Vacuum (Cryo Trap)Vacuum - 13:27 Monday 13 April 2026 (68987)
Print this reportCryotrap NI extraordinary maintenancethe NI cryotrap has been isolated by closing both large vacuum valves at its extremities. Its refill system has been stopped, as a preparation for the substitution of the leaking bellows.
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Vacuum - 10:57 Saturday 02 May 2026 (69060)
Print this reportFollow-up of the repair: in the past few days the suspected part was dismounted and inspected in Lab (pictures): a large leak has been detected on some welds.
The spare part has been installed and then the pumpdown was started. The cryotrap is now under high vacuum, and the cooldown is foreseen from next tuesday.
