7 General Maintenance
To Connect or Disconnect Wiring to the EI XTR Source
164 7000/7010 Series TQ GC/MS Operating Manual
To Connect or Disconnect Wiring to the EI
XTR Source
This topic is used to identify the wiring connections to the ion source. (For
detailed procedures and videos, see “To Remove the EI XTR Source” on
page 162 or “To Install the EI XTR Source” on page 187.)
Materials needed
• Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
• Pliers, long-nose (8710-1094)
• Tweezers (8710-2460)
Procedure
1 Use tweezers or pliers to connect or disconnect the ceramic board wire leads
at the source connectors.
2 Use tweezers or pliers to connect or disconnect the source heater wire leads
at the ceramic source board (CSB). (See Figure 51.)
Figure 51. Wiring for the EI XTR
Extractor lens
Source heater
Repeller
Filament 1
Source RTD
Filament 2
Ceramic source board
Entrance lens
Ion focus lens