Instrument Installation 1
Step 5. Install the spray chamber
Agilent 6400 Series Triple Quad LC/MS System Installation Guide 31
Agilent G1948B Electrospray Source
Before you begin, check that you have these parts:
• Agilent G1948B Electrospray interface (the G1948A Electrospray interface
is not supported)
• Nebulizer spacer kit (p/n G1946-60254)
• ESI-L Low Concentration Tuning Mix (p/n G1969-85000)
1 Remove the foil that covers the spray chamber mount, and remove the
shipping cover from the Electrospray spray chamber.
2 Install the nebulizer spacer as follows:
a Use a flat-bladed screwdriver to remove the two nebulizer shoulder
screws from the top of the spray chamber.
b Use the two m3×8 Torx T10 screws to install the nebulizer spacer onto
the top of the spray chamber.
c Install the two nebulizer shoulder screws into the top of the nebulizer
spacer.
3 Put the nebulizer in the nebulizer adjustment fixture supplied in the
shipping kit and check that the nebulizer needle is properly adjusted. The
nebulizer needle should be even with the end of the nebulizer nozzle.
4 Install the nebulizer in the spray chamber.
5 Install the spray chamber on the spray chamber mount, close the spray
chamber, and fasten the latch. You may need to adjust the latch to ensure
that the O-ring seals completely. Use a ¼-inch x 5/16-inch wrench to loosen
the lock nut, adjust the latch to the proper fit, and then tighten the lock nut
so that the latch maintains its adjustment.
6 Connect the 1/8-inch nebulizing gas tubing from the Triple Quadrupole
LC/MS mainframe to the nebulizer gas fitting.
7 Connect the PEEK tubing from the selection valve (inside the front cover) to
the top of the nebulizer.
8 Rinse the calibrant bottle three times with hot (60°C) water and then three
times with methanol. Then rinse it once with acetonitrile.
9 Add the Electrospray calibrant to the calibrant bottle.
Never use aliphatic, aromatic or halogenated hydrocarbons in the CDS. These solvents
are not compatible with the O-ring in the CDS.
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