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Message ID: 174     Entry time: Wednesday, January 14, 2015, 13:46
Author: Anders Mjos 
Target Material: Empty 
Target Oven W.O#:  
Source:  
Status: Maintenance 
Subject: Pumping down for water leak test 

 Wednesday, January 14, 2015, 13:46: Roughing

Wednesday, January 14, 2015, 14:57: Starting turbo


Monday, January 19, 2015, 13

Water opened up to one circuit at at time. No response on the vacuum could be seen.

IGP1 at 1.7E-7 T

IGP2 at 3E-8 T


Tuesday, January 20, 2015, 13:11: Stopped turbo and roughing pump.


Wednesday, January 21, 2015, 15:46: Venting

Rick and Anders found CG1A to be reading too high a value. A borrowed gauge from the vacuum group confirmed this. A new gauge will be installed


Thursday, January 22, 2015, 14:06: Roughing

Thursday, January 22, 2015, 14:18: Venting

The reading is consistent between CG1A and CG1B, which simplifies pump down.

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