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Message ID: 710     Entry time: Friday, March 01, 2019, 14:51
Author: Aaron Schmidt 
Target/No.#:  
Source: LP-FEBIAD 
Station:  
Module:  
Target Oven W.O#:  
Heat Shield W.O#:  
Status:  
Subject: Gas lines test & Emissions measurement prep 

Friday, March 01, 2019, 14:50:

SV5 replaced with a new valve.

SV1 disconnected from the He line and linked to the mini pump line.


Tuesday, March 05, 2019, 08:05: Roughing.

Tuesday, March 05, 2019, 08:36: Turbo pumps on.

Tuesday, March 05, 2019, 10:03: Vacuum at 1.30e-05T

Open SV3 & SV4. Vacuum remains unchanged. No response on the RGA.

Tuesday, March 05, 2019, 10:05: SV1 opened & closed. Responds well.

Tuesday, March 05, 2019, 10:06: Mini-pump on. MP manual valve closed.

Tuesday, March 05, 2019, 10:17: MP manual valve opened. No response on RGA. Vacuum stable / going down @ 1.13e-05T.

Tuesday, March 05, 2019, 10:25: SV1 open. No response on RGA. Vacuum stable / going down @ 1.02e-05T.

Tuesday, March 05, 2019, 10:35: SV1, SV3, SV4 closed. SV5 opened / closed. Minor response on RGA & Vacuum.

Tuesday, March 05, 2019, 10:40: SV5 opened fully to pump down.

Tuesday, March 05, 2019, 10:42: SV3 & SV4 opened fully to pump down.

Tuesday, March 05, 2019, 12:56: SV5 closed.

Tuesday, March 05, 2019, 12:57: SV3 & SV4 closed.

Tuesday, March 05, 2019, 12:59: SV1 to mini pump opened.

Tuesday, March 05, 2019, 13:06: SV3 & SV4 opened.

Tuesday, March 05, 2019, 13:27: SV1 closed. SV5 opened / closed in 'quick bursts'

Tuesday, March 05, 2019, 13:31: SV5 fully opened.

Tuesday, March 05, 2019, 13:43: Mini pump off.


Wednesday, March 06, 2019, 07:56: Mini-pump on. TS locked up. Power on. Gas lines open.

Wednesday, March 06, 2019, 07:59: RGA reset.

Wednesday, March 06, 2019, 08:00: Sources & optics on.

Wednesday, March 06, 2019, 08:02: Auto-ramping TGHT / TBHT to 100 / 75 A @ 2A per min. 

Wednesday, March 06, 2019, 08:07: BIAS / EZL / EE @ 10 / 5 / 0.5 kV - Low settings stable.

Wednesday, March 06, 2019, 08:19: IV4 opened.

Wednesday, March 06, 2019, 11:05: SV3 closed.

Wednesday, March 06, 2019, 11:10: SV4 & SV5 closed.

Wednesday, March 06, 2019, 11:11: SV5 re-opened.

Wednesday, March 06, 2019, 11:15: SV5 closed.

Wednesday, March 06, 2019, 11:16: SV1 to mini pump (running) opened.

Wednesday, March 06, 2019, 11:22: Sv3 & SV4 opened. No response on vacuum or RGA. SV5 good.

Wednesday, March 06, 2019, 11:30: Closed SV1, SV3, & SV4. open / close SV5 until stable.

Wednesday, March 06, 2019, 11:33: SV3 & SV4 opened.

Wednesday, March 06, 2019, 11:36: SV5 fully opened. No trip.

Wednesday, March 06, 2019, 11:40: Auto-ramping TGHT / TBHT to 350 / 250 A @ 2A per min.


Thursday, March 07, 2019, 07:23: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2A per min.

Thursday, March 07, 2019, 07:28: BIAS / EZL / EE @ 30 / 13 / 1.5 kV. Anode 200 V

Thursday, March 07, 2019, 07:38: Something in the BIAS went horribly wrong. The Test Stand was crackling like a fire cracker. Very loud.

BIAS / EZL / EE / Anode off. Begin auto cooling.

Optics tripped. TMS:TP6 tripped

Attachment 1: gas-lines-changes.jpg  139 kB  Uploaded Wednesday, March 06, 2019, 13:08  | Hide | Hide all
gas-lines-changes.jpg
Attachment 2: Gas_line_backing_pump_test_2019.docx  2.633 MB  Uploaded Wednesday, March 20, 2019, 09:31
Attachment 3: TS-2019-03-05-09-45.rga  700 kB  Uploaded Wednesday, March 20, 2019, 09:31
Attachment 4: TS-2019-03-06-08-00.rga  136 kB  Uploaded Wednesday, March 20, 2019, 09:31
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