gas_handling_system
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gas_handling_system [2013/12/13 20:59] pereira |
gas_handling_system [2013/12/13 21:05] pereira |
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| - | Preparation of Gas bottles | + | ===== Preparation of Gas bottles |
| + | |||
| + | * In Data-U6 | ||
| + | * Ensure I265GV is closed to isolate focal plane vacuum chamber from the rest of the beamline | ||
| + | * Confirm that the focal plane chamber is under vacuum | ||
| + | * Confirm that the only open gas handling system valves are 4, 5, 6, 20, 21, and 22 | ||
| + | |||
| + | * In the S3 vault | ||
| + | * Ensure that the gas handling system roughing pump is running and has a good vacuum | ||
| + | * The pump sits on the floor under the focal plane behind the south support post | ||
| + | * The display unit for the pressure at the pump has a needle indicator and is mounted under the focal plane on the south support post | ||
| + | * Ensure that the main valves on the gas bottles are open | ||
| + | * Ensure that the gas bottles are not empty | ||
| + | * The gas regulators are not normally adjusted. | ||
| + | * The bottle supplying the P-10 gas for the ion chamber is secured to the cross-brace of the south support for the focal plane chamber. | ||
| + | * The bottle supplying CF4 (tetrafluoromethane) gas for the CRDCs is secured to the cross-brace of the south support for the focal plane chamber. | ||
| + | * The bottle supplying isobutane (C4H10) for the CRDCs is secured to the south support post for the focal plane chamber. | ||
| - | In Data-U6 | ||
| - | Ensure I265GV is closed to isolate focal plane vacuum chamber from the rest of the beamline | ||
| - | Confirm that the focal plane chamber is under vacuum | ||
| - | Confirm that the only open gas handling system valves are 4, 5, 6, 20, 21, and 22 | ||
| - | In the S3 vault | ||
| - | Ensure that the gas handling system roughing pump is running and has a good vacuum | ||
| - | The pump sits on the floor under the focal plane behind the south support post (PICTURE GOES HERE) | ||
| - | The display unit for the pressure at the pump has a needle indicator and is mounted under the focal plane on the south support post (PICTURE GOES HERE) | ||
| - | Ensure that the main valves on the gas bottles are open | ||
| - | Ensure that the gas bottles are not empty | ||
| - | The gas regulators are not normally adjusted. | ||
| - | The bottle supplying the P-10 gas for the ion chamber is secured to the cross-brace of the south support for the focal plane chamber. | ||
| - | The bottle supplying CF4 (tetrafluoromethane) gas for the CRDCs is secured to the cross-brace of the south support for the focal plane chamber. | ||
| - | The bottle supplying isobutane (C4H10) for the CRDCs is secured to the south support post for the focal plane chamber. | ||
| Filling Ion Chamber with Gas | Filling Ion Chamber with Gas | ||
gas_handling_system.txt · Last modified: 2023/05/11 11:29 by pereira
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