Technical data

Multimode Source for 6400 Series Triple Quad LC/MS Set-Up Guide 15

Installation 1

To convert from ESI or APCI to 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 for the source to cool (until temperatures are at least below 100°C).

3 Disconnect the nebulizer gas tubing from the currently installed ion source.

4 Disconnect the LC/MS sample inlet tubing.

5 If the APCI source is installed, remove the APCI vaporizer heater cable and

APCI high voltage cable.

6 Remove the currently installed ion source.

7 Unscrew and remove the spray shield. See Figure 11.

CAUTION

If you are installing this source on this instrument for the first time, follow the steps in

“Installation” on page 7.

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

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.