CI Maintenance 6
5977 Series MSD Operation Manual 157
To Remove the CI Ion Source
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Pliers, long-nose (8710-1094)
Procedure
1 Vent the MSD. See “To Vent the MSD” on page 76.
2 Open the analyzer chamber. See “To Open the Analyzer Chamber” on
page 78.
Make sure you use an antistatic wrist strap and take other antistatic
precautions before touching analyzer components.
3 Disconnect the seven wires at the ion source. Use the pliers to pull on the
metal connectors at the source. Do not bend the wires any more than
necessary. See Table 28 on page 158 for color coding of the wires,
Source feedthrough board
Ion source
Thumbscrews
Source heater and temperature
sensor wires
Source radiator