To Reassemble The Ion Source - HP 5973 Hardware Manual

4

To reassemble the ion source

To reassemble the ion source
Materials needed:
Gloves, clean, lint-free
Hex ball driver, 1.5-mm (8710-1570)
Hex ball driver, 2.0-mm (8710-1804)
Hex nut driver, 5.5-mm (8710-1220)
Wrench, open-end, 10-mm (8710-2353)
1 Slide the drawout plate and the drawout cylinder into the source body.
2 Assemble the ion focus lens, entrance lens, and lens insulators.
3 Slide the assembled parts into the source body.
4 Install the setscrew that holds the lenses in place.
5 Reinstall the repeller, repeller insulators, washer, and repeller nut into
the source heater assembly.
The resulting assembly is called the repeller assembly.
& $ 8 7 , 2 1
Do not overtighten the repeller nut, or the ceramic repeller insulators will break when the
source heats up. The nut should only be "finger-tight".
6 Reconnect the repeller assembly to the source body.
The repeller assembly includes the source heater assembly, repeller, and related
parts.
7 Reinstall the filaments.
8 Reinstall the interface socket.
& $ 8 7 , 2 1
Do not overtighten the interface socket. Overtightening could strip the threads.
154
Maintaining the MSD
large (8650-0030)
small (8650-0029)