Silver bolts on TGHT & Coil Lines. Oxide steel bolts on TBHT. Filed target to suit / fit (Previously heated). Rubber O-rings used instead of C-seals on the water blocks.

Saturday, May 25, 2019, 12:38: Leak check ok. 0.0E-07 Torr-I/sec. He @ 30 PSI. Carla checked the multi-pin connection. OK.

Saturday, May 25, 2019, 12:46: Roughing.

Saturday, May 25, 2019, 14:30: Turbo pumps started.

Saturday, May 25, 2019, 14:34: Ion gauge on.

Monday, May 27, 2019, 07:09: RGA on.

He Leak TEST #1:

Vacuum Group Leak detector LD#4.

08:39: Vacuum @ 1.58e-06T

LD Base line before opening valve to turbo pumps: 0.0e-09 atm-cc/sec

08:40: LD baseline after opening valve to turbo pumps: 3.7e-10 atm-cc/sec

Full open base:

Vacuum @ 1.60e-06T. RGA status:

Water: 2.36e-006

He: -1.05e-009

LD:  3.4e-07 atm-cc/sec

Monday, May 27, 2019, 08:50: Open line FS#2 . Pressurize to 30 PSI. Record after 10 minutes

Monday, May 27, 2019, 09:00: Vacuum @ 1.60e-06T . RGA status:

Water: 2.33e-006

He: -4.89e-010

LD: 3.4e-07 atm-cc/sec. Purge and close FS#2.

Monday, May 27, 2019, 09:05: Open line FS#3 . Pressurize to 30 PSI. Record after 10 minutes

Monday, May 27, 2019, 09:15: Vacuum @ 1.58e-06T. RGA status: (Small He Spikes noted)

Water: 2.29e-006

He: -4.19e-009

LD: 3.6e-07 atm-cc/sec. Purge and close FS#3.

Monday, May 27, 2019, 09:26: Open line FS#4 . Pressurize to 30 PSI. Record after 10 minutes

Monday, May 27, 2019, 09:35: Vacuum @ 1.58e-06T. RGA status: (Small He Spikes noted, continued from FS#3)

Water: 2.25e-006

He: -7.36e-009

LD: 4.0e-07 atm-cc/sec. Purge and close FS#4.

Monday, May 27, 2019, 09:45: Open line FS#5 . Pressurize to 30 PSI. Record after 10 minutes

Monday, May 27, 2019, 09:55: Vacuum @ 1.58e-06T. RGA status:

Water: 2.21e-006

He: -3.16e-010

LD:   4.2atm-cc/sec. Purge and close FS#5

Monday, May 27, 2019, 10:00: Depressurize lines. Connect HPA & Purge all lines. 

After 5 minutes: Vacuum @ 1.58e-06T . RGA status:

Water: 2.20e-006

He: -5.73e-010

LD: 4.3e-07 atm-cc/sec

Close Valve & disconnect LD. HE LEAK TEST COMPLETE

Note: He spikes ongoing after opening line FS#3. Likely due to the use of rubber o-rings.

Monday, May 27, 2019, 10:51: Begin gradually opening the waterlines.

Monday, May 27, 2019, 10:54: Open FS#2. Vacuum @ 1.56e-06T. No Response on RGA.

Monday, May 27, 2019, 10:56: Open FS#3. Vacuum @ 1.58e-06T. No Response on RGA.

Monday, May 27, 2019, 11:00: Keiko stopped by. Soft restart done on PLC.

Monday, May 27, 2019, 11:04: Open FS#4. Vacuum @ 1.58e-06T. No Response on RGA.

Monday, May 27, 2019, 11:06: Open FS#5. Vacuum @ 1.58e-06T. No Response on RGA.

Waterlines Ok.

Prep to open gas lines.

Monday, May 27, 2019, 11:24: SV1 open w/ mini pump. Vacuum @ 1.49e-06T. No Response on RGA.

Monday, May 27, 2019, 11:25: Open SV3 & SV4 w/ mini pump. Vacuum @ 1.58e-06T. No Response on RGA. Allow 10 min.

Monday, May 27, 2019, 11:35: Mini pump switched off. SV1 Closed.

Monday, May 27, 2019, 11:37: Begin quickly opening and closing gas lines until the a stable vacuum is reached.

Monday, May 27, 2019, 11:40: Gas lines: SV3, SV4, & SV5 open.

Monday, May 27, 2019, 13:29: Power / Sources on.

Monday, May 27, 2019, 13:30: Auto ramping TGHT / TBHT to 350 / 150 A @ 2A per min. Vac limit increased to 3.000e-06T for out gassing.

Monday, May 27, 2019, 13:44: Open IV4.

Tuesday, May 28, 2019, 07:10: Gradually bring up HV to BIAS / EE / EZL @ 30 / -1.5 / 13.5 kV in increments of 500 / 100 / 250

Tuesday, May 28, 2019, 07:22: Halted and brought back down. BIAS / EE / EZL @ 10 / -0.2  / 8.5 kV. Unusual current noticed on the EE. Only went to -200 V and the current increased to 1300uA. Typically at -1500V the current sits at 515uA.

Tuesday, May 28, 2019, 09:21: 50V added top Anode. EE current increases to 310.134uA. Odd. EE voltage increases affect the Anode current as well.

Tuesday, May 28, 2019, 09:22: Auto-cooling @ 4A per min.

Tuesday, May 28, 2019, 11:15: Power off. Gas lines closed.

Tuesday, May 28, 2019, 11:36: Connection discovered between Anode & EE. (Inside Vacuum). RGA off. IV4 closed.

Tuesday, May 28, 2019, 11:38: IG1 off. Turbos off.

Tuesday, May 28, 2019, 12:40: Venting

Tuesday, May 28, 2019, 15:02:

Short found on EE to Anode. Wires touching inside chamber. Fixed. Tubes touched to coil. No longer touching. Electrical check of source tray complete. Target re-installed.

Roughing.