Technical data

Multimode Source for 6400 Series Triple 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 Turn off the multimode source temperatures and flows:
a Change the Context view to Acquisition.
b Click the MS QQQ tab.
c Turn off all voltages and temperatures in the Source tab.
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.
10 Place the source shipping cover on the source.
WARNING
Do not touch the multimode source or the capillary cap. They may be very hot. Let
the parts cool before you handle them.
WARNING
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.
WARNING
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.