Waters Xevo TQ MS Operator And Maintenance Manual page 46

ESI probe, mounted on the source enclosure
ESI probe cable
High voltage connector
Source window
Caution:
locking ring.
4. Tighten the probe locking ring to secure the probe in place.
5. Connect the ESI probe's cable to the high voltage connector.
6. Open the access door to the fluidics valve (see the figure on
Warning:
tubing to connect the diverter valve to the ESI probe; use the
PEEK™ tubing supplied with the instrument.
7. Using tubing greater than or equal to 0.004-inch ID, connect port 2 (the
top port) of the diverter valve to the ESI probe.
Recommendation:
for sample flow rates  1.2 mL/min; use 0.005-inch ID tubing for sample
flow rates  1.2 mL/min.
3-4 Preparing the ESI Source
Vernier probe adjuster
To avoid nitrogen leakage, fully tighten the probe
To avoid electric shock, do not use stainless steel
To reduce peak broadening, use 0.004-inch ID tubing
ESI probe
Probe locking ring
Vertical probe
adjuster
Source enclosure
release
TP03128
page 1-4).