Electrospray Ionization (Esi) Source - Agilent Technologies Triple Quadrupole LC/MS User Manual

5 Maintenance

Electrospray Ionization (ESI) source

Electrospray Ionization (ESI) source

Removing
1 Disconnect the nebulizer sample line.
2 Disconnect the heating cable.
3 Disconnect the sheath gas line at the connector and unplug it.
4 Disconnect the AJS HV cable delivering AJS nozzle voltage.
5 Disconnect the Multimode cable delivering AJS nozzle voltage.
6 Open the latch of spray chamber.
7 Open the latch of spray chamber.
The spray chamber operates at very high temperature. Do not continue until
WAR NIN G
the spray chamber is cool.
1 Open the spray chamber.
2 Remove the ion source by lifting it along the axis of its hinges.
The spray shield can be hot. Be careful not to burn yourself when you remove
WAR NIN G
the spray shield.
3 If you are changing to a different source type, remove the spray shield
Installing
1 Install the spray shield, making sure the small hole is at the top of the "12
o'clock position". If needed, use a T10 Torx screwdriver to loosen the two
screws in the end plate.
2 Rotate the ESI spray shield clockwise until the hole is in the correct position.
3 Gently tighten the Torx screws again.
4 Install the source.
5 Close the source.
6 Connect the MultiMode cable delivering AJS nozzle voltage.
7 Connect the heater cable.
8 Connect the sample nebulizer gas tubing.
9 Connect the nebulizer sample line.
Agilent Triple Quadrupole LC/MS System User Guide 128