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

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== Priority Items ==
 
== Priority Items ==
 +
 +
SE-II search
 +
 +
Check HMS NMR connection
 +
 +
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)
 
Readout for LCW pressure sensors added at end of beamline walkway (not started)
  
−
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
+
== Cryo ==
  
−
Buy and replace MFCs in old FPP mixing system - MFCs on order
+
Pump-out (CVI) replacement (Lars)
  
−
Replace air compressor in Hall A Gas Shed - asked for quote
+
Remove actuators from right arm magnets (Hall A). (Dipole/Q3 complete)
  
−
Gas manifolds for GEM gas cylinders (started)
+
Build local valve control boxes with local read out.
  
−
Hall C Moller: setup new chiller, modify bertha, get new helium lines installed when they come in and test magnet cooldown
+
op check/repair hall C vacuum gauges (in progress - Lars)
  
−
Nitrogen supply for GEM gas cylinder valves (Clippard valves and cylinder controller) (not started)
+
Troubleshoot HMS Q1 LN2 temp sensors.
  
−
Gas mix controller and MFCs for GEM detectors (not started)
+
Check HMS Quad magnet leads for leaks/repair.
  
−
Determine 100% liquid level set point/Hall C magnets.
+
Troubleshoot HMS Dipole LN2 siphon temp.
  
−
Warm up HB.
+
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.
 
Add "T's" and pump out ports to HMS magnet vacuum gauge ports.
  
−
Add ventilation to SHMS Dipole flow meter shielding.
 
  
−
Find 4 atmos leak in Hall C.
 
  
−
Move ozone meters from VME to PI.
 
  
−
Add fan to beamline side lead (HB)
 
  
−
Modify HMS lead heaters, add perforated sheets up stream and add a perforated box downstream to fit heater.
+
Warm up SHMS Dipole.
  
−
== Would Be Good To Do Items ==
+
De-sting SHMS 4k He supply transfer line.
  
−
Remove actuators from right arm magnets. (Dipole/Q3 complete)
+
Repair SHMS 4k supply transfer line ball valve assembly.
  
−
clean up R-arm supply platform
+
Re-sting SHMS 4k transfer line.
  
−
clean up L-arm supply platform
+
Cool SHMS Dipole, Q3, Q2, Q1.
  
−
HMS/SHMS Heater and fan changes, fixes, upgrades etc.
+
After HB magnet electronics controls installation complete, cool HB Magnet.
  
−
Calibrate and op-check spare warm return valves for Hall C.
+
Warm HMS Dipole (to 300k for lead repair)
  
−
Add bypass switch for SHMS UPS - Switch ordered
+
Repair lead leak on HMS Dipole leads.
  
−
== Do We Still Need To Do These? ==
+
Cool HMS Dipole.
  
−
== Possible Future Items ==
+
== Electrical ==
  
−
Remote reset for Hall C spectrometer motion (maybe next year)
+
Capacitor discharge stick
  
−
Install new liquid level meters on SHMS- Install done, waiting on software and LN2 probe cal to go live (need Steven).
+
Isolating power switches on HMS power supplies
  
−
Fix LCW leak in LD1 Dynapower
+
Specifications for power supplies for HKS (coordinate with Sarin)
  
−
Replace pressure sensors on the Hall A Ethane manifold
+
Get Unser repaired
  
−
Replace ground fault module in LQ1 power supply
+
Hall A Compton photon detector table motion (somebody cut the cables)
  
−
Test LQ2 FuG with new polarity reversal switch.
+
GEM low voltage distribution
  
−
Swap out MFCs in VDC mixing system
+
== 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 14:47, 2 October 2023

Priority Items

SE-II search

Check HMS NMR connection

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

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