Aggregator

Log Number: 4471879Logbook(s): 

• ELOG

Body: 

Tower pumps controls restored to normal automatic operation. Verified backup pump will start if pump failure is indicated.

Log Number: 4471878Logbook(s): 

• ELOG
• SRFPLASMA

Body: 

Installed DecaRad system on 2L03 for SRF Commissioning.
2L03 Readbacks via SRF DecaRad screen sl05a
__Drad Ch.__ /__Location__
DRADS05ASRF1 1L10 WG 1&2
DRADS05ASRF2 n/c
DRADS05ASRF3 1L10 WG 3&4
DRADS05ASRF4 n/c
DRADS05ASRF5 1L10 top cl
DRADS05ASRF6 1L10 WG 5&6
DRADS05ASRF7 1L10 WG 7&8
DRADS05ASRF8 n/c
DRADS05ASRF9 1L10 Supply (US) BL
DRADS05ASRF10 1L10 Return (DS) BL
DRADS05AHVMON
All 7 chs. read normal background counts ~13:45 on 18Feb2026. HV bias is off.

Log Number: 4471876Logbook(s): 

• ELOG
• SRFPLASMA

Body: 

Moved DecaRads from 1L23 to 1L25, so these DecaRads are now ready to support post-plasma FE measurements:

1L05 (on DRADN05BSRFxx)
1L10 (on DRADN11ASRFxx)
1L25 (on R1PXDRADxx)

Details at:
https://tasklists.jlab.org/atlis/tasks/118604#

Log Number: 4471875Logbook(s): 

• ELOG
• INCLOG

Body: 

Finished installation at 2L25.
Waiting for warm region girder to be installed and vacuum to be establish to connect cables downstairs.
C100 chassis needs to be flashed with new firmware and screens updated for new gauging.

Began work at 2L26.
Installed B-Rax controllers in rack and began routing cables in rack.
HV and convectron cable has been terminated downstairs for 2L26.
Will continue work at 2L26 tomorrow morning.

Log Number: 4471874Logbook(s): 

• ELOG

Body: 

Moved DecaRad system to 1L25 to support post-plasma checks (removed from 1L23.)
1L25 Readbacks are via the 1L25 C100 RF Expert screen/RF DecaRAD, (Rf12ExpertMenu.edl)
__Drad Ch.__ /__Location__
R1PXDRAD01 1L25 WG 1
R1PXDRAD02 1L25 WG 2
R1PXDRAD03 1L25 WG 3
R1PXDRAD04 1L25 WG 4/5
R1PXDRAD05 1L25 top cl
R1PXDRAD06 1L25 WG 6
R1PXDRAD07 1L25 WG 7
R1PXDRAD08 inop (1L25 WG 8)
R1PXDRAD09 1L25 Supply (US) BL
R1PXDRAD10 inop (1L25 Return (DS) BL)
R1PXDHVMON

8 out of 10 chs. show normal background counts.
HV bias is now off.
1L25 ch.

Log Number: 4471873Logbook(s): 

• ELOG
• POLOG

Tags: 

• Autolog

Body: 

Log Number: 4471872Logbook(s): 

• ELOG
• POLOG

Tags: 

• Autolog

Body: 

Log Number: 4471871Logbook(s): 

• ELOG

Body: 

New V-Blocks are Fabricated they will be installed tomorrow morning asap, Looks like we will be able to do these V-Block's install very easily.

Log Number: 4471870Logbook(s): 

• ELOG

Body: 

Recommend closing task, in favor of 118604, Post SAM FE onset measurements C75 and C100 cryomodules.
https://tasklists.jlab.org/atlis/tasks/118604

Log Number: 4471869Logbook(s): 

• ELOG
• INCLOG

Body: 

Flashed new firmware to vacuum controls in zone SL25 (SL25SRFVAC)
-Ver x0701 (2-Valve Controls with support for new warm region girder gauging)

Flashed new firmware to vacuum controls in zone SL26 (SL26SRFVAC)
-Ver x0801 (3-Valve Controls with support for new warm region girder gauging)

Log Number: 4471868Logbook(s): 

• ELOG

Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBC3R10H
MBC3R10V
MQA5R10
MBC5R10H
MBC5R10V
MQA7R10
MBC7R10H
MBC7R10V
MBC9R07V
MBT1R09H
MQA3R09
MBC3R09H
MBC3R09V
MQA3R10
MBC7R09H
MBC7R09V
MBM9R08H
MBC7R10AH
MQA9R07
MBC9R07H
MQB1R10
MBT1R10H
MBT1R10V
MQA3R08
MBC3R08H
MBC5R09H

Total Time: 2.933 mins

Log Number: 4471867Logbook(s): 

• ELOG

Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBC9R06H
MBC9R06V
MBC5R08H
MBC7R08V
MBT1R06H
MBT1R07V
MQA9R06
MBC7R07V
MQB1R05
MQA9R05
MBC9R05H
MBC9R05V
MQA3R07
MBC3R07V
MBC5R07V

Total Time: 1.583 mins

Log Number: 4471866Logbook(s): 

• ELOG

Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBC7R06H
MBC7R06V
MQA9R04
MBC9R04H
MBC9R04V
MBT1R04V
MQA3R06
MBC3R06H
MBC5R06H
MQB2L04
MQB2L05
MQB2L01
MQB2L02
MQB2L03

Total Time: 1.617 mins

Log Number: 4471865Logbook(s): 

• ELOG

Body: 

Marked as complete.

Log Number: 4471862Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
Zone 2L23
Username: kerns
Date/Time: 02-18-26_13:38:00
RF Status: Good
Comment: Soft MDP breaker trip reset. Bay 1 had a low DSP battery fault reset also.
Special Instructions:

Maintenance Tag: Component: CPS Components

Log Number: 4471859Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L25-7
Username: kerns
Date/Time: 02-18-26_13:30:18
RF Status: Good
Tuner Status: Good
Comment: Arc detector replaced and tested afterwards.
Special Instructions:

Maintenance Tag: Component: Arc Detector {Removed SN: 000, Replacement SN: 040}

Log Number: 4471856Logbook(s): 

• ELOG
• INCLOG

Body: 

Replaced faulty interlock bypassed Vacuum Valve Control card for VBV2L08B. (Replacement also interlock bypassed)

Log Number: 4471851Logbook(s): 

• ELOG

Body: 

Magnets on 2L03 girder are reconnected. We will do polarity checks and inductance measurements after lunch.

Log Number: 4471848Logbook(s): 

• ELOG

Entry Makers: samariBody: 

Quickly checked that the prebuncher was correctly phased, choppers phased, and all beams in the correct bucket. All looks well after finding that the laser work had meant that the A laser phase needed to be corrected. A scan of Chopper gang phase showd we are central through all 3 holes. No interception on A1, A2, and MS. All save #26673

Log Number: 4471846Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: samari 02-18-26 11:51:59 {A:5 B:3 C:1 E:345 A=Tune B=BS C=BS D=BS 0R08=0.00 0R08 dump in.