Aggregator

Log Number: 4472847Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: RF was turned on in:
R2C

Log Number: 4472844Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L08-3
Username: kerns
Date/Time: 02-24-26_15:38:56
RF Status: Good
Tuner Status: Good
Comment: RF recovered to 4 Mv/m after fil. bd. replaced. RF restored to 10.7 Mv/m.
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4472841Logbook(s): 

• ELOG

Entry Makers: michaelmBody: 

RF recovery may proceed when ready - coordinate with the crew chief

Log Number: 4472840Logbook(s): 

• ELOG

Entry Makers: dthomasBody: 

Log Number: 4472839Logbook(s): 

• ELOG

Entry Makers: dthomasBody: 

Log Number: 4472838Logbook(s): 

• ELOG
• LERFLOG

Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 02-24-26
Time : 15:24:51
Day : Tuesday
Shift : Swing

Crew Chief : Richardson
Program Deputy: Buttles
Team : X
Arm : RADCON
Designated SSO: Schaumloffel
LERF Operator:
Operators : Schaumloffel

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

Log Number: 4472837Logbook(s): 

• ELOG

Body: 

Powered up all 10 amp trim racks in the SL. HCO completed. All magnets, except for ones located on the 2L25 and 2L26 girders, have been ran and cycled successfully. All looks well. We will get to the few remaining magnets when work on those girders are finshed.

Log Number: 4472835Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L19-6
Username: kerns
Date/Time: 02-24-26_15:24:55
RF Status: Bad
Tuner Status: Good
Comment: Very weak 2.5W amp needs to be replaced after RFCM replaced.
Special Instructions:

Maintenance Tag: Component: 2.5W Amp

Log Number: 4472833Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: RF was turned on in:
R27
R2A
R2B
R2D
R2F
R2H
R2I
R2K

Log Number: 4472832Logbook(s): 

• ELOG

Body: 

24th February work:
- YBBS04 and YBBS06 2B alignment'

25th February work map:
- Hall A MOLLER Pion Donut Anchor layout

Log Number: 4472827Logbook(s): 

• ELOG

Body: 

25A. Girder vacuum connections completed. Actively pumping on girder overnight. Final leak check and Neg pump activation in the morning.
26A. Girder vacuum connections completed. Actively pumping on girder overnight. Final leak check was good. Neg pump activation tomorrow.

Log Number: 4472826Logbook(s): 

• ELOG
• SRFLOG

Entry Makers: michaelmBody: 

AES-RF has already swapped IR card during HCO.

Log Number: 4472825Logbook(s): 

• ELOG

Entry Makers: michaelmBody: 

RD-1 module presently in place

Log Number: 4472824Logbook(s): 

• ELOG

Entry Makers: michaelmBody: 

No forward power CRFP RFCM swapped (4451863) - needs new 2.5W amp (170mW at full drive; 4451930)

Log Number: 4472823Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
1L05-8
Username: evonda
Date/Time: 02-24-26_14:51:39
RF Status: Good
Tuner Status: Good
Comment: Fiber optic cable was inserted in the AIB side and resolved the readback issues.
Special Instructions: to run LEM at 940

Maintenance Tag: Component: Other

Log Number: 4472822Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L08-3
Username: kerns
Date/Time: 02-24-26_14:50:52
RF Status: Good
Tuner Status: Good
Comment: Filament board replaced and filaments acquired.
Special Instructions:

Maintenance Tag: Component: Filament Board {Removed SN: 332, Replacement SN: 014}

Log Number: 4472821Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
1L05-3
Username: evonda
Date/Time: 02-24-26_14:50:19
RF Status: Good
Tuner Status: Good
Comment: Filament board replaced for no readbacks.
Special Instructions: to run LEM at 940

Maintenance Tag: Component: Filament Board {Removed SN: 241, Replacement SN: 243}

Log Number: 4472819Logbook(s): 

• ELOG

Body: 

1L13 - Replaced Agilent scroll pump at 1L13 gate valve open turbo at full speed. Old pump staged for RADCON survey.

Log Number: 4472818Logbook(s): 

• ELOG

Body: 

0L03/0L04 - 1L20 - Agilent scroll pump at 0L04 and turbo turned off to attach vibration isolation block and new hoses. Work complete scroll and turbo back on valve open turbo at full speed.

Log Number: 4472817Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
1L21-5
Username: alexs
Date/Time: 02-24-26_14:11:22
RF Status: Bad
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - Reinstalled filament board, mod anode board, and klystron jumper
Special Instructions:

Maintenance Tag: Component: Filament Board {Removed SN: , Replacement SN: 310}, Component: Mod Anode Board