Complete Shutdown
If the instrument is to be left unattended for extended periods, proceed as follows:
Switch off the LC pumps.
On the MassLynx top-level window, click on
to launch the tune page.
Click on
on the tune page.
This changes from green to grey indicating that the instrument is no longer in
operate mode.
Undo the finger-tight connector on the probe to release the tubing leading from
the LC system.
Before disconnecting the probe, it is good practice to temporarily remove the
probe and flush it of any salts, buffers or acids.
If APcI is being used, switch off the probe heater or reduce it to ambient
temperature.
Caution:
Leaving the APcI probe hot with no gas or liquid flow shortens the
lifetime of the probe heater.
Select
Gas
,
Gas
to turn off the supply of nitrogen gas.
Select
Other
from the menu bar at the top of the tune page. Click on
Vent
.
The rotary pump and the turbomolecular pumps switch off. When the
turbomolecular pumps have run down to half of their normal operating speed
the vent valve opens and the instrument is vented to atmosphere.
Exit MassLynx.
Shut down the computer.
Switch off all peripherals.
Switch off the power to the instrument using the switch on the rear panel of the
instrument.
Switch off power at the wall mounted isolation switches.
If the instrument is to be switched off for more than one week:
Drain the oil from the rotary pump according to the manufacturer’s instructions.
Routine Procedures
Page 47
Quattro Ultima
User's Guide
Summary of Contents for Quattro Ultima
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Page 100: ...Data Acquisition Page 100 Quattro Ultima User s Guide...
Page 117: ...Mass Calibration Page 117 Quattro Ultima User s Guide...
Page 140: ...Mass Calibration Page 140 Quattro Ultima User s Guide...
Page 212: ...Maintenance and Fault Finding Page 212 Quattro Ultima User s Guide...
Page 222: ...Reference Information Page 222 Quattro Ultima User s Guide...
