Aggregator

Log Number: 4474620Logbook(s): 

• ELOG

Body: 

When turning on the ARC7 box supply, the YBBS06 shunt was still showing signs of the known issue. We have ruled out the shunt chassis, cabling going downstairs, the connections on the magnet for the shunt, and the magnet leads themselves to the magnet. The next thing that we can take a look at without needing access downstairs is taking an LCR meter and measuring the string. Paperwork to follow.

Log Number: 4474618Logbook(s): 

• ELOG

Entry Makers: bschaumlBody: 

We were running 60 uA CW to the ILD. First three valves closed and pressure spiked above 10^-4 on the gun pump. I didn't see anything on the DecaRADs at the time of the trip though there was a brief spike of 40 counts when the injector SME began sending CW. The gun pump appears to be pumping down very slowly, but is still at 10^-5 as I submit this log

Log Number: 4474616Logbook(s): 

• ELOG

Body: 

The FE measurements need to wait until swing/owl shift when no one is trying to recover RF.

Log Number: 4474615Logbook(s): 

• ELOG

Body: 

Network cable pulled for cameras 1 and 2 in LERF. Cables are terminated and connected at the cameras side.

Log Number: 4474614Logbook(s): 

• ELOG

Body: ACC has been disabled in alarm handler

redisabling

Log Number: 4474613Logbook(s): 

• ELOG

Body: ACC has been enabled in alarm handler

HCO troubleshooting

Log Number: 4474612Logbook(s): 

• ELOG

Body: 

Thank you for submission of this ATLis. I've added SYSADMIN for awareness. This work was completed Tu 2/24. When the work requires a PTW we ask that it be linked to the ATLis, either by entering the ATLis # in the ePAS Permit GUI during creation, or as a comment to the ATLis if the PTW has already been created.

Log Number: 4474611Logbook(s): 

• ELOG

Body: 

The next Maintenance Day will be We 3/11. Let's knock out SL04 and then transition to only addressing emergent leaks / repairs that crop up during the run. Thanks.

Log Number: 4474610Logbook(s): 

• ELOG

Body: 

Please comment ahead of time when you plan on swapping a given zone's DSPs. Also make sure the relevant PTW is on-issue before proceeding. Otherwise, Approved.

Log Number: 4474609Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Schaumloffel
DATE:             03/05/2026
SHIFT:               Swing

The operator has read the following:

Log Number: 4474608Logbook(s): 

• ELOG
• BTLOG

Tags: 

• Autolog

Body: eDT V2-40-2 Machine vs Design Setpoints - vertical dispersion list for ORFP
vertical dispersion list for ORFP
hostname: subopsl18
CED workspace: OPS
CED login_key: pro

Log Number: 4474607Logbook(s): 

• ELOG

Body: 

Update: Next week's Maintenance Day will be Wednesday March 11th. Added this task to SAM Cal for then.

Log Number: 4474606Logbook(s): 

• ELOG

Body: 

1L24 and 1L26 are ready for FE measurements. Please turn off 1L19 through 1L26 and close the beamline valve upstream of 1L22.

Log Number: 4474605Logbook(s): 

• ELOG

Body: 

PTW on-issue. Aiming to do this all one day, Tuesday 3/10, or will it be one pump one day, the other another?

Log Number: 4474604Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Thomas
DATE:             03/05/2026
SHIFT:               Swing

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4474602Logbook(s): 

• ELOG

Body: ACC=>BOXES=>ARC7A has been disabled in alarm handler

Work ongoing

Log Number: 4474598Logbook(s): 

• ELOG
• RFLOG

Entry Makers: victorcBody: 

Cavity had trouble coming up after turning the zone on. Tried OLT but CRFP not changing when adjusting GLOD.

Log Number: 4474597Logbook(s): 

• ELOG

Body: 

Good to go 3/6 for the electrometer swap

Log Number: 4474596Logbook(s): 

• ELOG

Body: 

PTW on-issue. Hall C Work Coordinator relayed OK. Good to go.

Log Number: 4474594Logbook(s): 

• ELOG

Body: 

2L23/2L25 in HV and ready to turn over to SRF. 2L06-2L09 recovered to RF after IOCSL1B rebooted late last night, filament volts high on 2L08-3 and 2L09-3 cavities and had to bypass for filament board replacements. 2L15-3 RFCM checked out and needs a 2.5W amp replaced (staged a good one at zone. EPASS paperwork another 4 hours to close up three zones. Kerns and Johnson.