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9 AM Meeting (23 Apr 2018)
Crew Chief Operations Summary
Friday morning there was a short period of Laser Notcher work which reduced Booster intensity.
MKS06 trip Friday evening. Experts reterminated a damaged HV cable.
RR RF1 28V PS failed and was replaced by ops.
R:KPS5A delay fire trips; found this was not tied in to beam permit.
MIRF9 needed to have its door interlock switch adjusted.
KPS6N filament trips have occurred several times and require a 15 minute timeout.
MIRF14 off on cavity water leak on Sunday.
Linac
Nothing additional.
Booster
MKS06 tripped Friday evening and experts replaced a HV cable.
Rest of the weekend went well.
4.7E12/pulse to NuMi
4.5E12/pulse on $1C and $1D cycles
Booster Neutrino
Running well.
BNB Experiments
Running well.
Main Injector & Recycler
RR RF1 power supply was swapped out by ops.
MIRF14 is off on a water leak indication.
Running well otherwise.
NuMI
MI extraction kicker trips interrupted beam a few times. Hope to live with it until Wednesday's shutdown.
NuMI Experiments
Running fine.
Muon Rings
Good weekend.
Jim's Friday evening tuning resulted in a ~5-10% increase in beam on target.
POT 1.03E12.
Avg power 10.8KW at 8.6 Hz.
Few nuisance ion pump trips, Li Lens trip due to noisy readback.
Preparing for Wednesday maintenance period.
See a 20 gal/day water leak.
Muon Experiments
A quad pulser cabinet was repared on Friday and it ran fine all weekend.
Friday evening tuning went well.
Running ~500 positrons per fill.
Stable running over the weekend.
Plan to do a trolley run Wednesday morning before the access.
SY120
Running well.
SY120 Experiments
Running smoothly.
Rearranging experiment schedules to accommodate the Wednesday maintenace period.
ES&H
Need to be in the loop for the MI30 ALARA plan on Wednesday.
EE Support
Nothing to add.
Mechanical
Nothing to report.
Fluids
Regenerated column 3.
MI DI bottles were changed this morning.
RF
Will investigate MIRF14 water leak during the planned downtime.
Controls
Nothing to add.
Instrumentation
Will investigate a database inconsistency with the toroids found by ops.
FESS
Discovered some "interesting" features of how water drainage is handled at NTSB.
Ready to begin repair of the domestic water line in MI on Wednesday.
Miscellaneous
2 day shutdown begins Wednesday. Beam off at 0600.
Please get worklist items in.
Friday morning there was a short period of Laser Notcher work which reduced Booster intensity.
MKS06 trip Friday evening. Experts reterminated a damaged HV cable.
RR RF1 28V PS failed and was replaced by ops.
R:KPS5A delay fire trips; found this was not tied in to beam permit.
MIRF9 needed to have its door interlock switch adjusted.
KPS6N filament trips have occurred several times and require a 15 minute timeout.
MIRF14 off on cavity water leak on Sunday.