5 Maintenance
Multimode Ionization (MMI) source
Agilent Triple Quadrupole LC/MS System User Guide 134
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
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
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.
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