Aggregator

COMMENT ON RF work for 2026 HCO

1 day 1 hour ago
Log Number: 4473207Logbook(s): Body: 

2L25 CPS: All 4 bays now go to high voltage. 120 Vac distribution terminal blocks were removed from 2L26 to replace the damaged terminal blocks in 2L25. 2L26 is out of service until 120 Vac distribution terminal blocks are replaced. Zone 2L25 is ready for SRF testing.

holben

HYST AREA 7-0 Cycles Magnets for eDT

1 day 1 hour ago
Log Number: 4473203Logbook(s): Body: 

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

Magnets contained in the following file: /tmp/eDT_CMPQ_design_snapfile_MGnHU_.snap
MQJ0L02
MQJ0L02A
MQJ0L03A
MQJ0L03
MQJ0L04
MQD0L06
MQB0L07
MQB0L08
MQB0L09
MQB0L10

Total Time: 0.717 mins

samari

COMMENT ON RF work for 2026 HCO

1 day 1 hour ago
Log Number: 4473199Logbook(s): Body: 

1L03: Inspection of CPS indicates the top winding on the right hand side of the High Voltage Transformer has slipped down. It appears the two windings are touching. Closer inspection is needed and a stand by transformer cart may need to be installed. S. Holben

holben

COMMENT ON RF work for 2026 HCO

1 day 1 hour ago
Log Number: 4473197Logbook(s): Body: 

0L04-3
Replaced klystron serial# 100123/1324 with klystron serial# 100216/2450. While replacing the klystron, we discovered 4 bad Mod Anode Bank resistors which were also replaced. We will verify new klystron tomorrow due to PSS Certs taking place today.
Tech: Evonda V. Alex S. and Gunner K.

evonda

CREW CHIEF SIGN IN

1 day 1 hour ago
Log Number: 4473194Logbook(s): Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 02-26-26
Time : 15:10:38
Day : Thursday
Shift : Swing

Crew Chief : Richardson
Program Deputy: Schoene
Team : X
Arm : RADCON
Designated SSO: Chaudhary
LERF Operator:
Operators : Chaudhary

This stamp certifies that the above Crew Chief has read/reviewed/received the following:
lrichard

2L25 CPS and klystron KCCU'S

1 day 1 hour ago
Log Number: 4473190Logbook(s): Entry Makers: kernsBody: 

All four CPS bays back up and readings checked out good in all after 5 minute test in HV. Let MCC know I was done with HV checks so they could start magnet box supply certs.

kerns

The following cavity histories have been updated: 0L04-3

1 day 2 hours ago
Log Number: 4473188Logbook(s): Tags: Body: 

The following cavity histories have been updated:
0L04-3
Username: evonda
Date/Time: 02-26-26_14:50:22
RF Status: Good
Tuner Status: Good
Comment: Replaced klystron SN: 100123/1324 with SN: 100216/2450; Cavity will get recovered tommorrow due to PSS Certs.
Special Instructions:

Maintenance Tag: Component: Tube {Removed SN: 100123/1324, Replacement SN: 100216/2450}

evonda

COMMENT ON Magnet removal at 2L25 and 2L26 Girders-SL

1 day 2 hours ago
Log Number: 4473186Logbook(s): Body: 

Mag Shop:

We will wrap up magnet work at 2L26 warm region girder tomorrow; we are shooting to get 2L25 knocked out to.  We have all the admin/work docs prepared, will round up parts tomorrow needed to repair the 3/8'' LCW return line @LCW-2L-R-09, to restore LCW @2L26.   That's the work map plan for 2.27.2026.

Will follow up with progress note at end of business tomorrow.  To keep all apprised.

jbeck

Shift Information

Shift Swing
CEBAF Program
MCC Crew Chief Forman
MCC Operators Yoon
Program Deputy Schoene
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Recent PSS History

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