Difference between revisions of "Halls A and C Spectrometer Support Group Whiteboard"
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| + | == Work delayed by LOTO pause == | ||
| + | * SBS power supply troubleshooting (Friday, May 24) | ||
| + | * SHMS cooldown (Tuesday, May 28) | ||
| + | * Hall A Compton laser work (Wednesday, May 29) | ||
| + | * Hall C: NPS magnet removal | ||
| + | * Hall A: BigBite removal | ||
| + | * Compton photon table work | ||
| + | |||
| + | == Admin locks applied for longer than 1 week (please list below) == | ||
| + | * ?? | ||
| + | |||
== ePAS permits == | == ePAS permits == | ||
* ePAS info in the EH&S manual: https://www.jlab.org/ehs/ehsmanual/ePAS__manual%20section%202_rev0.htm | * ePAS info in the EH&S manual: https://www.jlab.org/ehs/ehsmanual/ePAS__manual%20section%202_rev0.htm | ||
| Line 13: | Line 24: | ||
* Hall C Spectrometer rotation reset JLAB-PTW-1723 | * Hall C Spectrometer rotation reset JLAB-PTW-1723 | ||
* Hall C Spectrometer rotation (remote or local) JLAB-PTW-1605-rev1 | * Hall C Spectrometer rotation (remote or local) JLAB-PTW-1605-rev1 | ||
| − | |||
* Grinch (Big Bite): JLAb-PTW-2148 | * Grinch (Big Bite): JLAb-PTW-2148 | ||
* Cryo Heidi JLAB-PR-1203 | * Cryo Heidi JLAB-PR-1203 | ||
| Line 27: | Line 37: | ||
* Moller magnet vacuum (Ellen) | * Moller magnet vacuum (Ellen) | ||
* Compton laser mirror replacement (Dave w/help from Lars) | * Compton laser mirror replacement (Dave w/help from Lars) | ||
| − | * Compton photon detector table repair (Sam | + | * Compton photon detector table repair (Sam) |
| + | * Compton laser polarization measurement (Sam) | ||
* Big Bite related tasks (won't be used) | * Big Bite related tasks (won't be used) | ||
* Pull all Hall A left arm U-tubes, install jumper to N2 return. (heidi-Paperwork in progress) | * Pull all Hall A left arm U-tubes, install jumper to N2 return. (heidi-Paperwork in progress) | ||
| Line 33: | Line 44: | ||
* MOLLER prep: relocate 480 junction box, identify cables above beamline | * MOLLER prep: relocate 480 junction box, identify cables above beamline | ||
* Add jmenu controls for GEM LV? Is browser interface sufficient? | * Add jmenu controls for GEM LV? Is browser interface sufficient? | ||
| + | * figure out white junction box above beamline for Moller (Joe) | ||
| + | * SBS regulation (Joe) | ||
| + | * ECAL connector soldering (Lars) | ||
| + | * GEM gas line repair (Lars), COMPLETE | ||
| + | * Add rails to rack (Lars), COMPLETE | ||
| + | * Nitrogen dewar for GEMS (Lars) | ||
== Hall C Work for LAD == | == Hall C Work for LAD == | ||
| Line 40: | Line 57: | ||
* Figure out SHMS encoder drift | * Figure out SHMS encoder drift | ||
* hall C moller compressor comms and filter | * hall C moller compressor comms and filter | ||
| − | * remove NDX detectors from hall C | + | * remove NDX detectors from hall C (in progress) |
* Guards on HMS dipole leads-(Lars) | * Guards on HMS dipole leads-(Lars) | ||
* HMS drift chamber low voltage supply replacements | * HMS drift chamber low voltage supply replacements | ||
* HMS Shield door motor drive replacement | * HMS Shield door motor drive replacement | ||
| + | * Rotation shunt-trip breakers: replace or buy spares (Steve L. suggestion) | ||
| + | * Get circuit breaker reset stick (Steve L. suggestion) | ||
| + | * Label and track NPS equipment (Lars) | ||
| + | * Find Andy's files (?) | ||
== Priority Items == | == Priority Items == | ||
| + | * Check your own PPE | ||
| + | * Have Dave G check your PPE | ||
| + | * Locate Jack's property (all) | ||
* Moller maintenance ePAS | * Moller maintenance ePAS | ||
* Sieve slit controllers ePAS | * Sieve slit controllers ePAS | ||
* BigBite Argon manifold pressure sensor erratic. Need to clean the connections | * BigBite Argon manifold pressure sensor erratic. Need to clean the connections | ||
* SBS Argon pressure sensor bad? | * SBS Argon pressure sensor bad? | ||
| − | * Work with Brad and Steve Lassiter to get Skylla10 moved from physical hardware to virtual machine | + | * Work with Brad and Steve Lassiter to get Skylla10 moved from physical hardware to virtual machine (Ellen) |
| − | * Version control software for Hall C PLC code | + | * Version control software for Hall C PLC code (Ellen) |
== Cryo == | == Cryo == | ||
| Line 73: | Line 97: | ||
Assemble L Tube/relief valve assembly (Lars) | Assemble L Tube/relief valve assembly (Lars) | ||
| − | + | U-Tube ePass/fall protection, Hall A (Heidi) -Paperwork submitted | |
| + | |||
| + | Remove all hal A left arm U-tubes | ||
| + | |||
| − | |||
'''SAD''' | '''SAD''' | ||
| + | |||
| + | Warm HMS Dipole to 90K and pump | ||
| + | |||
| + | Troubleshoot/repair HMS DI He in and He 3 temp sensors -Done | ||
Troubleshoot HMS Q1 LN2 temp sensors. (Heidi-SAD) | Troubleshoot HMS Q1 LN2 temp sensors. (Heidi-SAD) | ||
| Line 109: | Line 139: | ||
Remove actuators from right and left arm magnets (Hall A). (Dipole/Q3 complete) (Heidi, Lars) | Remove actuators from right and left arm magnets (Hall A). (Dipole/Q3 complete) (Heidi, Lars) | ||
| − | Pump-out (CVI) replacement (Larry) | + | Pump-out (CVI) replacement (Larry)-on hold |
Install new lead flow controller HMS Dipole (Heidi) | Install new lead flow controller HMS Dipole (Heidi) | ||
| − | |||
| − | De-sting SHMS 4k He supply transfer line. (Heidi) | + | '''''Not This SAD''''' |
| + | |||
| + | De-sting SHMS 4k He supply transfer line. (Heidi)- | ||
De-sting SHMS DI 4k He supply line. (Heidi)? | De-sting SHMS DI 4k He supply line. (Heidi)? | ||
| Line 129: | Line 160: | ||
== Electrical == | == Electrical == | ||
| − | Isolating power switches on HMS power supplies | + | Isolating power switches on HMS power supplies, maybe |
Specifications for power supplies for HKS (coordinate with Onish) | Specifications for power supplies for HKS (coordinate with Onish) | ||
| Line 135: | Line 166: | ||
Get Unser repaired --> not possible. Dave Mack took to Fast Electronics | Get Unser repaired --> not possible. Dave Mack took to Fast Electronics | ||
| − | capacitor bank VVUs for hall A magnets | + | capacitor bank VVUs for hall A magnets (Ellen/Sam) |
| + | |||
| + | check/label HMS quad pivot cabinet with proper electrical labels if needed | ||
== Spectrometers == | == Spectrometers == | ||
| − | Make HMS dipole NMR lock better | + | Make HMS dipole NMR lock better, replace gain pot with spare? |
Finish refurbishing NMR multiplexer for hall C | Finish refurbishing NMR multiplexer for hall C | ||
Latest revision as of 08:22, 15 July 2024
Contents
Work delayed by LOTO pause
- SBS power supply troubleshooting (Friday, May 24)
- SHMS cooldown (Tuesday, May 28)
- Hall A Compton laser work (Wednesday, May 29)
- Hall C: NPS magnet removal
- Hall A: BigBite removal
- Compton photon table work
Admin locks applied for longer than 1 week (please list below)
- ??
ePAS permits
- ePAS info in the EH&S manual: https://www.jlab.org/ehs/ehsmanual/ePAS__manual%20section%202_rev0.htm
- Hall C Moller - operation and measurement: JLab-PTW-1307
- Compton laser lab: JLab-PTW-1098
- Hall A Compton: JLab-PTW-1359
- NPS power supply LOCAL operation: JLab-PTW-1617
- NPS correctors - LOCAL operation: JLab-PTW-1638
- HMS Quads: JLAB-PTW-1699
- HMS Dipole: JLAB-PTW-1701
- SBS power supply LOCAL operation: JLAB-PTW-1703
- SBS corrector LOCAL operation JLAB-PTW-1722
- Power supply repair and maintenance (Ellen)
- Hall C Spectrometer rotation reset JLAB-PTW-1723
- Hall C Spectrometer rotation (remote or local) JLAB-PTW-1605-rev1
- Grinch (Big Bite): JLAb-PTW-2148
- Cryo Heidi JLAB-PR-1203
- Spectrometer gas systems (Chandan, Bill)
- Tabletop electronic troubleshooting (Mode 1 and 2) JLAB-PTW-????
Hall A Work for GEP (next SAD)
- Moller dipole power supply
- Power for ECAL racks - 10 NIM crates, up to 300 W each
- Transformer for ECAL heater power. Need 480 VAC, 200A supply
- More GEM low voltage - BB GEMS are moving to SBS
- Interlock switches for ECAL panels (Ellen)
- Moller magnet vacuum (Ellen)
- Compton laser mirror replacement (Dave w/help from Lars)
- Compton photon detector table repair (Sam)
- Compton laser polarization measurement (Sam)
- Big Bite related tasks (won't be used)
- Pull all Hall A left arm U-tubes, install jumper to N2 return. (heidi-Paperwork in progress)
- Decommission left arm supplies (Heidi-work request submitted)
- MOLLER prep: relocate 480 junction box, identify cables above beamline
- Add jmenu controls for GEM LV? Is browser interface sufficient?
- figure out white junction box above beamline for Moller (Joe)
- SBS regulation (Joe)
- ECAL connector soldering (Lars)
- GEM gas line repair (Lars), COMPLETE
- Add rails to rack (Lars), COMPLETE
- Nitrogen dewar for GEMS (Lars)
Hall C Work for LAD
- Power for GEM racks (Joe?)
- NPS calorimeter and sweeper removal
- All the things for getting SHMS working again - bender will be reinstalled (all). See Cryo "SAD" list below
- Figure out SHMS encoder drift
- hall C moller compressor comms and filter
- remove NDX detectors from hall C (in progress)
- Guards on HMS dipole leads-(Lars)
- HMS drift chamber low voltage supply replacements
- HMS Shield door motor drive replacement
- Rotation shunt-trip breakers: replace or buy spares (Steve L. suggestion)
- Get circuit breaker reset stick (Steve L. suggestion)
- Label and track NPS equipment (Lars)
- Find Andy's files (?)
Priority Items
- Check your own PPE
- Have Dave G check your PPE
- Locate Jack's property (all)
- Moller maintenance ePAS
- Sieve slit controllers ePAS
- BigBite Argon manifold pressure sensor erratic. Need to clean the connections
- SBS Argon pressure sensor bad?
- Work with Brad and Steve Lassiter to get Skylla10 moved from physical hardware to virtual machine (Ellen)
- Version control software for Hall C PLC code (Ellen)
Cryo
Build local valve control boxes with local read out. (Heidi-in progress)
op check/repair hall C vacuum gauges (in progress - Lars)
Insulate HMS N2 4k shield (stinger) return line.(Lars)
Repair calibrate JT valve spares. (Lars)
Update code for the new temperature sensor installed on the HX N2 vent on the HMS. (Ellen?)
Check penning gauges on HMS Quads (software or hardware problem?) (Ellen/Lars)
PLC/Code changes (Heidi/Ellen-in progress)
Assemble L Tube/relief valve assembly (Lars)
U-Tube ePass/fall protection, Hall A (Heidi) -Paperwork submitted
Remove all hal A left arm U-tubes
SAD
Warm HMS Dipole to 90K and pump
Troubleshoot/repair HMS DI He in and He 3 temp sensors -Done
Troubleshoot HMS Q1 LN2 temp sensors. (Heidi-SAD)
Check HMS Quad magnet leads for leaks/repair. (Heidi-SAD)
Troubleshoot HMS Dipole LN2 siphon temp. (Heidi-SAD)
Troubleshoot HMS Q1 PT-17/PT-18 temp sensors. (Heidi-SAD)
Install environmental splices SHMS Dipole liquid level line (Heidi-SAD)
Cool SHMS Dipole, Q3, Q2, Q1. (Heidi)
After HB magnet electronics controls installation complete, cool HB Magnet. (Heidi)
Repair lead leak on HMS Dipole leads.(Heidi/Lars)
Cool HMS Dipole.(Heidi)
Insulate stinger N2 return line (Lars)
Add "T's" and pump out ports to HMS magnet vacuum gauge ports. (Lars)
Move temps from Honeywell to PLC controls. (if channels are available)
Extend HMS Q1 warm return control wires and re-terminate/calibrate. (Heidi-pigtail made/SAD)
Remove actuators from right and left arm magnets (Hall A). (Dipole/Q3 complete) (Heidi, Lars)
Pump-out (CVI) replacement (Larry)-on hold
Install new lead flow controller HMS Dipole (Heidi)
Not This SAD
De-sting SHMS 4k He supply transfer line. (Heidi)- De-sting SHMS DI 4k He supply line. (Heidi)?
Repair SHMS 4k supply transfer line ball valve assembly. (Heidi/Lars) Install new PHPK vac valve (techs)
Re-sting SHMS 4k transfer line/DI 4k supply. (Heidi)
Move the SHMS lead flow controllers and coordinate with the Cryo group (need engineering support).
SHMS Lead flow, - add upstream valves to isolate each lead flow, for easier replacement of valve/flow meter. (install when meters are moved to new location-need engineering /design support)
Electrical
Isolating power switches on HMS power supplies, maybe
Specifications for power supplies for HKS (coordinate with Onish)
Get Unser repaired --> not possible. Dave Mack took to Fast Electronics
capacitor bank VVUs for hall A magnets (Ellen/Sam)
check/label HMS quad pivot cabinet with proper electrical labels if needed
Spectrometers
Make HMS dipole NMR lock better, replace gain pot with spare?
Finish refurbishing NMR multiplexer for hall C
Rotation software improvement for hall C
skylla10 migration
hms quad vacuum gauges not working
Hall probes/NMR (?) for HKS
Add 2nd raspberry pi for HMS prescale
Gas systems
Do We Still Need To Do These?
Possible Future Items
Reboot switch for I2C devices
