Agilent 6500 Series Q-TOF LC/MS Maintenance Guide 77
Maintenance 2
To clean the spray chamber weekly for the ESI with Agilent Jet Stream
15 Wipe the area around the spray shield.
16 Close the spray chamber.
17 Reinstall the electrospray nebulizer.
Do not spray directly toward the tip of the capillary. This can cause pressure surges in 
the vacuum system.