8CI Maintenance
To Connect/Disconnect EI HES Model Wiring to the CI Source
5977B Series MSD Operating Manual 237
To Connect/Disconnect EI HES Model Wiring
to the CI Source
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
• Pliers, long-nose (8710-1094)
• Tweezers (8710-2460)
Procedure
1 Use pliers to connect/disconnect the ceramic board wire leads (red, white,
black, and gray) at the source connectors. (See Figure 77.)
2 Use pliers to connect/disconnect the source heater wire leads at the ceramic
source board. (See Figure 77.)
Figure 77 Wiring between the ceramic source board and the source
Filament 1
Repeller
Dummy filament
Entrance lens
Ion focus
Source heater
Source RTD
Ceramic source board
Filament 1
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