5 Maintenance
Ion Injector
Agilent 6475 Triple Quad LC/MS System User Guide 82
Installing the ion injector
Perform this procedure after cleaning the ion injector or when installing a new ion
injector.
Tools needed:
• Clean powder-free nitrile gloves
• LC/MS-grade isopropanol
To install the ion injector,
1 Put on clean powder-free nitrile gloves.
2 Lubricate the ion injector entrance end with LC/MS-grade isopropanol.
3 Carefully insert the ion injector straight into the desolvation assembly.
Carefully insert the ion injector straight into the desolvation assembly.
Putting vertical and horizontal pressure on the ion injector can break it. Spray
ion injector with isopropanol alcohol to lubricate the ion injector for easier
removal.
4 Slide the ion injector straight into the desolvation assembly.
The ion injector must be aligned correctly so that its end fits into a fixed ion
injector cap inside desolvation assembly.
5 When 2 to 3 cm of the ion injector against the rear contact spring, which
slightly restricts further insertion of the ion injector. Slightly increase the
insertion force to push the ion injector through the rear contact spring to fully
insert the injector.
6 Continue to apply pressure until approximately 1 cm remains extended from
the desolvation assembly.
Do not twist or turn the ion injector cap when you install it or you can damage
the metal plating.
7 Install the contact ring and end plate.
8 Install the two T10 Torx screws to hold the end plate.
9 Lubricate the ion injector tip with LC/MS-grade isopropanol.
10 Install the ion injector cap over the outer end of the Ion injector.
11 Install the spray shield.
12 Close the spray chamber.
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