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Message ID: 769     Entry time: Friday, November 01, 2019, 16:01
Author: Fernando Maldonado 
Target/No.#:  
Source: LP-SIS 
Station:  
Module:  
Target Oven W.O#: 41790-9 
Heat Shield W.O#: 43515-9  
Status: In progress 
Subject: Peek seal tests on UCx#30 HS 

Friday, November 01, 2019, 15:47: A symbiotic  peek seal assembly  was installed on the manipulator grip to verify the temperature at high voltage and high current.

Friday, November 01, 2019, 15:48: Three  thermocouples added for temperature readings.

Friday, November 01, 2019, 15:47: Roughing

Friday, November 01, 2019, 16:19: Turbos on.

Friday, November 01, 2019, 16:27: IG1 on.

Friday, November 01, 2019, 16:29: RGA on.


AS

Monday, November 04, 2019, 07:41: Waterlines opened. No response on RGA. Vacuum ok @ 3.97e-07T.

Monday, November 04, 2019, 07:44: Power / sources on.

Monday, November 04, 2019, 07:47: Auto-ramping TGHT to 300 A @ 2 A per min.

Monday, November 04, 2019, 10:57: Auto-ramping TGHT to 400 A @ 2 A per min.

FM

Monday, November 04, 2019, 12:11: Auto-ramping TGHT to 500 A @ 2 A per min.

Monday, November 04, 2019, 13:35: Auto-ramping TGHT to 600 A @ 2 A per min.

Monday, November 04, 2019, 14:48: Bias/EE/EZL @ 30/1.5/13 kV.

Monday, November 04, 2019, 15:03: Bias/EE/EZL @ 40/2.0/17 kV.

Monday, November 04, 2019, 15:04: Sparks observed after reaching 40 kV. TMS:TP6 down. Back down to 32 kV.

Monday, November 04, 2019, 15:04:  Bias to 40 kV. One spark only. Seems stable now.

Sparks occurred sparsely. Max time without a spark was 26 minutes.

Monday, November 04, 2019, 16:09: Bias/EE/EZL @ 30/1.5/13 kV.

Monday, November 04, 2019, 16:16: RGA restart.


AS

Tuesday, November 05, 2019, 08:30: RGA Restarted.

Tuesday, November 05, 2019, 08:32: Begin bringing up HV to 35 kV on BIAS.

Tuesday, November 05, 2019, 08:35: BIAS / EE / EZL @ 35 / 1.8 / 15 kV.

Tuesday, November 05, 2019, 08:55: No sparks after 20 minutes. Move up to 40 kV.

Tuesday, November 05, 2019, 08:59: BIAS / EE / EZL @ 40 / 2.0 / 20 kV.

Tuesday, November 05, 2019, 09:34: Audible Spark*. Restart TSG: CB1, VCB1, CBCx2. Reset & restart turbo pump. TMS:TP6. Appears on EZl cur.

Tuesday, November 05, 2019, 09:37: RGA off. Leave it off.

Tuesday, November 05, 2019, 09:38: Audible Spark* but not loud at all. Restart TSG: CB1, VCB1, CBCx2. Reset & restart turbo pump. TMS:TP6.

Tuesday, November 05, 2019, 10:00: BIAS / EE / EZL @ 35 / 1.8 / 17.5 kV.

Tuesday, November 05, 2019, 10:06: BIAS / EE / EZL @ 0 / 0 / 0 kV.

Tuesday, November 05, 2019, 10:07: Auto-cooling TGHT to 500 A @ 4 A per min.


Wednesday, November 13, 2019, 07:29: Turbo pumps & ion gauge off. RGA was already off.


Friday, November 15, 2019, 08:43: Venting.

 

 

Attachment 1: UC#30-plus-peak-seal.docx  3.768 MB  Uploaded Thursday, December 19, 2019, 11:28
Attachment 2: TS-2019-11-01-16-22.rga  2.172 MB  Uploaded Thursday, December 19, 2019, 11:28
Attachment 3: TS-2019-11-04-16-12.rga  338 kB  Uploaded Thursday, December 19, 2019, 11:28
Attachment 4: TS-2019-11-05-08-30.rga  50 kB  Uploaded Thursday, December 19, 2019, 11:28
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