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VIS Type B To-Do List - Archived Items

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2017-05-22

Facilities

Design/Purchasing

• Design, order modifications to LBB blade springs.
• Get more duckboards.

Main Assembly

• Find geophone adapter plates.
• Ultrasonically clean geophone adapter plates and screws.
• Install geophone adapter plates.
• Get more PEEK clamp pieces from Sato-san and install.
• Lift PI and hang LBB damper ring.
• Crane PI back in.
• Install rod, this time with hex cable clamp.
• Re-hook SF/... section.
• Trim SF/... section.
• Install geophones.

Electronics

• Debug and calibrate SF LVDT.
• Debug stepper motors.
• Make two more (in-air) geophone unscrambler cables per E1503600-v13 Sheet 8.

2017-05-15

Facilities

• Get more UHV foil.
• Clear spaces for PR2 bellows work and SR2 ladder installation on 5/15.
• Fix safety bar on -X side of assembly frame (move to other side of pillars and attach more securely).

Main Assembly

• Secure arc weights with M8 nuts.
• Remove PI.
• Unjam PI-SF rod.
• Remove SF cap.
• Remove blades from LBB blade units and send off for rework.
• Install remaining cable clamps on PI.
• Remove one Cu damper segment from SF cap and reconfigure remaining two to be symmetrical.
• Decide pattern of SF damper ring magnets (72 pieces in 2/3 of the original ring).
• Install magnets on SF damper ring.

Electronics

• Make PI vertical/yaw stepper in-air adapter cable per E1503600-v13 Sheet 7.

2017-05-09

Safety

• Install safety bars

Continue PI Prep

• Find, install and wire up PI yaw stepper and bracket.
• Test IP.
• Install LBB blades in blade units.
• Check LBB blade unit alignment (was off by 21 mm due to blades being too long).

Hanging SF/BF/IRM/IM/RM/BS

• Fix centering of SF/... section.

Electronics

• Count used, unused, broken and needed in-vacuum cables and send data to Sato-san.
• Check connections in new geophone adapters (they turned out to be new-style).
• Decide final length for BS OSEM cables.

2017-04-24

Continue PI Prep

• Install LLB blades.
• Install LLB blade units in PI.

Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)

• Crane in PI.
• Connect up SF/... .
• Measure overweight if any.

Electronics (mostly Enzo, Mark)

• Update E1503600 with DIO card for HPCDs, etc, etc.
• Decide final length for BS OSEM cables (Enzo, Mark, Fabian)

Real-time and SUMCON models (mostly Perry, Mark)

• Understand/document/debug Kokeyama-san's DIO stuff.
• Measure LPCD and HPCD output filter response.
• Design and install software compensation filters for LPCD and HPCD output filters.

2017-04-17

SF/BF/...

• Trim BF to correct pitch/roll.
• Install temporary ballast mass in SF.
• Lift SF/BF/... and check SF pitch/roll balance and overall weight.

Continue PI Prep

• Finish reattaching repaired LVDT coil(s) and redoing connectors with correct gender.
• Install fishing rod.
• Enlarge ring of crane adapter.
• Find table, weights, etc for use with LBB blade bending jigs.
• Set up LBB blade tensioning jig.

Hanging BF/IRM/IM/RM/BS (mostly Mark, Fabian, Perry)

• Test SF fishing rod stepper.
• Debug TM-H4.

Electronics (mostly Enzo, Mark)

• Work with Miyo-kun to get pico drivers added to BS rack and screens
• Update E1503600 with DIO card for HPCDs, etc, etc.
• Decide final length for BS OSEM cables (Enzo, Mark, Fabian)
• Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)

2017-04-03

PI Move

• General prep
  • Decide if air shower needs to be moved.
  • Triple-check dimensions around second-floor parking spot for PI; decide best place for pallet.
  • Check for obstacles along path around -X side of cleanbooth.
  • Find/clean Saito-sensei's PI lifting adapter and any needed fasteners.
  • Check both crane remote controls (clean and dirty) are charged.
• Prepare PI for moving.
  • Remove accelerometers and store safely.
  • Remove large weights. (How? With forklift at last minute? Where to?)
  • Remove arc weights (move some to second floor, wrap rest for storage).
  • Attach lifting plates.
  • Wrap with clingwrap, cover with spare cleanbag.
  • Remove old cabling from PI to rack.
• Prepare second floor for receiving PI.
  • Clean and clingwrap pallet.
  • Find metal plates and/or duckboards for on top of pallets.
  • Move BS cables on -Y side of tank off top of beam.
  • Find shims (about 75 mm high) to put on beam where cables were, to help support pallet.
• Clear path to remove PI with forklift.
  • Move any obstacles identified previously.
  • Shutdown BS/PR2 racks and move electrical cables.
  • Move any stored items on -Y side of portable cleanroom.
  • Move portable cleanroom towards -Y.
  • Move worktables from next to BS/PR2 racks.
• Move PI
  • Disconnect fan cables, curtain (Miyoki-san).
  • Unzip ceiling panel.
  • Crane pallet into cleanbooth.
  • Lay foil on pallet.
  • Forklift PI to -X,+Y corner of cleanbooth
  • Crane PI into clean booth.
• Cleanup
  • Zip up ceiling panel.
  • Reconnect fan cables, curtain (Miyoki-san).
  • Replace tables near BS/PR2 racks
  • Move portable cleanroom back to original spot.
  • Re-lay electrical cables.
  • Power up racks.

Electronics (mostly Enzo, Mark)

• Make more anti-feedthrough adapters.

Real-time and SUMCON models (mostly Perry, Mark)

• Reroute in-vacuum cables up to SF level; add in-vacuum extension cables if necessary.
• Get Perry (and Enzo) set up with SUMCON.
• Update SUMCON model of full BS.
• Do cut-down SUMCON model of just payload hanging from fixed BS.
• Compare measured TFs to cut-down model(s).