Aggregator

Log Number: 4549079Logbook(s): 

• ELOG
• INCLOG

Entry Makers: delacruzBody: 

BPM disabled for vacuum work.

Log Number: 4549078Logbook(s): 

• ELOG
• BPMLOG

Body: Problem: Modulation off or unknown

Log Number: 4549077Logbook(s): 

• ELOG

Body: 

The following entry was removed from the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549075Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549076Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549073Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549074Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549072Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549071Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549070Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549069Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549068Logbook(s): 

• ELOG

Body: 

The following Bypassed Interlock had its Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)

Log Number: 4549055Logbook(s): 

• ELOG

Body: 

PTW on-issue. Added to Mo+Tu SAM Cal and Work Map. Approved.

Log Number: 4549054Logbook(s): 

• ELOG
• INCLOG

Body: 

BPM cables at 1L26 have been disconnected.

Log Number: 4549053Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Saturday October 03 through 18:00 Sunday October 04 Injector/Source Replace gun HV electrode

2026-10-04 15:10 - Marcy Stutzman

NEG activation com

Log Number: 4549051Logbook(s): 

• ELOG
• POLOG

Body: 

NEG activation complete, gun bake ramping down. Details in elog: https://logbooks.jlab.org/entry/4549050
Next steps for the gun include: Remove bake panels, leak check, laser retroreflection check. Following this, we have HV processing which is covered on another ATLis task.

Log Number: 4549050Logbook(s): 

• POLOG
• ELOG

Entry Makers: marcyBody: 

The main chamber ramped to 150C starting at 5 am, Riad lowered all variacs to half their prior value.
Today about 1 PM: Chamber at 150, NEG coated tube at 275

Start activation.
Increase current on UHV1400 zao modules in chamber slowly, over 70 minutes, to 3.4A. 3.4A + the 150 temperature should achieve full activation.

Did not need to open the valve to the turbopump cart to pump the gas from the activation - the overboard ion pump did not exceed 25 uA with this slow ramp and hour long soak.

Energized gun ion pump on a local supply just before turning off negs.

Log Number: 4549046Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 3.0.1 Target restore date was 2026-10-04 02:31:02 The output from the myRestore execution was as follows: iocsoftw3spce systemEnum@2026-10-04 02:31 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iocsoftw3spce (success) PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 Procedure return status: Success

Log Number: 4549045Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Friday October 02 through 18:00 Saturday October 03 Ctr for Injectors&Sources Replace gun HV electrode

2026-10-03 16:10 - Joe Grames

Came in

Log Number: 4549043Logbook(s): 

• ELOG
• POLOG

Body: 

Came in ~3pm to check on bake. Bake oven values look good. Noticed the TC's tied to the "overboard" IP were ~30C, investigated and found "overboard" variac IP off, turned on and set to 85/140. Monitored for ~15 min, fuse faulted again. I added a second supplemental variac called "overboard #2" and to the local spreadsheet. This worked. Now, "overboard" is heating the overboard IP/line and "overboard #2" is heating the turbo line and Kr plumbing. Overboard set to 90/140 ~ 65% and Overboard #2 to 65%.