Xevo mass spec vents shortly after sample cone is removed and replaced - WKB192807

SYMPTOMS

• Mass spec may show a "Turbo controller fault"
• Mass spec vents shortly after sample cone and gas cone nozzle are replaced

ENVIRONMENT

• Xevo mass spectrometers
• Xevo TQ-S micro
• Xevo TQD
• Xevo TQ-XS
• Vion IMS QTof
• Xevo G2 QTof/Tof
• Xevo G2-S/XS
• Xevo QTof MS
• Xevo TQ-MS
• XevoTQ-S
• Xevo TQ-S cronos

CAUSE

The orange O-ring that sits under the gas cone nozzle on the ion block becomes worn and no longer maintains vacuum.

FIX or WORKAROUND

1. Close the isolation valve & keep it closed

2. Remove the cone & cone nozzle

3. Check o-ring and replace if damaged 

4. Re-install both cone & cone nozzle

5. Check the vacuum

6. Re-open the isolation valve

If these steps don't resolve the problem

Replace the orange O-ring (700004728 for a package of 5)

ADDITIONAL INFORMATION