Aggregator

Log Number: 4508161Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been UnGSET 0:
1L18-5
Username: schoene
Date/Time: 06-03-26_14:58:07
RF Status: Good
Tuner Status: Good
Comment: UnGSET 0 - stepped on -100k - Resistors checked, Kly./Harness HiPotted
Special Instructions:

Maintenance Tag: Component: 50 Ohm Resistor

Log Number: 4508160Logbook(s): 

• ELOG
• INCLOG

Body: 

Hall B IDX Installation Complete.
All 4 cables have been ran, terminated, and the IDX heads have been installed in their desired locations.
Joe Sawyer has verified that all four IDX heads are reading correctly via the electrometer.

Log Number: 4508159Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavities have been UnGSET 0:
1L18-1
Username: schoene
Date/Time: 06-03-26_14:58:07
RF Status: Good
Tuner Status: Good
Comment: UnGSET 0 - stepped on -100k - Resistors checked, Kly./Harness HiPotted
Special Instructions:

Maintenance Tag: Component: 50 Ohm Resistor

Log Number: 4508157Logbook(s): 

• ELOG

Body: 

New alarms have been implemented to monitor the RF Separator IOT protective chassis

Pass 2-5 (horizontal) - IOT Switch Status
Pass 2-4 IOT Restore Alarms

Restarted the ACC alarm handler with the crew's permission.

Log Number: 4508156Logbook(s): 

• SRFLOG
• ELOG
• RFLOG

Entry Makers: michaelmBody: 

Tuner reported as a bit crunchy and had trouble moving with tuner box. Tuner motor swapped from regular to high torque version. Attempted to open loop tune cavity and drove it +/-0.5M steps with no frequency response/power evident by cavity while driving with 400W Pfwd from klystron (C20 cavity).

Double checking with ACS to see if any software settings require update for the new motor.

If not, next step is plugging in a network analyzer to the cavity and seeing if we get frequency response while driving it...

Log Number: 4508155Logbook(s): 

• ELOG

Body: 

PM complete on both Beams chillers. Issues identified during operational testing will be addressed at a later date / sep ATLis.
Both chillers available for operation.

Log Number: 4508154Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 3.0.1 Target restore date was 2025-07-01 12:17:27 The output from the myRestore execution was as follows: iocr999rffcc1 Rf12Fcc_TestStand c100_rffcc@2025-07-01 12:17 72(72) restored c100_ecal@2025-07-01 12:17 19(19) restored Execute: myRestore -execute -P c100_ecal -t R991_ECAL -m BLDGNUM=9 ZONE=9 CAV=1 (success) c100_ecal@2025-01-16 18:09 19(19) restored Execute: burtwb -r 3 -f /cs/opshome/burt/REBOOT/Rf12Fcc/snap-kc/R991-kc.snap (success) rf2HarvTripOff 1(1) restored Pause: 2 second(s) rf2HarvTripS

Log Number: 4508153Logbook(s): 

• ELOG

Body: 

Attempted to open loop tune. Tuned scanned +/- 0.5 M steps from GSET 0 position and was unable to get any power into the cavity. Request AES-RF or some cognizant person attempt to drive through control system while investigating the cavity with a network analyzer.

Log Number: 4508151Logbook(s): 

• ELOG

Body: 

Set up DecaRad system on 1L09 to support pulse processing checks; removed from 2L24.
Readbacks via SRF DecaRad nl11a
__Drad Ch.__ /__Location__
DRADN11ASRF1 1L09 WG 1&2
DRADN11ASRF2, 4 & 8 n/c
DRADN11ASRF3 1L09 WG 3&4
DRADN11ASRF5 1L09 top cl
DRADN11ASRF6 1L09 WG 5&6
DRADN11ASRF7 1L09 WG 7&8
DRADN11ASRF9 1L09 Supply (US) BL
DRADN11ASRF10 1L09 Return (DS) BL
All 7 chs. show background counts. HV bias is off.
*******
Removed system from 2L25, moved to SA RCG survey table.
*******
System on 2L26 remains in place, and still works. HV is off.

Log Number: 4508146Logbook(s): 

• ELOG

Body: 

Subsequently able to open loop tune cavity and take it to it's ODVH value without incident.

Log Number: 4508145Logbook(s): 

• CLOG
• ELOG

Body: 

Flow increase complete; SC2 is stable at 200 g/s. CC4 speed is ~540.

Log Number: 4508144Logbook(s): 

• ELOG

Tags: 

• PDWeeklySummary

Body:  PD WEEKLY SUMMARY

• PROGRAM DEPUTY: Sadiq Saitiniyazi / Daniel Moser

Log Number: 4508143Logbook(s): 

• ELOG

Body: The following entry was removed from the Accelerator Bypassed-Interlocks Log (ABIL) Tag # 9775 Device: VIP1L06B Power Supply Function: Interlock for VBV1L06A and VBV1L06B Location: NL07B10 Purpose: bypass interlocks to adjacent valves Removed By: <a href='

Log Number: 4508142Logbook(s): 

• ELOG
• INCLOG

Body: 

Frank was ready to swap VIP1L06B appendage pump back over to upstairs supply.
Removed simulated load on the pump and power supply has been on the pump since 10AM.
Readbacks show pump is pumping down with all valves open.
Removing ABIL #9775.

Log Number: 4508141Logbook(s): 

• SRFLOG
• ELOG

Entry Makers: michaelmBody: 

Log Number: 4508140Logbook(s): 

• CLOG
• ELOG

Entry Makers: wisslerBody: 

Ramping SC2 cold compressor flow from 185 g/s to 200 g/s to support upcoming CEBAF energy increase.

Log Number: 4508139Logbook(s): 

• LERFLOG
• CLOG
• ELOG

Entry Makers: johnwBody: 

SLinac/FEL SC1R flow will be increased from 170g/s to 200g/s. Typical parameters (0.1g/s step every 30s) are used. Estimated completion time is 4:04pm.

Log Number: 4508138Logbook(s): 

• ELOG

Body: 

Replaced motor harness and was able to turn motor 2 revolutions in either direction

Log Number: 4508137Logbook(s): 

• ELOG
• INCLOG

Body: 

Work done in the North Linac(West & East Arc) today:
Dead Pump at VIP7A10, VIP8A26 and VIP3S03A.
Updated CED to reflect pump is disabled.

Replaced Ion Pak for:
VIP2L01 (Pumped arced and killed the ion pak I installed yesterday)
Will need to be swapped next SAM when doing the other 2 pumps in the shared vacuum space.
VIP3A21

Verified Readbacks for:
VIP8A25 (Will probably remain high due to VIP8A26 being dead)
VIP8A28 (Will probably remain high due to VIP8A26 being dead)
VIP8A29
VIP8A30
VIP8R01
VIP8R09A
(This section of beampipe has a small vacuum load/leak that will need to be investigated ne

Log Number: 4508135Logbook(s): 

• ELOG

Body: 

Replaced existing stepper motor with a Lin High Torque Motor #5818X-03S-RO. Tuner now turns 2 revolutions in either direction with the remote motor test box