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

From Hall A Wiki
Jump to: navigation, search
(Priority Items)
 
(170 intermediate revisions by 4 users not shown)
Line 1: Line 1:
 +
== 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 ==
 
== 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)
  
Install VVU on SBB power supply - VVU is by the supply
+
== Cryo ==
  
Install spring washers on SBB and BB busbars and connections
 
  
Readout for LCW pressure sensors added at end of beamline walkway (not started)
 
  
Fix LCW leak in LD1 Dynapower
+
Build local valve control boxes with local read out. (Heidi-in progress)
  
Check if optocoupler is missing in LQ2 FuG - Looked for this. Didn't see one on the main boards, but realized as I am writing this, maybe it was for the interface for remote polarity switching? --Ellen
+
op check/repair hall C vacuum gauges (in progress - Lars)
  
Buy and replace MFCs in old FPP mixing system - MFCs on order
+
Insulate HMS N2 4k shield (stinger) return line.(Lars)
  
Replace ground fault module in LQ1 power supply - on 2nd floor of CH
+
Repair calibrate JT valve spares. (Lars)
  
Replace air compressor in Hall A Gas Shed
+
Update code for the new temperature sensor installed on the HX N2 vent on the HMS. (Ellen?)
  
Find video cables from hall in the CH
+
Check penning gauges on HMS Quads (software or hardware problem?) (Ellen/Lars)
  
Gas manifolds for GEM gas cylinders (started)
+
PLC/Code changes (Heidi/Ellen-in progress)
  
Nitrogen supply for GEM gas cylinder valves (Clippard valves and cylinder controller) (not started)
+
Assemble L Tube/relief valve assembly (Lars)
  
Gas mix controller and MFCs for GEM detectors (not started)
+
U-Tube ePass/fall protection, Hall A (Heidi) -Paperwork submitted
  
Determine 100% liquid level set point/Hall C magnets.
+
Remove all hal A left arm U-tubes
  
Build better "shield hut" for SHMS lead flow controllers.
 
  
Warm up HB.
 
  
Add "T's" and pump out ports to HMS magnet vacuum gage ports.
 
  
Add ventilation to SHMS Dipole flow meter shielding.
 
  
Find 4 atmos leak in Hall C.
+
'''SAD'''
  
Move ozone meters from VME to PI.
+
Warm HMS Dipole to 90K and pump
  
== Would Be Good To Do Items ==
+
Troubleshoot/repair HMS DI He in and He 3 temp sensors -Done
  
Remove actuators from right arm magnets. (Dipole/Q3 complete)
+
Troubleshoot HMS Q1 LN2 temp sensors. (Heidi-SAD)
  
clean up R-arm supply platform
+
Check HMS Quad magnet leads for leaks/repair. (Heidi-SAD)
  
clean up L-arm supply platform
+
Troubleshoot HMS Dipole LN2 siphon temp. (Heidi-SAD)
  
HMS/SHMS Heater and fan changes, fixes, upgrades etc.
+
Troubleshoot HMS Q1  PT-17/PT-18 temp sensors. (Heidi-SAD)
  
Calibrate and op-check spare warm return valves for Hall C.
+
Install environmental splices SHMS Dipole liquid level line (Heidi-SAD)
  
Hall C Moller: setup new chiller, repair compressor, modify bertha
+
Cool SHMS Dipole, Q3, Q2, Q1. (Heidi)
  
Add bypass switch for SHMS UPS?
+
After HB magnet electronics controls installation complete, cool HB Magnet. (Heidi)
  
== PARTS ORDER LIST FOR 1 OCT ==
+
Repair lead leak on HMS Dipole leads.(Heidi/Lars)
  
-2 wire cable,
+
Cool HMS Dipole.(Heidi)
ferrules,
+
\# 6 hardware
+
  
== Do We Still Need To Do These? ==
+
Insulate stinger N2 return line (Lars)
  
Test LQ2 FuG with new polarity reversal switch.
+
Add "T's" and pump out ports to HMS magnet vacuum gauge ports. (Lars)
  
Mount Left Shield House temperature readout in CH
+
Move temps from Honeywell to PLC controls. (if channels are available)
  
Find and connect NMR cables in CH
+
Extend HMS Q1 warm return control wires and re-terminate/calibrate. (Heidi-pigtail made/SAD)
  
Swap out MFCs in VDC mixing system
+
Remove actuators from right and left arm magnets (Hall A). (Dipole/Q3 complete) (Heidi, Lars)
  
== Possible Future Items ==
+
Pump-out (CVI) replacement (Larry)-on hold
  
Remote reset for Hall C spectrometer motion (maybe next year)
+
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 ==
  
Install new liquid level meters on SHMS- Install done, waiting on software and LN2 probe cal to go live (need Steven).
+
Reboot switch for I2C devices

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