80 Agilent 6500 Series Q-TOF LC/MS Maintenance Guide
2Maintenance
To replace the nebulizer needle for the ESI with Agilent Jet Stream
Figure 27 Corroded needle in nebulizer
3 Loosen the locknut next to the zero-dead-volume (ZDV) union.
4 Remove the union from the nebulizer.
5 Loosen the locknut of the needle holder.
6 Unscrew the needle holder and pull it out of the nebulizer.
7 Slide the non-tapered end of the needle through the new needle holder from
the narrower side.
Figure 28 Blunt end of ESI needle
Figure 29 Sharp end of ESI needle (zoomed)
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