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5
Maintenance
Replacing the electron multiplier horn (Ultivo only)
Replacing the electron multiplier horn (Ultivo only)
Schedule
When sensitivity is poor and autotune consistently sets the detector gain to its
maximum value.
Equipment List
• Clean, powder-free nitrile gloves
• Long-nose pliers
• Electron multiplier horn
Take care when you perform this procedure. Damages that you cause during
C AU T I O N
maintenance are not covered under warranty. If you need assistance, contact
Agilent support.
Steps
1 Remove the left side cover.
2 Remove the detector horn carrier.
3 Disconnect the signal wire from the electron multiplier horn.
4 Open the retaining clip.
5 Remove the electron multiplier horn.
6 Install the new electron multiplier horn.
7 Close the retaining clip.
8 Connect the signal wire to the pin on the electron multiplier horn.
9 Install the detector horn carrier.
10 Install the left side cover.
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Agilent Triple Quadrupole LC/MS System User Guide
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