Agilent Technologies Triple Quadrupole LC/MS - Replacing the Electron Multiplier Horn (Ultivo Only)

5 Maintenance
Replacing the electron multiplier horn (Ultivo only)
121 Agilent Triple Quadrupole LC/MS System User Guide
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
CAUTION
Take care when you perform this procedure. Damages that you cause during
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.