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Message ID: 980     Entry time: Monday, September 25, 2023, 16:31
Author: Aaron Schmidt 
Target/No.#: Ta#66 
Source: LP-SIS 
Station: ITW 
Module: TM2 
Target Oven W.O#: 45220-5 
Heat Shield W.O#: 45235-9 
Status: Done 
Subject: Conditioning Ta#66 & HV Tests. 

Thermocouples installed on the left end plate x 2.

Monday, September 25, 2023, 16:23: Roughing.

Monday, September 25, 2023, 16:51: TP1B on.

Monday, September 25, 2023, 16:56: Waterline FS#5 open. Vacuum ok.

Monday, September 25, 2023, 16:58: Power on. TP1A on.


Tuesday, September 26, 2023, 09:44: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per minute. 

Tuesday, September 26, 2023, 16:11: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per minute. 

Tuesday, September 26, 2023, 16:12: IV4 opened. 

Tuesday, September 26, 2023, 16:45: Optics on/set. BIAS / EE / EZL @ 1 / -0.5 / 1 kV. TC @ 47 / 51 C

Tuesday, September 26, 2023, 21:00: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Spark @ 28 kV.

Tuesday, September 26, 2023, 21:41: Mass & wire scans taken. Masses from 110 to 160? Curious. 


Wednesday, September 27, 2023, 08:24: TC @ 71 / 79 C. 

Wednesday, September 27, 2023, 11:57: BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Wednesday, September 27, 2023, 12:06: BIAS / EE / EZL @ 40 / -2.0 / 17 kV. Spark right after.

Wednesday, September 27, 2023, 12:23: Recovered computer & epics controls from previous spark.

Wednesday, September 27, 2023, 12:36: BIAS / EE / EZL @ 45 / -2.3 / 19 kV. Spark @ 44.5 kV.

Wednesday, September 27, 2023, 13:17: Large spark *

Wednesday, September 27, 2023, 13:21: Closed IV4. Reset TSG:TP1B. TMS:TP6 Spinning up? Did not reset right away. Reset optics. Epics & Firefox on the TS computer are down. 

Wednesday, September 27, 2023, 13:26: BIAS / EE / EZL @ 40 / -2.0 / 17 kV. Plus 1 spark while tapping the HV down. TMS:TP6 has recovered.

Wednesday, September 27, 2023, 14:01: HV to 0 kV. TS computer is disconnected from the network but epics is still running. 

Wednesday, September 27, 2023, 14:05: TC @ 69.8 / 81 C


Thursday, September 28, 2023, 09:23: TS computer is running again. Continue HV  tests.

Thursday, September 28, 2023, 09:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, September 28, 2023, 09:47: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, September 28, 2023, 10:43: No sparks thus far.

Thursday, September 28, 2023, 10:46: BIAS / EE / EZL @ 45 / -2.3 / 19 kV.

Thursday, September 28, 2023, 10:50: Gauge for FEBIAD gases is "buzzing".

Thursday, September 28, 2023, 10:52: BIAS / EE / EZL @ 47.5 / -2.5 / 20 kV.

Thursday, September 28, 2023, 11:35: No sparks occurred. BIAS / EE / EZL @ 0 kV.

Thursday, September 28, 2023, 11:41: PS off. IV4 closed. 

Thursday, September 28, 2023, 11:42: IG1 off. Turbo pumps off.

Thursday, September 28, 2023, 12:35: Venting.

 

Attachment 1: Ta#66_HV_Test_1.docx  454 kB  Uploaded Thursday, September 28, 2023, 10:48
Attachment 2: Ta#66_HV_test_2.docx  200 kB  Uploaded Thursday, September 28, 2023, 12:37
Attachment 3: Ta#66_Conditioning.docx  1.380 MB  Uploaded Thursday, September 28, 2023, 13:54
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