Maintenance
Agilent 55B AA Spectrometer User’s Guide 107
Figure 65. Insert tail of impact bead into the nebulizer block.
14 Push the impact bead in as far as possible so that the bead is in the throat of
the venturi.
15 Center the impact bead in the venturi throat so that there is a small even gap
of approximately 0.5 mm between the impact bead and the venturi throat.
Figure 66. Even gap of around 0.5mm between the impact bead and the venturi throat
16 Carefully tighten the Impact bead locking screw.
Check that the impact bead will not rotate under gentle pressure.
17 Turn the impact bead adjustment screw counter-clockwise until the block
appears midway in the cutout in the nebulizer block.
Figure 67. Centered impact adjustment block
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