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Entry  Mon Apr 5 09:48:57 2010, Koji, Update, SUS, ITMs placed on the tables in the chambers 
    Reply  Mon Apr 5 11:39:41 2010, steve, Update, SUS, ITM-south installation 
Message ID: 2766     Entry time: Mon Apr 5 09:48:57 2010     Reply to this: 2769
Author: Koji 
Type: Update 
Category: SUS 
Subject: ITMs placed on the tables in the chambers 

Steve and Koji (Friday, Apr 02)

Summary

Intsallation of ITMs are going on. Two new ITMs were placed on the optical table in the vacuum chambers. ITM for the south arm was put at the right place in accordance to the CAD drawing. ITM for the east arm is still at a temporaly place.


Tower placement (10:30-11:30)

- Put the tower on the table at a temporary place such that we can easily work on the OSEMs.

ITM (South arm) (14:00-16:30)

- Put the tower on the table at a temporary place such that we can easily work on the OSEMs.

- Leveled the table approximately.

- Released the EQ stops

- Removed anchors for the OSEM cables as it was too short. The wire distribution will be changed later.

- Put the OSEMs. Adjust the insertion to the middle of the OSEM ranges.

- Clamped the EQ stops again

- Placed the tower to the right place according to the CAD drawing.

- Released the EQ stops again.

- Check the OSEM values. The LL sensor showed small value (~0.5). Needs to be adjusted.

 


ITM (South) damping adjustment

- Found the signs for the facing magnets are reversed.

- Otherwise it damps very well.

 

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