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--- installation_fp_sci [2015/05/04 12:28]
pereira [Open focal-plane chamber]
+++ installation_fp_sci [2015/05/04 12:47]
pereira [Installation of FP scintillator]
@@ Line 14: / Line 14: @@
   - Unlock the padlock protecting the power brakers of the switch controls to open the chamber, and press the **START** button {{:wiki:padlock-note.jpg?350|Padlock}}
   - Turn the switch to open the clamps holding the FP chamber. The weight held by the hydraulic piston will increase {{:wiki:switch-clamps.jpg?250|Switch clamps}} {{:wiki:clamps.jpg?400|Clamps holding FP chamber}} {{:wiki:scale.jpg?350|Scale FP chamber}}
-  - Turn on the switch to activate the motor opening the chamber. It takes about 10 minutes to get the chamber totally opened {{:wiki:fp-chamber-motor.jpg?350|Motor switch to open FP chamber}}
+  - Turn on the switch to activate the motor opening the chamber. It takes about 10 minutes to get the chamber totally opened {{:wiki:fp-chamber-motor.jpg?250|Motor switch to open FP chamber}}
+==== Installation of FP scintillator ====
+  - The figure below shows the FP chamber open, with the "old" FP scintillator to be replaced by the new one {{:wiki:E1-view.jpg?350|FP chamber opened}}
+  - 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
+{{:wiki:e1-up-Daniel.jpg?400|UP base phototube}}   {{:wiki:e1-down-closeup.jpg?250|DOWN base phototube}}
+  - Unscrew the two bolts holding the scintillator frame to the chamber                                 {{:wiki:e1-frame-bolts.jpg?350|Scintillator frame}}
+he first step to do is unplugging the up and down bases of the phototubes
+In order to remove the "old" scintillator, we need first to u
 Click Vent status [start pumpdown] --> vent status= pumpdown in progress (blue)

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