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vatt:liquid_nitrogen_for_itl_cameras [2024/06/11 14:29] paul |
vatt:liquid_nitrogen_for_itl_cameras [2024/06/11 14:38] (current) paul |
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- | *start filling | + | *make sure the ground wire is connected: |
- | *fill out LN2/camera log – listen for full dewar, cease flow when dewar is full | + | * first to the mirror cell and |
+ | * then to the camera | ||
+ | *insert the nozzle into the dewar, and attach it using the bungee cord | ||
+ | *opening the valve, | ||
+ | *fill out LN2/camera log – listen for full dewar | ||
+ | *cease flow when dewar is full | ||
*disconnect LN2 filler hose from camera dewar, move storage dewar off of telescope platform and south, to dome silo wall) | *disconnect LN2 filler hose from camera dewar, move storage dewar off of telescope platform and south, to dome silo wall) | ||
*remove camera ground wire and clip it on silo, near storage dewar | *remove camera ground wire and clip it on silo, near storage dewar | ||