Agilent Technologies G1960-67470 Скачать руководство пользователя страница 8

Страница: 8 / 16

To adjust or replace the nebulizer needle

Nebulizer Adjustment Fixture User Guide

Install the nebulizer in the

Loosen the locknut next to the zero-dead-volume (ZDV) union.

Remove the union from the nebulizer

Loosen the fastener (locknut, 1.5-mm hex screw, or T6 Torx screw) that
secures the

in place.

Figure 4

Nebulizer needle holders

Nebulizer with locknut (original needle holder).

Nebulizer with 1.5-mm hex screw.

Nebulizer with T6 Torx screw (screw p/n 0515-0677)

Содержание G1960-67470

Страница 1: ...nebulizer needle 6 Troubleshooting 12 This guide applies to the Nebulizer Adjustment Fixture Kit p n G1960 67470 Use this kit to adjust these nebulizers Microflow Nebulizer Assembly G1946 67260 ES Tes...

Страница 2: ...Fixture User Guide Before you begin Make sure that your kit includes these parts Callout Number Description Part Number 1 Nebulizer Adjustment Fixture GT430 20470 2 LED Flashlight 2140 0826 3 40 Magni...

Страница 3: ...nut on the captured screws to adjust the tension on the spring 2 To inspect the end of the nebulizer for poor needle centering plugged needles or nozzle damage Figure 1 a Gently push the 40 Magnifier...

Страница 4: ...agnifier into the Nebulizer Adjustment Fixture No tool is needed The focal length approximately corresponds to the end of the magnifier For ES or ESI nebulizers use Vertical 2 Position For APCI nebuli...

Страница 5: ...justment Fixture to focus the magnifier on the end of the nebulizer nozzle and needle For the APCI nebulizer if needed remove the pocket clip to focus properly See Table 2 for correct needle position...

Страница 6: ...lizer reference nebulizer needle is not spraying When the needle appears to be corroded or damaged See Figure 3 Figure 3 Corroded needle in nebulizer Tools needed Nebulizer Adjustment Fixture clean gl...

Страница 7: ...needle holder 1 Put on clean gloves 2 Determine the nebulizer holder type from Figure 4 Table 1 Needle replacement kits Nebulizer Part Number ESI Nebulizer Replacement Kit used with ES Nebulizer G1958...

Страница 8: ...knut next to the zero dead volume ZDV union 5 Remove the union from the nebulizer needle holder 6 Loosen the fastener locknut 1 5 mm hex screw or T6 Torx screw that secures the needle holder in place...

Страница 9: ...in a vertical position install the new ferrule in the needle holder The wider end goes into the needle holder e Carefully remove the new needle from the shipping tube and adhesive strip Identify the s...

Страница 10: ...style j Tighten the union one half to three quarters of a turn or until an audible squeak is heard The ferrule is now compressed 8 Use a inch x 5 16 inch open end wrench to adjust the top of the needl...

Страница 11: ...or replace the nebulizer needle Nebulizer Adjustment Fixture User Guide 11 Figure 7 Side view of a correctly adjusted Tested ESI Nebulizer with 0 003 inch dis tance marked Figure 8 Example of a center...

Страница 12: ...adjusted or damaged nebulizers Problem Solution Concentricity of needle is poor Replace the needle If the replacement needle is still out of concentricity the nebulizer body or the needle holder is da...

Страница 13: ...ide 13 Needle is clogged with salt Sonicate the nebulizer assembly in water and methanol When sonicating do not allow the tip of the nozzle to touch the beaker or flask After sonication if the needle...

Страница 14: ...dle is touching the nozzle Replace the needle If the replacement needle is still out of concentricity the nebulizer body is bent Replace the nebulizer Needle is too far out of the nozzle Adjust the ne...

Страница 15: ...Troubleshooting Nebulizer Adjustment Fixture User Guide 15...

Страница 16: ...ogies Inc 2013 Printed in USA Revision A December 2013 G1960 90470 G1960 90470 www agilent com In This Book This book contains instructions to inspect and adjust your nebulizer using the Nebulizer Adj...