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IOO (IMMT)
keiko.kokeyama - 17:58 Wednesday 27 September 2017 (3424) Print this report
IMMT1 aligned with the base plate

[Izumi, Kokeyama]

After Ohishi-san inserted the base plate for IMMT1 with Kimura-san and Sawada-san, we realigned IMMT1 so that the beam goes to the center of the IMMT2.

- Angle
We made an instant lever arm with a screw and allen key to push one corner of the IMMT1 base plate. It worked well to only rotate IMMT1.

- Position
One clean/vacuum dog cramp, fixed with another dog cramp, was used to make a guide for the longitudinal shift of the suspension. We pushed IMMT1 along the guide, again with the instant lever arm, until the beam from IMC hits the center of IMMT1.

(Thanks to Miyoki-san & Uchiyama-san's suggestions)

Note that IMMT1 mirror has been fixed with the earthquake stops. We will have to release them and do the fine alignment to IMMT2 later.

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