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40m Log |
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Tue Jan 15 10:52:38 2019, gautam, Update, SUS, EY door opened
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Tue Jan 15 15:49:47 2019, gautam, Update, SUS, EY door opened
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Sat Jan 19 15:33:18 2019, gautam, Update, SUS, ETMY OSEMs faulty 
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Tue Jan 22 20:36:53 2019, gautam, Update, SUS, ETMY OSEMs faulty
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Wed Jan 23 12:39:18 2019, gautam, Update, SUS, EY chamber work 6x
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Wed Jan 23 23:12:44 2019, gautam, Update, SUS, Prep for FC cleaning
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Thu Jan 24 15:32:31 2019, gautam, Update, SUS, Y arm cavity side first contact applied 
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Tue Jan 29 22:12:40 2019, gautam, Update, SUS, Alignment prep
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Wed Jan 30 11:54:24 2019, gautam, Update, SUS, More alignment prep 
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Wed Jan 30 19:25:40 2019, gautam, Update, SUS, Xarm cavity alignment 
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Fri Feb 1 01:24:06 2019, gautam, Update, SUS, Almost ready for pumpdown tomorrow
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Fri Feb 1 13:16:50 2019, gautam, Update, SUS, Pumpdown 83 underway
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Fri Feb 1 21:52:57 2019, gautam, Update, SUS, Pumpdown 83 underway
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Fri Feb 1 14:44:14 2019, gautam, Update, SUS, Y arm FC cleaning and reinstall  
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Wed Jan 16 16:25:25 2019, gautam, Update, SUS, Yarm locked
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Fri Jan 18 21:34:18 2019, gautam, Update, SUS, Unused optic on EY table
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Sat Jan 19 05:07:45 2019, Koji, Update, SUS, Unused optic on EY table
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Message ID: 14415
Entry time: Wed Jan 23 23:12:44 2019
In reply to: 14413
Reply to this: 14416
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Author: |
gautam |
Type: |
Update |
Category: |
SUS |
Subject: |
Prep for FC cleaning |
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In preparation for the FC cleaning, I did the following:
- Set up mini-cleanroom at EY - this consists of the mobile HEPA unit put up against the chamber door, with films draped around the setup.
- After double-checking the table leveling, I EQ-stopped ETMY and moved it to the NE corner of the EY table, where it will be cleaned.
- Checked leveling of IY table - see Attachment #1.
- Took pictures of IY table, OSEM arrangement on ITMY.
- EQ-stopped ITMY and SRM.
- Removed the face OSEMs from ITMY (this required clipping off the copper wire used to hold the OSEM wires against the suspension cage). The side OSEM has not yet been removed because I left the allen key that is compatible with that particular screw inside the EY chamber.
- To position ITMY at the edge of the IY table where we can easily clean it, we will need to move the OSEM cabling tower as we did last time. I've taken photos of its current position for now.
Tomorrow, I will start with the cleaning of ETMY HR. While the FC is drying, I will position ITMY at the edge of the IY cable for cleaning (Chub will setup the mini-cleanroom at the IY table). The plan is to clean both HR surfaces and have the optics back in place by tomorrow evening. By my count, we have done everything listed in the IY and EY chambers. I'd like to minimize the time between cleaning and pumpdown, so if all goes well (Sat Box problems notwithstanding), we will check the table leveling on Friday morning, and put on the heavy doors and at least rough the main volume down to 1 torr on Friday. |
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