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Message ID: 931     Entry time: Wednesday, June 08, 2022, 10:01
Author: Aaron Schmidt 
Target/No.#: Ta#64 
Source: LP-SIS 
Station: ITE 
Module: TM4 
Target Oven W.O#: 44691-12 
Heat Shield W.O#: 44378-13 
Status: In progress 
Subject: Conditioning Ta#64 & HV Test. 

Thermocouples connected. Test HV

Wednesday, June 08, 2022, 09:33: Roughing.

Wednesday, June 08, 2022, 10:07: TP1B on.

Wednesday, June 08, 2022, 10:13: TP1B up to speed. TP1A on.

Wednesday, June 08, 2022, 10:21: TP1A up to speed. IG1 on.

Wednesday, June 08, 2022, 13:06: Waterline FS#5 Open. Vacuum @ 3.32-e06T.

Wednesday, June 08, 2022, 13:22: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. OK.

Wednesday, June 08, 2022, 13:26: One spark*.

Wednesday, June 08, 2022, 13:32: BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Wednesday, June 08, 2022, 13:33: Spark*

Wednesday, June 08, 2022, 13:38: BIAS / EE / EZL @ 40 / -2.0 / 17 kV

Wednesday, June 08, 2022, 13:42: Spark*. Outside the cage (EE) Feedthrough (K) Between a hex edge & one of the resistors on a plastic plate.

Wednesday, June 08, 2022, 13:50: BIAS / EE / EZL @ 45 / -2.3 / 19 kV

Wednesday, June 08, 2022, 14:18: We are back. Spark tripped the computer & shut it off while tapping up the HV. BIAS / EE / EZL @ 48.3 / 2.4 / 20 kV.

Wednesday, June 08, 2022, 14:22: BIAS / EE / EZL @ 50 / -2.5 / 20 kV.

Wednesday, June 08, 2022, 14:45: Spark* In the cage.

Wednesday, June 08, 2022, 14:57: Spark* In the cage.

Wednesday, June 08, 2022, 15:19: No sparks have occurred off the thermocouples.  Begin tapping down the HV.

Wednesday, June 08, 2022, 15:29: HV off. TGHT / TBHT Check @ 5 / 5 A OK.

Wednesday, June 08, 2022, 15:31: IV4 open.


Thursday, June 09, 2022, 05:14: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min. 

Thursday, June 09, 2022, 08:21: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. OK.

Thursday, June 09, 2022, 08:22: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min

Thursday, June 09, 2022, 08:29: Optics set. Standard tune.

Thursday, June 09, 2022, 10:22: Beginning wire & mass scans.

Thursday, June 09, 2022, 10:30: Adjust TSG:CB1 (ok)

Thursday, June 09, 2022, 11:40: Mass & wire scans complete. Tune set to standard. HV tests begin. BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Thursday, June 09, 2022, 11:45: BIAS / EE / EZL @ 40 / -2.0 / 17 kV

Thursday, June 09, 2022, 13:01: BIAS / EE / EZL @ 45 / -2.3 / 19 kV

Thursday, June 09, 2022, 13:13: Small spark* Outside the chamber, but in the cage.

Thursday, June 09, 2022, 13:22: BIAS / EE / EZL @ 50 / -2.5 / 20 kV. (One spark during the tap up. In the cage)

Thursday, June 09, 2022, 14:03: Small spark, barely audible.

Thursday, June 09, 2022, 14:11: Large spark in the cage* Computer was shut off. Got it back around 14:16

Thursday, June 09, 2022, 14:20: Reset steering, optics, IG6.

Thursday, June 09, 2022, 14:28: Begin tapping down HV

Thursday, June 09, 2022, 14:34: HV to 0.

Thursday, June 09, 2022, 14:36: Closed IV4. (Reset w/ screwdriver)


Friday, June 10, 2022, 09:58: Auto-Cooling @ 2 A per min.  


Monday, June 13, 2022, 10:16: IG1 off. Turbo pumps off.

Attachment 1: Ta#64_Conditioning_HV..docx  384 kB  Uploaded Wednesday, June 08, 2022, 16:30
Attachment 2: Ta#64_Conditioning_&_HV_test_-_2.docx  1.481 MB  Uploaded Thursday, June 09, 2022, 15:37
Attachment 3: ER-580-230-30kV-M7.txt  3 kB  Uploaded Thursday, June 09, 2022, 15:37  | Show | Show all
Attachment 4: ER-580-230-30kV-M23.txt  3 kB  Uploaded Thursday, June 09, 2022, 15:37  | Show | Show all
Attachment 5: ER-580-230-30kV-M40.txt  3 kB  Uploaded Thursday, June 09, 2022, 15:38  | Show | Show all
Attachment 6: ER-580-230-30kV-M86.txt  3 kB  Uploaded Thursday, June 09, 2022, 15:38  | Show | Show all
Attachment 7: ER-580-230-30kV-M133.txt  3 kB  Uploaded Thursday, June 09, 2022, 15:38  | Show | Show all
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