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Message ID: 32     Entry time: Monday, February 04, 2013, 16:04
Author: Keith C Ng 
Category: Primary Beamlines 
Type: Repair 
Subject: 1A triplet repair (ground fault) 

Restored 1A triplet shielding and removed RH shielding.

 

1. Moved severed asymmetric steering cable on Q14 so as not to touch the coils underneath and the cover plate above it.

- Job done through RH bridge through floor tile and 6' tongs.

- Cable end pictured in center of photo toward left of magnet.

- Replaced cover plate, checked for water leaks, none found.

20130204_tripletrepair_IMG_0129.JPG20130204_tripletrepair_IMG_0130.JPG

 

2. Restored Q14 shield block.

- J. McKinnon performed power test on triplet (Q14, 15, 16). Tested okay.

 

3. Restored triplet shielding. See photos.

- 1st layer restored.

20130204_tripletrepair_IMG_0132.JPG

 

- 2nd layer restored.

20130204_tripletrepair_IMG_0134.JPG

 

- Photo of temporary bunker for triplet shielding. Bunker was located East of T2.

20130204_tripletrepair_IMG_0133.JPG

 

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