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Message ID: 199     Entry time: Friday, March 21, 2025, 11:13
Author: Adam Newsome 
Category: Cyclotron 
Type: Standard Operation 
Subject: Lid down operation - 2025 

The lid down operation took place on March 21, 2025 [slightly ahead of schedule].

The system was energized a few minutes ahead of time.

Starting master synchro value: 47428. The master synchro was jogged up prior to starting.

Upon startup at 9:56 am, the system worked fine and lowered the lid. No stoppage occurred. No abnormal observations made. During lowering, operators in the DCR monitored the tulips to ensure alignment. The lid was lowered at 10:23 am.

Overall, as mentioned in the previous year's e-log, the lowering process was very smooth and required relatively few motor/brake toggles during travel (this is just based on memory and visual observations, not actual data).

See attached summary.

Attachment 1: Elevation_System_Checklist_-_2025.xlsx  24 kB
Attachment 2: Lid_Down_2025-03-21_Thermal_Imaging_Report.pdf  604 kB  Uploaded Friday, March 21, 2025, 14:19  | Show | Show all
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