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Size: 4001
Comment:
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Size: 4158
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 39: | Line 39: |
| * https://klog.icrr.u-tokyo.ac.jp/osl/?r=28937 | |
| Line 52: | Line 53: |
| * In basic, No. Relocation was done. https://klog.icrr.u-tokyo.ac.jp/osl/?r=28931 | * In basic, No. Relocation was done. https://klog.icrr.u-tokyo.ac.jp/osl/?r=28931 -> Inside of beam duct between PSL and iMC looks shining. |
| Line 56: | Line 57: |
| * No dust inside, especially on the bottom? * Leak point was fastened tightly? |
* No dust inside, especially on the bottom? -> A.I. before closing. * Leak point was fastened tightly? -> A.I. before closing. |
IMC recovery(20240322)
- Suspensions(R.Takahashi)
- Mechanical Motion
- Smooth pico motion and its default position
MCi/o: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28907 -> A.I. upload picth pico pictues (R.Takahashi), or taking picture for picth pico.
MCe: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28909 -> A.I. upload picth, yaw pico pictues (R.Takahashi), or taking picture for picth, yaw pico.
Gaps between magnets and coils -> MCo uppper is the minimum, but this is the best effort.
Gaps between EQ stoppers and mirrors -> confirmed less than 1mm.
- Smooth pico motion and its default position
- Electrical wirings
Coil resistances and inductances -> inductances shoulg refer the past data if coil did not change, or it will be measured again (Wasimi, 3/24(Monday morning)
MCo: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28668 -> MCo H4 looks high, it could be disconnection. It should be measured again (Wasimi, 3/24(Monday morning).
MCi/e: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28696 -> One of the MCi resistance is low, but low may has no problem. If it is high, it may have some disconnection.
Isolation of Wiring from coils to flanges(pico and mag-coil) -> MCi could not be accessed.
MCo: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28911 -> improved
MCe: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28910 -> improved
POM: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28914 -> this does not matter for the suspension.
- Fixing on tables is tight and reliable?
- Smooth Mag-coil motion and balance and TFs
- balance can be adjusted after closing?
MCe: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28940 -> Peak of pitch shifted to higher frequency from result of Feb.2. Needs remote centering for the Oplev first (Ushiba).
- Mechanical Motion
- Mirror conditions(Y.Aso)
- Clean around the center?
- MCe has a spot near the center. But its influence is expected to be small.
Inspection: https://klog.icrr.u-tokyo.ac.jp/osl/?r=28856
- Clean around the center?
- Alignment(T.Akutsu, T.Ushiba, T.Yokozawa)
- TEM00 flashing
- The IMC trans beam is the same as before?
- Beam positions on each mirror
- They should be the same because the IMC trans was recovered in MCio?
- How about on MCe? MCE tra QPD can be the reference.
- QPD path and centering
- Gaps between magnets and coils again
- IP1/2 dynamic range check for the IMC injection?
- Beam paths for IMC REFL.
- Beam dump(T.Akutsu)
- Beam shield reinstallation
- Beam dumps were additionally added?
In basic, No. Relocation was done. https://klog.icrr.u-tokyo.ac.jp/osl/?r=28931 -> Inside of beam duct between PSL and iMC looks shining.
- Vacuum, etc (N.Kimura, T.Uchiyama, S.Miyoki)
- Cleaning
No dust inside, especially on the bottom? -> A.I. before closing.
Leak point was fastened tightly? -> A.I. before closing.
- It will be done when the bellows are attached by Mirapro.
MCE trans flange rotation (the past activity is in https://klog.icrr.u-tokyo.ac.jp/osl/?r=28326)
Lift-up tool check for bellows installation. (past accident https://klog.icrr.u-tokyo.ac.jp/osl/?r=28344)
- Flange surface check to avoid leaking especially on GV_mcf
- FFU stop for the MCE/MCREFL optical table and reconstruction of the window shield (MCE, MCF?).
- Cleaning
one of templates for IMC closing by Akutsu-kun in 2021.
??? Recovery(202404??)
??? Recovery(202404??)