Waters Xevo TQ MS Operator And Maintenance Manual page 47

Requirement:
instrument, you must minimize the length of the tube connecting the
diverter valve to the ESI probe. Doing so minimizes delays and
dispersion.
Tubing connection between the diverter valve and the ESI probe
The other plumbing connections are omitted for clarity.
Tip:
Caution:
closing the access door to the fluidics valve.
8. Close the access door.
If you are replacing the tubing supplied with the
Diverter valve
Tubing connection
Ensure that the tubing does not become trapped when
ESI probe
Probe adjuster
assembly
ESI mode 3-5