5
Routine and Preventive Maintenance
Maintaining the Source Block Assembly
92
Surveyor MSQ Plus Hardware Manual
Thermo Scientific
Figure 73.
View of the source block, showing the cone wash nozzle turned to the right
3. Remove the lint-free cloth from the bottom of the source enclosure.
4. Insert the entrance cone into the source block, and then turn it counter-clockwise.
.
5. Install the probe heater:
a. Remove the probe heater from its holder, and then rotate the black knobs of the
probe heater, so that they face away from each other. See
b. Insert the tube portion of the probe heater into the probe mount.
c.
Rotate the black knobs of the probe heater forward to their locking position. See
.
6. Install the API probe:
a. Turn the locking plate clockwise to the open position and carefully insert the
ESI probe (P/N FM102595) (see
(P/N FM102587) (see
on
) into the probe heater.
b. Turn the locking plate counterclockwise into the closed position.
c.
Screw the PEEK fingertight fitting into the ESI probe assembly (P/N FM102595) or
APCI probe assembly (P/N FM102587).
7. Pump down the MS detector:
a. Right-click the
Surveyor MSQ Plus Server
icon in the System Tray portion of the
Windows Taskbar to open the shortcut menu.
The Server icon is red because the system is vented.
Note
The entrance cone assembly is reverse-threaded. Therefore, to remove it, you
turn it clockwise. To install it, you turn it counter-clockwise.
Cone wash nozzle
Corona pin knob
CAUTION
Take care not to damage the tip of the API probe capillary. If you are
installing the ESI probe, take care not to damage its ceramic sleeve.