5 Maintenance
General Maintenance Tasks
107 Agilent Triple Quadrupole LC/MS System User Guide
General Maintenance Tasks
Installing or removing the nebulizer
Schedule
Perform this procedure when you need to access the nebulizer for maintenance.
Equipment List
• Clean, powder-free nitrile gloves
• Replacement needle kit
• 1/4-inch x 5/16-inch open-end wrench (Quantity: 2)
Removing the nebulizer needle
1 Put on clean, powder-free nitrile gloves.
2 In MassHunter Data Acquisition, shut off the LC solvent flow and nebulizing
gas.
3 Disconnect the nebulizer sample line from the nebulizer.
4 Disconnect the sample nebulizer gas tubing from the nebulizer.
The tip of the nebulizer can be very hot. Do not touch the nebulizer until it is
cool.
5 Turn the nebulizer counterclockwise until it disengages from the retaining
screws.
6 Gently lift the nebulizer out of the spray chamber and place it in a safe
location.
Replacing the nebulizer needle
1 Put on clean, powder-free nitrile gloves.
2 Determine your nebulizer type per the user guide or the document that comes
with the kit.
3 Install the nebulizer in the Nebulizer Adjustment Fixture, turning clockwise to
secure the nebulizer to the adjustment fixture.
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