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CRY (Cryo-payload EX)
takafumi.ushiba - 10:21 Tuesday 05 June 2018 (5175) Print this report
Realignment of the ETMX

[Miyamoto, Ushiba]

This post is work of yesterday (4th of June).
Sorry for my late post.

Since the ETMX condition wasn't healthy, we checked the inside of the cryostat.
At that time, we found that one wire between IMR and TMR is very close to the security flame(<1 mm).
So, we move the picomotor on the BF and move the payload to -yaw direction.

After that, we centerred the OpLev and did the health check.
We moved MN, IM, and TM pitch motion and saw the signal of the OpLev.
We could see the signal, so it seems good.

Note:
Type-A tower is also unhealthy.
So, we should check the Type-A tower as well.

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