132 Agilent 6500 Series Q-TOF LC/MS Maintenance Guide
2Maintenance
High Pressure Ion Funnel (6550 only)
High Pressure Ion Funnel (6550 only)
With time and with heavy usage, the high pressure ion funnel needs to be
cleaned to maintain its performance on the 6550 Q-TOF.
To remove the high pressure ion funnel
Parts Needed • Needle nose pliers
• Torx T-20 wrench
1 Vent the LC/MS and unplug the system.
2 Let the ESI source with Agilent Jet Stream Technology cool down, then
remove it.
3 Remove the two M4 screws that hold down the desolvation assembly, then
remove the assembly.
4 Disconnect the five internal wires from the feed-throughs. Use needle nose
pliers. See Figure 70.
Connectors are fragile. Please be gentle when you remove these wires.
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