Beamline viewers
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The viewers on each girder go like this:
- By girder
- Y-chamber : two
- Wien girder : four
- A1/A2 girder : two
- By screen
- Laser => chromox w/ 10mm hole
- At harp => YAG
- All others => chromox no hole
- By screen assembly
- All have a shield at base of screen
- Laser and Y retract into tack welded tube
- Viewer assembly info
- all bellows replaced
- status Jan 15, 2021
- Y/Laser installed in tunnel
- (4) Wien => require extension rod
- (2) A1/A2 => standard rod
- New air cylinder modifications media:210115_ViewerOptions.docx