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

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== Priority Items ==
 
== Priority Items ==
  
<s>Hall A Moller Polarimeter target magnet testing (Simona's turn when she's ready, and any fixes afterward if necessary)</s> Finally done! :D Everything is working and ran up to full current without issue.
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SE-II search
  
Install S0 counter above BB for a cosmics trigger.
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HMS drift chamber low voltage supply replacements
  
Locking bar for the Right Shield House (needs to be installed and demonstrated it will keep door closed)
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Moller maintenance OSP
  
Jumper bars for SBB coils (in progress)
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SBS corrector OSP?
  
Controls for SBB and corrector coils (waiting for water to the magnets)
+
Sieve slit controllers OSP
  
Install magnet leads for SBB (535 MCM cable) (cables run, waiting on copper bus bars) (connections still need to be torqued)
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VVUs on HMS
  
Connect magnet leads for SBB corrector magnets (2 AWG welding cable) (cables run, Reagan is making final connections)
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Guards on HMS dipole leads
  
re-install ground fault detector in LQ1 supply - requires configuration of module (not started)
+
Oscillator for LN2 level meter
  
Gas manifolds for GEM gas cylinders (started)
+
BigBite Argon manifold pressure sensor erratic. Need to clean the connections?
  
Nitrogen supply for GEM gas cylinder valves (Clippard valves and cylinder controller) (not started)
+
Some of the SBS magnet bus bars have been running hot. Do we need to re-torque them?
 
+
Gas mix controller and MFCs for GEM detectors (not started)
+
  
 
Readout for LCW pressure sensors added at end of beamline walkway (not started)
 
Readout for LCW pressure sensors added at end of beamline walkway (not started)
  
Re-install crash buttons in Hall A Counting Room - RQ1 button for BB and new ones for SBS supply and correctors (Done, needs tested)
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== Cryo ==
  
Install thermistors on SBS/Big Bite magnets and junction boxes. <s>ADC node boards made and parts stuffing is ongoing.</s> Should have enough boards now. Software is basically done, but will need to be updated after all thermistors are in place.
+
Pump-out (CVI) replacement (Lars)
  
Install Klixons on SBB and connect to power supply.
+
Remove actuators from right arm magnets (Hall A). (Dipole/Q3 complete)
  
<s>Install Klixons on BB and connect to power supply.</s> Done.
+
Build local valve control boxes with local read out.
  
<s>Rpi for threshhold monitoring for DAQ</s> Done.
+
op check/repair hall C vacuum gauges (in progress - Lars)
  
Test LQ2 FuG with new polarity reversal switch.
+
Troubleshoot HMS Q1 LN2 temp sensors.
  
Verify LQ2 has LCW reconnected.
+
Check HMS Quad magnet leads for leaks/repair.
  
== Would Be Good To Do Items ==
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Troubleshoot HMS Dipole LN2 siphon temp.
  
Re-locate NDX detectors in Hall A - one in DAQ bunker and the other in BB GEM bunker
+
Extend HMS Q1 warm return control wires and re-terminate/calibrate.
  
Roofing material for SBS GEM bunker (located some possible material - will run past Jessie)
+
Check all JT actuators, ensure belt is functional and in the correct orientation.
  
Remove actuators from right arm magnets. (Dipole complete)
+
Insulate HMS N2 4k shield (stinger) return line.
  
clean up R-arm supply platform
+
Insulate SHMS Warm return line across pivot.
  
clean up L-arm supply platform
+
Repair calibrate warm return valve spares.
  
Swap out MFCs in VDC mixing system
+
Repair calibrate JT valve spares.
  
Remove three Oxford power supplies from HMS
+
Troubleshoot HMS Quad Vac gauges.
  
HMS/SHMS Heater and fan changes, fixes, upgrades etc.
+
Move the SHMS lead flow controllers and coordinate with the Cryo group (need engineering support).
  
== PARTS ORDER LIST FOR 1 OCT ==
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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)
  
-2 wire cable,
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Update code for the new temperature sensor installed on the HX N2 vent on the HMS.
ferrules,
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#6 hardware
+
  
== Possible Future Items ==
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Move temps from Honeywell to PLC controls. (if channels are available)
  
Replace air compressor in Hall A Gas Shed (on hold till next fiscal year)
+
Add "T's" and pump out ports to HMS magnet vacuum gauge ports.
  
Remote reset for Hall C spectrometer motion (maybe next year)
 
  
Install new liquid level meters on SHMS- Install done, waiting on software and LN2 probe cal to go live (need Steven).
+
 
 +
 
 +
 
 +
Warm up SHMS Dipole.
 +
 
 +
De-sting SHMS 4k He supply transfer line.
 +
 
 +
Repair SHMS 4k supply transfer line ball valve assembly.
 +
 
 +
Re-sting SHMS 4k transfer line.
 +
 
 +
Cool SHMS Dipole, Q3, Q2, Q1.
 +
 
 +
After HB magnet electronics controls installation complete, cool HB Magnet.
 +
 
 +
Warm HMS Dipole (to 300k for lead repair)
 +
 
 +
Repair lead leak on HMS Dipole leads.
 +
 
 +
Cool HMS Dipole.
 +
 
 +
== Electrical ==
 +
 
 +
Capacitor discharge stick
 +
 
 +
Isolating power switches on HMS power supplies
 +
 
 +
Specifications for power supplies for HKS (coordinate with Sarin)
 +
 
 +
Get Unser repaired
 +
 
 +
Hall A Compton photon detector table motion (somebody cut the cables)
 +
 
 +
GEM low voltage distribution
 +
 
 +
== Spectrometers ==
 +
 
 +
Make HMS dipole NMR lock better
 +
 
 +
Hall probes/NMR (?) for HKS
 +
 
 +
== Gas systems ==
 +
 
 +
== Do We Still Need To Do These? ==
 +
 
 +
== Possible Future Items ==

Latest revision as of 12:10, 25 September 2023

Priority Items

SE-II search

HMS drift chamber low voltage supply replacements

Moller maintenance OSP

SBS corrector OSP?

Sieve slit controllers OSP

VVUs on HMS

Guards on HMS dipole leads

Oscillator for LN2 level meter

BigBite Argon manifold pressure sensor erratic. Need to clean the connections?

Some of the SBS magnet bus bars have been running hot. Do we need to re-torque them?

Readout for LCW pressure sensors added at end of beamline walkway (not started)

Cryo

Pump-out (CVI) replacement (Lars)

Remove actuators from right arm magnets (Hall A). (Dipole/Q3 complete)

Build local valve control boxes with local read out.

op check/repair hall C vacuum gauges (in progress - Lars)

Troubleshoot HMS Q1 LN2 temp sensors.

Check HMS Quad magnet leads for leaks/repair.

Troubleshoot HMS Dipole LN2 siphon temp.

Extend HMS Q1 warm return control wires and re-terminate/calibrate.

Check all JT actuators, ensure belt is functional and in the correct orientation.

Insulate HMS N2 4k shield (stinger) return line.

Insulate SHMS Warm return line across pivot.

Repair calibrate warm return valve spares.

Repair calibrate JT valve spares.

Troubleshoot HMS Quad Vac gauges.

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)

Update code for the new temperature sensor installed on the HX N2 vent on the HMS.

Move temps from Honeywell to PLC controls. (if channels are available)

Add "T's" and pump out ports to HMS magnet vacuum gauge ports.



Warm up SHMS Dipole.

De-sting SHMS 4k He supply transfer line.

Repair SHMS 4k supply transfer line ball valve assembly.

Re-sting SHMS 4k transfer line.

Cool SHMS Dipole, Q3, Q2, Q1.

After HB magnet electronics controls installation complete, cool HB Magnet.

Warm HMS Dipole (to 300k for lead repair)

Repair lead leak on HMS Dipole leads.

Cool HMS Dipole.

Electrical

Capacitor discharge stick

Isolating power switches on HMS power supplies

Specifications for power supplies for HKS (coordinate with Sarin)

Get Unser repaired

Hall A Compton photon detector table motion (somebody cut the cables)

GEM low voltage distribution

Spectrometers

Make HMS dipole NMR lock better

Hall probes/NMR (?) for HKS

Gas systems

Do We Still Need To Do These?

Possible Future Items