shift summary - 6/14/99 - Day

Ron Ray (rray@fnpxsr)
Mon, 14 Jun 1999 15:28:16 -0500

Shift Summary for DAY shift, 6/JUN/99

On Shift: YW, RR

RF doing beam studies from MCR

Hours of beam delivered at all intensities:
Hours of beam delivered at nominal intensity:
Hours of E832 data (special runs not included):
Hours of special runs (laser scans, muon runs...): Beam studies -

Accounting of lost time: Problem with pipeline power supply and
problem with HV mainframe controller.

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Runs ended this shift:
Run xxxx - 1.8M events - BEAM_832
Run xxxx - 500k events - BEAM_MUON

Tapes brought to FCC this shift: KQ1001, ...
(including tapes for online split)

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Accesses during shift: Access to replace pipeline power supply.
Access to debug HV problem and replace 1440 controller

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Overview of shift:
Arrive on shift to discover previous shift crew preparing for access
to diagnose pipeline problems. Problem turns out to be a failed power
supply. Replacement is complex, so we find Steve Chappa, the local expert.
Ron and Steve make access and replace power supply.
Shortly after completing access for pipeline, MF 2 dropps out of laser
illumination plot. Diagnosed as bad mainframe controller. Since we don't
have a spare, the bad one is taken to prep and swapped.

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Description of Shift:

run spill time comment
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Follow up Notes on Previous Shift

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Items to Follow up on Next Shift

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Ron Ray - Fermilab - (630)840-8090 - rray@fnal.gov
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