1. YETS 2017
TE-CRG-OP overview of tasks to perform during the first month.
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YETS2017_CRG-OP

2. Time schedule
See KB presentation
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YETS2017_CRG-OP

3. Maintenance tasks foreseen 2/2
ATLAS
MR/SR: Replace oil pumps (magnetic coupling)
Update plateform for solenoid dewar
Install new pumping system MRCB
Consolidation SOL control rack?
Upgrade CPU (MR)
Replace communication link pump 2
Cold boxes/ Comp software update
ANRS
Water tanks refurbishing
Add 3 ways valves and redundant SV
CMS
Upgrade CPU and vacuum measues
Charcoal Adsorber insultation refurbishing (calorifuge)
Oil retention to build under new oil separator
Add 3 new purges line (charcoal filter outlet, HP/LP line CS-CB)
All: instrumentations/small mechanical upgrade
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YETS2017_CRG-OP

4. Maintenance tasks foreseen 1/2
LHC Compressor stations
SACO and associated instrumentation to replace/rewire
Sealing to inspect/replace: QSCA-4-CPA, QSCA-8-M02, QSCB-18-2P640, QSCB-8-M06
Small mechanical maintenance
Piping to clean QSCCB_P18
Instrumentation to check/exchange
LHC Cold boxes
Valves to replace
TU7_LHCA-P4 to exchange
Turbines instrumentation to inspect/replace
Self regenerated Colling water filter (prototype) to install P6
Cold compressor calibration/recover data
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YETS2017_CRG-OP

5. Controls tasks foreseen LHC
Update data server/FEC
PLC reload with individual FF and software updates
8 Premium to replace
Interlock review and associated software update; only 1 hardware modified (QSCA_P6) with simplified safety chain.
Prototype updated Cold compressor control (remove “kundig” plc and install soft in UNICOS) for prototype LHCA_P8, TBC
Minors updates.
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YETS2017_CRG-OP