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installation_fp_sci [2015/05/04 12:36] pereira [Installation of FP scintillator] |
installation_fp_sci [2015/05/04 13:09] pereira [Closing focal-plane chamber] |
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- | ==== Installation of FP scintillator ==== | + | ==== Installing |
- | - In the figure below, the FP scinitllator can be seen on the left side of the hodoscope {{: | + | |
+ | - The figure below shows the FP chamber open, with the " | ||
+ | - Unplug the bases of the up and down phototubes. The platic tie holding the cable of the up phototube to the chamber needs to be cut {{: | ||
+ | - Using an allen wrench, unscrew the two bolts attaching the scintillator frame to the base of the chamber {{: | ||
+ | - Climb to the chamber and pull the scintillator frame up. Once unplugged, handle it to a second person {{: | ||
+ | - With the help of a second person, hold the new scintillator by its frame and place it in the right spot. A second person should be ready to screw the frame to the base of the chamber | ||
+ | - Connect the bases of the up and down phototubes. The later is quite difficult because one cannot see the pins | ||
+ | - Using a plastic tie, attach the cable of the up phototube to the scintillator frame | ||
- | he first step to do is unplugging the up and down bases of the phototubes | ||
- | + | ==== Closing focal-plane chamber ==== | |
- | + | - Turn the switch to move the chamber to position " | |
- | Click Vent status [start pumpdown] | + | - When the chamber is almost close, turn the know to close the clamps |
+ | | ||
+ | - In order to pumpdown the chamber, make sure that the manual | ||
+ | - Close the manual pump; open PanelMate **S800vac** and go to page 07. Select window **PUMPDOWN STATUS** and click on start pumpdown | ||
+ | - |