Replace The Sample Tubing - AB Sciex 4500 Series System User's Manual

Figure A-6 Removing the corona discharge needle
Item Description
1 Ceramic sleeve
2 Corona discharge needle tip
3 Exhaust chimney
2. Hold the corona discharge needle tip and, with the other hand, turn the corona
discharge needle adjustment knob counter-clockwise to remove it.
3. Gently pull the corona discharge needle down through the exhaust chimney to
remove it.
4. Insert the new needle through the exhaust chimney into the ceramic sleeve as far as
it will go.
5. While holding the corona discharge needle tip, install and tighten the corona
discharge needle adjustment knob.
6. Insert the probe, and then install the ion source housing on the mass spectrometer.
Refer to Install the Ion Source on page

Replace the Sample Tubing

Use the following procedure to replace the sample tubing if it has a blockage.
1. Stop the sample flow and make sure that any remaining gas has been removed
through the source exhaust system.
2. Remove the ion source. Refer to
3. Disconnect the sample tubing from the probe and the union.
System User Guide
Document Number: D5030863 A
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109.
Remove the Ion Source on page
Turbo V™ Ion Source User Reference
117.
4500 Series of Instruments
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