Agilent Technologies G1960-67470, User Manual, Page: 6 / 16

To adjust or replace the nebulizer needle
6 Nebulizer Adjustment Fixture User Guide
To adjust or replace the nebulizer needle
When needed
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When the needle is plugged. Common symptoms of a plugged needle are:
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increased LC back pressure
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off-axis spraying
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dripping from the nebulizer
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reference nebulizer needle is not spraying.
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When the needle appears to be corroded or damaged. See Figure 3 .
Figure 3 Corroded needle in nebulizer
Tools needed
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Nebulizer Adjustment Fixture
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clean gloves
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pliers or wrench, depending on nebulizer holder
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long-nose pliers (p/n 7810-0004)
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3-mm open-end wrench (p/n 8710-2699)
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wrench or driver, depending on nebulizer style:
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¼-inch x 5/16-inch open-end wrench (p/n 8710-0510)
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T6 Torx driver (p/n 8710-2548)
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1.5-mm ball driver (p/n 8710-1570)