Differences between revisions 33 and 34
Revision 33 as of 2018-01-18 19:03:20
Size: 3017
Editor: MarkBarton
Revision 34 as of 2018-01-18 19:04:39
Size: 3043
Editor: MarkBarton
Deletions are marked like this. Additions are marked like this.
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 * Debug keystone issue.
 * Adjust IM/RM/SR total mass and pitch/roll balance.
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 * Adjust IM/RM/SR total mass and pitch/roll balance.

VIS Type B SR Near Term To-Do List

Archived To-Do Items

Every Week

Coming Weeks

Preparation for SR Installation

Every Week


  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.
  • Get stuff from ../WishList


  • Set up SR2 rack
    • Get more 1-m power cables and connect up remaining boxes. (No orange ones left - used yellow temporarily.)

    • Run LAN and power cables for stepper drivers.
  • Cable RM OSEMs to rack.

  • Setup QPD and cable to rack.

  • Fix links to OPLEVINF filter screen from chain screen.

  • Initialize gains and matrix elements for SR2 OL.

  • Wash parts for flying saucers.

  • Test nuts for flying saucers.
  • Order more nuts for flying saucers.
  • Add DRIVEALIGN button to overview screen.
  • Check sizes and in-stock numbers of screws for geophones.

    • 20 x M8*35 (need 3*16=48)
    • 35 x M8*30 (need 3*8=24)
    • 4 x Viton disks (need 4)
    • 123 M8 washers (need 3*24=72)
  • Do TFs from RM OSEMS to OL pitch/roll.

  • Make IM OSEMs.

  • Install load gauge adapter.

  • Lift IM/RM/SR with LGA, check/adjust total mass and pitch/yaw balance.

  • Crane in BF.

  • Install BF-IRM rods and top plate of IRM.

  • Install BF-IM rod with flying saucer.

  • Hook IM.

  • Route cables via flying saucer up to under BF.


  • Debug keystone issue.
  • Adjust IM/RM/SR total mass and pitch/roll balance.
  • Test IM picos.
  • Prepare SR3 area for PI test.
  • Check BF yaw pico.


  • Install IRM.
  • Adjust IM OSEMs.
  • Cable IM OSEMs.
  • Do TFs from IM OSEMs to IM OSEMs, OL pitch/yaw.
  • Install pre-calculated BF trim mass.
  • Lift
  • Find in-vac cables:
    • 1 x Type 3-2m
    • 5 x Type 1-2m
  • Review Shoda-san's Guardian.
  • Decide if we're really going to renumber IP channels.
  • Review DIO stuff.
  • Review SR2 model (especially screens, macro text file).
  • Review DAC channel requests.

SR Prep Tasks - To Be Scheduled

  • Replace temporary yellow DC power cables in SR2 rack with orange ones.
  • Find out (from Takahashi-san) specifications for geophone pod items:
    • Screws for pod (cap-neck and neck-body).
    • Cu O-rings for pod (two sizes).

    • Viton O-ring for under geophone.
    • Screws for immobilizing geophone (M4?).
    • Screws for geophone to interface plate.
    • Screws for interface plate to PI.
  • Find or order geophone items.
  • Get geophone circuit boards from Okutomi-san.
  • Find fourth feedthrough
  • Hassle Miyo-kun for stepper drivers.
  • Finish mass budget for SR2/SR3/SRM (Fabian) - mostly done.
  • Design final SF ballast masses (Fabian).
  • Get safety bars moved.
  • Get air hose connection moved.
  • Install SR2 booth thermometer and edit macro.txt file.

KAGRA/Subgroups/VIS/TypeB/ToDoSR (last edited 2019-01-04 15:25:56 by MarkBarton)