[Takahashi, Sato]

1. Opened the side hatch of cross tube.
2. Opened the top chamber.
3. Fixed the IP.
4. Fixed the BF at 84mm in height.
5. Removed the vertical secondary coils for BF damper.
6. Fixed the wire receptacle in the TF.
7. Pushed down the keystone from -12mm to -19mm in the TF.