Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 86 / 184

4-38 Maintenance Procedures
2. Remove the extraction cone from the ion block.
3. Remove the extraction cone handle insulator from the extraction cone
handle.
Cleaning the extraction cone
Required materials
• Chemical-resistant, powder-free gloves.
• Appropriately sized glass vessel in which to completely immerse the
extraction cone when cleaning. Use only glassware not previously
cleaned with surfactants.
• HPLC-grade (or better) methanol.
• HPLC-grade (or better) water.
• Formic acid.
Caution:
• Take great care not to damage the extraction cone aperture
when removing the extraction cone from the ion block.
• The extraction cone is fragile. Never place it on its tip; always
place it on its flanged base.
Extraction cone aperture