5 Maintenance
Nebulizer
Agilent 6475 Triple Quad LC/MS System User Guide 73
Nebulizer
The following procedures describe periodic maintenance for the nebulizer.
Removing the nebulizer
Perform this procedure when you need to access the nebulizer for maintenance.
Tools needed:
• Clean powder-free nitrile gloves
To remove the nebulizer,
1 Put on clean powder-free nitrile gloves.
2 In the Data Acquisition program, shut off the LC solve flow and nebulizing gas.
3 Remove the left side cover.
4 Disconnect the nebulizer sample line from the nebulizer.
5 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.
6 Turn the nebulizer counterclockwise until it disengages from the retaining
screws.
7 Gently lift the nebulizer out of the spray chamber.
Inspecting the nebulizer
Perform this procedure if you have the G1960-67470 Nebulizer Adjustment Kit.
Perform this project if there is increased LC back pressure, off-axis spraying,
dripping from the nebulizer, or when the reference nebulizer needle is not
spraying.
Tools needed:
• Nebulizer Adjustment Fixture
• Clean powder-free nitrile gloves
• T6 Torx driver
• 1/4-inch x 5/16-inch open-end wrench (Quantity: 2)
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