AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
CARME
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Entry time:
Wed Jan 12 20:07:20 2022
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<p>4 FEE holders installed on CARME. Mounting procedure devised due to limited working space to install.</p> <p>Mounting procedure:<br /> >Install FEE holder mounts (image 1) onto feedthrough flange</p> <p>>Partially make up FEE holders on workbench. Only 3 cylindrical support rods, spring latches and one of the black adaptor card mounts should be attached to aid install. Bolts should be loose to aid install on CARME. </p> <p>>Mount FEE holder to flange</p> <p>>Connect first adaptor card into D connector on feedthrough, then screw adaptor card to black mount. </p> <p>>Screw in second black adaptor card mount but do not tighten bolts. Connect second adaptor card to D connector and screw to black mount. </p> <p>>Attach remaining cylindrical supports and tighten all bolts. </p> <p>Bolts to install FEE holder mount onto flange (M4x25) are 2mm too long for the hole on the flange. Washer were initially used however this prevents adaptor cards being able to be secured onto thier black mounts. Bolts were shortend 2mm by davide to install. 5 shortend bolts remain in addition to thebag of unshortend M4x25 bolts. </p> <p>On the nn flange of the bottom detector (non bias pin D-connector) the feedthrough is damaged. Damage may be repairable, to prevent further damage an adaptor card was not plugged into this D-connector. (image 1)</p> <p>A bias test was performed for the top detector once adaptor cards are installed. First test is the bias test performed prior to adaptor cards being installed, second test was performed after installation of adaptor cards. </p> <p>Installing FEEs on the outer side of the ring in the future may have some mechanical conflict with the gas target frame, see attached images. </p>
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