Multimode Ionization (Mmi) Source - Agilent Technologies Triple Quadrupole LC/MS User Manual

5 Maintenance

Multimode Ionization (MMI) source

Multimode Ionization (MMI) source
Removing
1 Disconnect the nebulizer sample line.
2 Disconnect the sample nebulizer gas tubing.
3 Disconnect the heater cable.
4 Disconnect the charging electrode cable.
5 Disconnect the corona needle voltage cable.
6 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.
7 Open the spray chamber.
8 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.
9 If you are changing to a different source type, remove the spray shield.
Installing
1 Install the appropriate spray shield.
2 Make sure the dowels are at 6 and 9 o'clock positions.
3 Install the spray chamber.
4 Close the spray chamber.
5 Close the latch of spray chamber.
6 Connect the corona needle voltage cable.
7 Connect the charging electrode cable.
8 Connect the heater cable.
9 Connect the sample nebulizer gas tubing.
10 Connect the nebulizer sample line.
Agilent Triple Quadrupole LC/MS System User Guide 134