5
Routine and Preventive Maintenance
Maintaining the ESI Probe
Thermo Scientific
Surveyor MSQ Plus Hardware Manual
57
Follow these procedures to perform maintenance on the ESI probe:
•
•
Cleaning or Replacing the ESI Capillary
•
Replacing the Ceramic Sleeve of the ESI Probe
•
•
Removing the ESI Probe
Y
To remove the ESI probe from probe heater
1. Ensure that the solvent flow from LC pump is turned off. If you are using the optional
cone wash pump, ensure that it is turned off.
2. Turn off the nitrogen gas, the probe heater, and the ion optics by doing one of the
following:
• From the Info view - Status page in the Xcalibur data system, right-click the Surveyor
MSQ listing and choose
Turn Device Off
from the shortcut menu.
• Open the Per Method Parameters table in the Tune window. Take the system out of
the Operate mode by clicking the Operate toggle button, and then turn off the
nitrogen gas by clicking the Nitrogen Gas toggle button.
3. Wait for the source block and the probe heater of the MS detector to cool.
4. Unscrew and remove the PEEK fingertight fitting from the ESI probe. See
.
Figure 35.
ESI probe installed in the probe heater
PEEK fingertight fitting
Locking plate
(in locked position)
Probe heater