1 Instrument Installation
Step 5. Install the spray chamber
32 Agilent 6400 Series Triple Quad LC/MS System Installation Guide
10 Turn on the Triple Quadrupole LC/MS front power switch to start the
pump-down of the Triple Quadrupole LC/MS.
The foreline pump(s) will become quieter within a few seconds.
G1978B Multimode Source
1 Install these parts from the Multimode and APCI enablement kits that ship
with the G1978B Multimode source into the Aux module on the Triple
Quadrupole LC/MS:
• APCI High Voltage Power Supply (p/n G1946-80058)
• Multimode HV board (p/n G1960-61015)
• Valve board—APCI HV PS cable (p/n G1960-60802)
• Valve board—APCI Needle Interlock cable (p/n G1960-60856)
• Multimode HV board cable (p/n G1960-60858)
• Multimode Power Data cable (p/n G1960-60878)
• MMI-L Low Concentration Tuning Mix (p/n G1969-85020)
2 Connect the multimode and corona needle cables to the respective
connectors on the left side panel of the LC/MS instrument.
For 6470/6495: Make sure that the cable extension box is connected to left
side panel of the LC/MS instrument. Then connect the multimode and
corona needle cables to the connectors on the extension box. See Figure 23.