Waters Xevo G2-XS QTof Overview And Maintenance Manual page 59

ESI probe, mounted on the LockSpray source enclosure:
ESI high voltage cable
Source window
Warning:
locking ring.
4. Tighten the probe locking ring to secure the probe in place.
An automatic pressure test is performed when the probe is correctly
Tip:
seated in position.
5. Connect the ESI probe's cable to the high voltage connector.
6. Open the access door to the fluidics valves (see the figure on
Warning:
to connect the diverter valve to the ESI probe; use the PEEK
tubing supplied with the instrument.
7. Using a long finger-tight fitting, connect 0.004-inch ID (or greater)
tubing, from port 2 (the top port) of the diverter valve to the ESI probe.
Vernier probe adjuster
To avoid nitrogen leakage, fully tighten the probe
To avoid electric shock, do not use stainless steel tubing
Configuring for ESI mode
ESI probe
TP03128
April 2, 2015, 715004496 Rev. B
Probe locking ring
Source enclosure
release
page 28).
59