Difference between revisions of "Halls A and C Spectrometer Support Group Whiteboard"

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== Priority Items ==
+
== Work delayed by LOTO pause ==
−
Replace HMS dipole switch (Joe)
+
* 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
  
−
Flush Hall C Moller compressor and chiller (Ellen+help)
+
== Admin locks applied for longer than 1 week (please list below) ==
 +
* ??
  
−
SE-II search (in progress)
+
== 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-????
  
−
HMS drift chamber low voltage supply replacements
+
== 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)
  
−
Moller maintenance OSP (not needed?)
+
== 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 (?)
  
−
SBS corrector OSP?
+
== 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)
  
−
Sieve slit controllers OSP
+
== Cryo ==
  
−
VVUs on HMS
 
  
−
Guards on HMS dipole leads
 
  
−
Oscillator for LN2 level meter
+
Build local valve control boxes with local read out. (Heidi-in progress)
  
−
BigBite Argon manifold pressure sensor erratic. Need to clean the connections (this is resolved right?)
+
op check/repair hall C vacuum gauges (in progress - Lars)
  
−
Some of the SBS magnet bus bars have been running hot. Do we need to re-torque them?
+
Insulate HMS N2 4k shield (stinger) return line.(Lars)
  
−
Readout for LCW pressure sensors added at end of beamline walkway (not started)
+
Repair calibrate JT valve spares. (Lars)
  
−
Work with Brad and Steve Lassiter to get Skylla10 moved from physical hardware to virtual machine
+
Update code for the new temperature sensor installed on the HX N2 vent on the HMS. (Ellen?)
  
−
Transformer for ECAL heater power. Need 480 VAC, 200A supply
+
Check penning gauges on HMS Quads (software or hardware problem?) (Ellen/Lars)
  
−
Version control software for Hall C PLC code
+
PLC/Code changes (Heidi/Ellen-in progress)
  
−
== Cryo ==
+
Assemble L Tube/relief valve assembly (Lars)
  
−
Pump-out (CVI) replacement (Lars)
+
U-Tube ePass/fall protection, Hall A (Heidi) -Paperwork submitted
  
−
Remove actuators from right arm magnets (Hall A). (Dipole/Q3 complete) (Heidi)
+
Remove all hal A left arm U-tubes
  
−
Build local valve control boxes with local read out. (Heidi)
 
  
−
op check/repair hall C vacuum gauges (in progress - Lars)
 
  
−
Troubleshoot HMS Q1 LN2 temp sensors. (Heidi)
 
  
−
Check HMS Quad magnet leads for leaks/repair. (Heidi)
 
  
−
Troubleshoot HMS Dipole LN2 siphon temp. (Heidi)
+
'''SAD'''
  
−
Extend HMS Q1 warm return control wires and re-terminate/calibrate. (Heidi)
+
Warm HMS Dipole to 90K and pump
  
−
Check all JT actuators, ensure belt is functional and in the correct orientation. (Lars)
+
Troubleshoot/repair HMS DI He in and He 3 temp sensors -Done
−
Insulate HMS N2 4k shield (stinger) return line.
+
  
−
Insulate SHMS Warm return line across pivot. (Lars)
+
Troubleshoot HMS Q1 LN2 temp sensors. (Heidi-SAD)
  
−
Repair calibrate warm return valve spares. (Lars)
+
Check HMS Quad magnet leads for leaks/repair. (Heidi-SAD)
  
−
Repair calibrate JT valve spares. (Lars)
+
Troubleshoot HMS Dipole LN2 siphon temp. (Heidi-SAD)
  
−
Troubleshoot HMS Quad Vac gauges. (Lars)
+
Troubleshoot HMS Q1  PT-17/PT-18 temp sensors. (Heidi-SAD)
  
−
Move the SHMS lead flow controllers and coordinate with the Cryo group (need engineering support).
+
Install environmental splices SHMS Dipole liquid level line (Heidi-SAD)
  
−
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)
+
Cool SHMS Dipole, Q3, Q2, Q1. (Heidi)
  
−
Update code for the new temperature sensor installed on the HX N2 vent on the HMS. (Ellen?)
+
After HB magnet electronics controls installation complete, cool HB Magnet. (Heidi)
  
−
Move temps from Honeywell to PLC controls. (if channels are available)  
+
Repair lead leak on HMS Dipole leads.(Heidi/Lars)
  
−
Add "T's" and pump out ports to HMS magnet vacuum gauge ports.
+
Cool HMS Dipole.(Heidi)
  
−
Check penning gauges on HMS Quads (software or hardware problem?) (Lars)
+
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)
  
−
Warm up SHMS Dipole. (Heidi)
+
Pump-out (CVI) replacement (Larry)-on hold
  
−
De-sting SHMS 4k He supply transfer line. (Heidi)
+
Install new lead flow controller HMS Dipole (Heidi)
  
−
Repair SHMS 4k supply transfer line ball valve assembly. (Heidi/Lars)
 
  
−
Re-sting SHMS 4k transfer line. (Heidi)
+
'''''Not This SAD'''''
  
−
Cool SHMS Dipole, Q3, Q2, Q1. (Heidi)
+
De-sting SHMS 4k He supply transfer line. (Heidi)-
 +
De-sting SHMS DI 4k He supply line. (Heidi)?
  
−
After HB magnet electronics controls installation complete, cool HB Magnet. (Heidi)
+
Repair SHMS 4k supply transfer line ball valve assembly. (Heidi/Lars)
 +
Install new PHPK vac valve (techs)
  
−
Warm HMS Dipole (to 300k for lead repair) (Heidi)
+
Re-sting SHMS 4k transfer line/DI 4k supply. (Heidi)
  
−
Repair lead leak on HMS Dipole leads.(Heidi/Lars)
+
Move the SHMS lead flow controllers and coordinate with the Cryo group (need engineering support).
  
−
Cool HMS Dipole.(Heidi)
+
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 ==
 
== Electrical ==
  
−
Isolating power switches on HMS power supplies
+
Isolating power switches on HMS power supplies, maybe
  
−
Specifications for power supplies for HKS (coordinate with Sarin)
+
Specifications for power supplies for HKS (coordinate with Onish)
  
 
Get Unser repaired --> not possible. Dave Mack took to Fast Electronics
 
Get Unser repaired --> not possible. Dave Mack took to Fast Electronics
  
−
Hall A Compton photon detector table motion (somebody cut the cables)
+
capacitor bank VVUs for hall A magnets (Ellen/Sam)
  
−
GEM low voltage distribution (Joe)
+
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
 +
 
 +
Rotation software improvement for hall C
 +
 
 +
skylla10 migration
 +
 
 +
hms quad vacuum gauges not working
  
 
Hall probes/NMR (?) for HKS
 
Hall probes/NMR (?) for HKS
  
−
== Gas systems ==
+
Add 2nd raspberry pi for HMS prescale
  
−
Hall C gas shed pi rebuild (done - need PVs for alarm handler)
+
== Gas systems ==
  
 
== Do We Still Need To Do These? ==
 
== Do We Still Need To Do These? ==

Latest revision as of 08:22, 15 July 2024

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

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