Agilent Technologies G1978B - Manual (Page 13)

Multimode Source for 6100 Series Single Quad LC/MS Set-Up Guide 13
Installation 1
Changing Sources
Changing Sources
To remove the multimode source
Do the following steps to remove the multimode source.
1 Set the source temperatures for vaporizer heater and drying gas heater to
minimum values to cool the source.
Use the Tune > Instrument > Edit Spray Chamber menu item to display
the Edit Spray Chamber dialog box. Set the drying gas flow, nebulizer gas
flow, drying gas temperature and the vaporizer temperature to minimum
values.
2 Wait approximately 20 minutes or until the source is cool.
3 Open the CDS door at the front of the MS to access the cables.
4 Disconnect the ESI high voltage charging electrode cable.
5 Disconnect the APCI Needle Interlock and multimode HV cable.
6 Unscrew the nebulizer gas line from the nebulizer.
7 Unscrew the LC sample tubing from the nebulizer.
8 Open the latch on the source and open the source.
9 Remove the multimode source from the spray chamber mount.
WA R N I N G
Do not touch the multimode source or the capillary cap. They may be very hot. Let
the parts cool before you handle them.
WA R N I N G
Never touch the source surfaces, especially when you analyze toxic substances or
when you use toxic solvents. The source has several sharp pieces which can pierce
your skin including the APCI corona needle, vaporizer sensor and counter current
electrode.
WA R N I N G
Do not insert fingers or tools through the openings on the multimode chamber. When
in use, the capillary and capillary cap are at high voltages up to 4 kV.