Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual page 140

4
General Maintenance
To reassemble the EI ion source
Materials needed
• Gloves, clean, lint-free
• Hex ball driver, 1.5 mm (8710-1570)
• Hex ball driver, 2.0 mm (8710-1804)
• Wrench, open-end, 10 mm (8710-2353)
Procedure

1
2
3
4
5
Do not overtighten the repeller nut or the ceramic repeller insulators will break when
CA UT IO N
the source heats up. The nut should only be finger-tight.
6
7
8
Do not overtighten the interface socket. Overtightening could strip the threads.
CA UT IO N
140
•
Large (8650-0030)
•
Small (8650-0029)
Slide the drawout plate and the drawout cylinder into the source body
(Figure 22).
Assemble the ion focus lens, entrance lens, and lens insulators.
Slide the assembled parts into the source body.
Install the setscrew that holds the lenses in place.
Reinstall the repeller, repeller insulators, washer, and repeller nut into the
source heater assembly.
The resulting assembly is called the repeller assembly.
Reconnect the repeller assembly to the source body. The repeller assembly
includes the source heater assembly, repeller, and related parts.
Reinstall the filaments.
Reinstall the interface socket
5975 Series MSD Troubleshooting and Maintenance Manual