Agilent Technologies 6475 User Manual page 76

5 Maintenance
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 isopropyl
10 Thread the new needle holder into the nebulizer body.
11 Carefully remove the new needle from the shipping tube and adhesive strip.
12 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.
13 Push the needle into the ferrule until the needle is slightly visible flush with the
14 Reinstall the locknut and the union. Hand-tighten the union.
15 Hold the needle holder steady with a 3-mm open-end wrench or 1/4-inch x
16 Tighten the union one-half to three quarters of a turn, or until an audible
17 Pull carefully on the needle to ensure the needle is held firmly in place.
18 Insert the needle into the nebulizer shaft.
19 Adjust the electrospray needle position before reinstalling the nebulizer in the
20 Tighten the fastener (T6 Torx screw) that secures the needle holder in place.
Agilent 6475 Triple Quad LC/MS System User Guide
secures the needle holder in place.
used needle properly.
alcohol or methanol through inside of the shaft.
Identify the sharp end of the needle.
needle remains at the ferrule.
ferrule.
5/16-inch open-end wrench, depending on your nebulizer holder style.
squeak is heard.
The ferrule is now compressed.
spray chamber.
76