion source block
11. Verify that the ion volume is fully seated in the ion source block:
• Withdraw the I/R tool away from the ion volume about 2.5 cm (1 in.), and turn the
I/R tool handle to the lock position.
• Slide the I/R tool back into the vacuum manifold until the end of the I/R tool just
touches the ion volume.
• Test that the I/R tool does not go into the inlet valve completely, which indicates that
the ion volume is seated properly.
12. Remove the I/R tool:
a. Withdraw the I/R tool until the guide ball reaches the first stop (see Figure 46 on
page 77).
b. Close the inlet valve by pulling the inlet valve lever down (see Figure 44 on page 76
).
c. Loosen the inlet valve knob by turning it counterclockwise.
d. Continue withdrawing the I/R tool completely from the inlet valve by sliding the I/R
tool through the guide ball track in the guide bar.
Ion source block
Ion volume
CAUTION Do not withdraw the I/R tool beyond the point where the guide ball
reaches the first stop in the guide bar. Close the inlet valve first. Otherwise, the system
vents to the atmosphere.
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