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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. |
VIS Type B To-Do List - Archived Items
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).