[Takahashi, (MPC) Itho, Yamada, Shinohara]
We replaced fixing jigs for the corrugate tube. Four brackets were replaced one by one in turn of (1)~(4). The gaps between the top chamber and the box frame were measured near the jacks for the chamber. The jacks have been released. Maximum change was 0.4mm.
| Initial | (1) | (2) | (3) | (4) | |
| A | 6.435 | 6.560 | 6.870 | ||
| B | 1.140 | 1.220 | 1.245 | ||
| C | 2.450 | 2.450 | 2.760 | 2.775 |
