Removing The Esi Probe - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

Removing the ESI probe

Required materials
Chemical-resistant, powder-free gloves
To remove the ESI probe:
Warning:
be contaminated with biohazardous and/or toxic materials. Always
wear chemical-resistant, powder-free gloves while performing this
procedure.
Warning:
prepared for working on the source before commencing this procedure.
1. Prepare the instrument for working on the source (see
2. Disconnect the tubing from the ESI probe.
3. Disconnect the ESI probe's cable from the high voltage connector.
4. Unscrew the probe locking ring.
Warning:
handle the probe with care.
5. Carefully remove the ESI probe from the probe adjuster assembly.
6. If available, fit the protective sleeve to the ESI probe tip.
• Sharp knife or PEEK tubing cutter
Requirements:
• If you are replacing the tubing supplied with the instrument, you
must minimize the length of the tube connecting the diverter valve
to the ESI probe. Doing so minimizes delays and dispersion.
• When cutting the tubing to length, cut it squarely (that is,
perpendicular to its horizontal axis).
7. Remove the ESI probe from the source (see
8. Slide open the instrument's source interface door (see the figure on
page 1-4).
3-6 ESI Operation
The LC system connections, ESI probe, and source can
To avoid electric shock, ensure that the instrument is
The ESI probe tip is sharp. To avoid puncture wounds,
page 4-6).
page 3-6).