Agilent Technologies 6475 User Manual page 68

5 Maintenance
Sources
Removing an APCI source
1 Put the system in Standby mode.
In the Tune view or context, turn down the gas temperature as low as possible.
NOTE
Leave the gas flow on for 30 minutes to cool the source.
2 Disconnect the nebulizer sample line.
3 Disconnect the sample nebulizer gas tubing.
4 Disconnect the heater cable.
5 Disconnect the corona needle voltage cable.
Removing a Mutlimode source
1 Put the system in Standby mode.
In the Tune view or context, turn down the gas temperature as low as possible.
NOTE
Leave the gas flow on for 30 minutes to cool the source.
2 Disconnect the nebulizer sample line.
3 Disconnect the heater cable.
4 Disconnect the charging electrode cable.
5 Open the latch of spray chamber.
The spray chamber operates at very high temperature. Do not continue until
WAR N IN G
the spray chamber is cool.
6 Remove the spray chamber 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 N IN G
the spray shield.
7 If you are changing to a different source type, remove the spray shield.
Agilent 6475 Triple Quad LC/MS System User Guide 68