Aggregator

Log Number: 4516101Logbook(s): 

• ELOG

Body: 

Replaced arc detector PMT in 1L21-5 and 2L07-4 and manually tested fine. 2L07-4 was logged as GSET 0 due to arcing in which case it will have to be derated. Cavity also has high KMAI/KMAS and SOS'ing since August last year which will require derating to correct.

Log Number: 4516100Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-8
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516099Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-7
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516098Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-6
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516097Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-5
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516096Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-4
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516095Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-3
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516094Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been unbypassed:
2L02-2
Username: jkt
Date/Time: 06-24-26_15:42:28
RF Status: Good
Tuner Status: Good
Comment: Unbypassed - stepped on -100k - recovery after cavity 1 jumper pulled
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516093Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: NL and SL being surveyed. Hall B in Controlled Access.

Log Number: 4516091Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 0 0 0

Log Number: 4516089Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
2L02-1
Username: jkt
Date/Time: 06-24-26_15:28:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed ,pulled the jumper for HV issues and removed the 2.5W amp
Special Instructions:

Maintenance Tag: Component: Other

Log Number: 4516084Logbook(s): 

• ELOG

Body: 

Shunt module moved from slot 1 to slot 4. Powered on shunt chassis and verified communication. Removed locks from ARC-5 and turned supply back on.

- Peirce, Banks

Log Number: 4516083Logbook(s): 

• ELOG

Entry Makers: ywangBody: 

Fig. 1: Adjusted C1 from 1.000 to 1.073 per CIS. Changed VWien HV from 3101.8 V to 2889.9 V per CIS. Adjusted the VWien magnet field accordingly

Log Number: 4516081Logbook(s): 

• ELOG

Tags: 

• Readme

Body: [figure:1] Always check the Authorization web application for the latest status: JLab Authorization Manager

Log Number: 4516079Logbook(s): 

• ELOG

Entry Makers: samariBody: 

Log Number: 4516078Logbook(s): 

• ELOG

Body: 

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

MQA8S05
MBC8S05H
MBC8S05V
MBT2S06V
MQA4S05
MBC4S05H
MBC4S05V
MQD8S04
MBC6S05H
MBC6S05V
MQA8S04A
MBDAS04H
MBDAS04V
MQA8S04
MBDAS06H
MBDAS06V
MQC2S06
MQA2S04
MBDAS05H
MBDAS05V
MQAAS05
MBT2S05H
MBT2S05V
MQA4S04

Total Time: 2.750 mins

Log Number: 4516077Logbook(s): 

• ELOG

Body: 

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

MBC4S01V
MQA6S01
MBC6S01H
MBC6S01V
MQA8S01
MBC8S01V
MBC8S00H
MBMAS00H
MQBAS01
MBT2S01H
MBT2S01V
MQA4S01
MBC4S01H
MQB2L22
MQB2L23

Total Time: 1.683 mins

Log Number: 4516076Logbook(s): 

• ELOG

Entry Makers: dthomasBody: 

NL, SL, HB in restricted
BSY, HC in controlled
Vertical Wien angle adjustment was completed
Spot move work still in progress
Bldg 95 Locked Up (TUN9)

Log Number: 4516075Logbook(s): 

• ELOG

Tags: 

• Repair

Body: 

MZAAS04

Resistance Measured, R = 109 mOhms

Inductance Measured:
@ 60Hz: L = 2.588 mH, Q = 1.53
@ 120Hz: L = 1.988 mH, Q = 1.57
@ 1kHz: L = 0.911 mH, Q = 1.52

Megger Coil Insulation Test:
R = 6.33 MOhms @ 502 V
~79 uA leakage with LCW

Log Number: 4516074Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl06
Data from: /usr/opdata/burt/allsnap/06-24-26_10:50:01
Restored file: /tmp/06-24-26_14:56:45.snap