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5
Maintenance
Installing or removing the nebulizer
4 Loosen the locknut next to the zero-dead-volume (ZDV) union by placing the
5 Remove the union from the nebulizer needle holder.
6 Remove the union locknut from the nebulizer.
7 Loosen the fastener (locknut, 1.5 mm hex screw or T6 Torx screw) that
8 Loosen the needle holder and pull it out of the nebulizer body. Dispose of the
9 For more thorough cleaning, sonicate the nebulizer body. Pour isopropanol or
10 Thread the new needle holder into the nebulizer body.
11 Carefully remove the new needle from the shipping tube and adhesive strip.
12 Identify the sharp end of the needle.
13 Carefully slide the sharp end of the needle through the ferrule until 1 cm of the
Do not bend the needle as you slide it into the ferrule. The needle is fragile. A
C AU T I O N
bent needle results in poor alignment with the nebulizer body.
14 Push the needle into the ferrule until the needle is slightly visible flush with the
15 Reinstall the locknut and the union. Hand-tighten the union.
16 Hold the needle holder steady with a 1/4-inch x 5/16-inch open-end wrench,
17 Tighten the union one-half to three-quarters of a turn, or until an audible
Agilent Revident LC/Q-TOF System User Guide
5/16-inch wrench on the nut, and the 1/4-inch wrench on the union, and
turning the 5/16-inch wrench clockwise.
secures the needle holder in place.
used needle properly.
methanol through the inside the shaft.
needle remains at the ferrule.
ferrule.
depending on your nebulizer holder style.
squeak is heard. The ferrule is now compressed.
97
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