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= VIS Type B To-Do List - Archived Items = ../ToDo |
= VIS Type B BS To-Do List - Archived Items = [[../ToDoBS|BS To Do List]] == 2018-03-12 == * Prepare BS Chamber * --(Remove non-vacuum-compatible ballast from LBB.)-- * --(Check for lost tools.)-- * Wipe down all accessible areas inside tank with Vector Alpha wipes and ethanol. * Help Type Bp Team * --(Add screws to cables at PR2 feedthroughs.)-- == 2017-12-18 == * Re-zero OL. == 2017-12-04 == * Diagonalize OL. == 2017-11-13 == === Main Assembly Sequence === * Realign OL. * Cover OL with foil. * Offload IP P&Y offsets to picos. * Move stuff out of PR2 area. * Tidy/label parts. == 2017-10-16, 2017-10-24 == === Main Assembly Sequence === * Borrow portable hard drive. * Remove sticker residue and permanent marker writing on PI. * Fix broken and unreliable connections on IP LVDTs. * Reconfigure the stepper motor cables for Miyo-kun. * Add IP LVDT gains and offsets to IP_LVDTINF filter blocks. * Install damping filters for IP LVDTs. * Install and debug IP LVDT and geophone diagonalization matrices. * Work with alignment team. * Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed) * Work with Miyo-kun to get user interface for stepper motors. * Calibrate IP FR actuation against IP LVDT sensing. * Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters. * Reroute cable to eliminate need for fifth feedthrough. === Software === * Enter new IP matrices and do safe.snap. * Send stepper driver info to Miyo-kun. * Add support for comments to SUMCON. * Derive matrices for IP FRs. == 2017-10-10 == === Main Assembly Sequence === * Account for second bubble level (might be on BF). * Borrow portable hard drive. * Clean up sticker residue and magic marker writing. * Remove LVDT modules; identify screws. * Check that all in-air cables are labeled. * If possible, reroute cable to eliminate need for fifth feedthrough. * Debug all electronics, especially actuation. * Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3 * Install small KOACH filters on LBB. * Remove First Contact. * Cable optical lever (Simon, Enzo) * Align optical lever (Simon) === Software === * Enter new IP matrices and do safe.snap. * Send stepper driver numbering info to Miyo-kun. * Add support for comments to SUMCON. == 2017-10-02 == === Main Assembly Sequence === * Tidy up and cover things to prepare for SR2 crane slot work. * Replace BS service port covers. * Check for bubble level and other tools in tank. * Remove stickers on IP and clean with ethanol (some were missed last time). * Fix broken pico adapter cable? * Debug all electronics, especially actuation. * Check IP yaw. * Recheck centering of suspension in assembly frame. * Get pico drive screens fixed (Miyo-kun) == 2017-09-25 == === Main Assembly Sequence === * Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings). * Fix #1 geophone adapter cable. * Unlock IP; use jacks and FRs to center. * (Debug issue with tilted IRM!) === LBB Sequence === * Decide final in-vacuum and in-air cable routing. * Unclamp LBB ring sandwich; fully suspend Cu ring. * Unscrew LBB from tank brackets. * Hook LBB. * Remove TBD amount of spacers from between LBB and tank brackets. * Set LBB blade stops to nominal height. * Extend foot screws on LBB to just barely support LBB. * Adjust height of LBB magnet ring to set proper gap (4 mm??). * Retract LBB foot screws. * Add temporary ballast to LBB until LBB blades just barely sink below stops. * Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles. * Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal. * Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal. == 2017-09-19 == (No work Monday 9/18) === Main Assembly Sequence === * Debug BF LVDT actuation. * Check F0 yoke height (top of coil former should be 37.5 mm above bottom of recess in top of baseplate) 36mm. * Test all PI items: * Yaw stepper (tested, not clearly working). * F0 LVDT sensing * F0 LVDT actuation * Calibrate F0 LVDT. * Horizontal LVDT sensing * Horizontal LVDT actuation * Geophones (issues with driver, cables, descramblers) * Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS 2 Measurements: f1=0.443 Hz, f2=0.454 Hz. * Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS 2 Measurements: f1=0.208 Hz, f2=0.210 Hz. * Double check BS pitch with OL. * Adjust SF damper ring to correct gap. * Install lock nuts on F0 GAS FR at TBD positions. * Lock BF and F0 keystones (but ''not'' SF keystone). * Lock RM to BS, IRM to IM and IM to RM. * Lock RM, IRM and BF (but not SF) to security structure. * Lock IP. * Remove F0 keystone top plate (including yaw stepper) and immobilize SF/... in yaw. * Attach lifting fixture. * Remove BF- and SF-level crossbars. * Remove geophones for craning. * Disconnect in-vacuum cables from feedthrough and coil neatly for craning. * Attach lifting plates. === Tank Preparation Sequence === * Attach Cu segments to LBB damper ring. * Pass halves of LBB magnet ring into tank, join, and make sandwich for craning. * Crane tank lid off. * Crane LBB damper rings to top of tank and suspend. * Crane suspension out of assembly frame. * Attach LBB upper rods to LBB blade tips and rotate suspension 45° clockwise. * Crane suspension into tank and connect upper rods to LBB Cu ring. * Fix poorly seated head. * Unlock suspension and readjust. === In parallel, time permitting === * Fix issue with geophone distributor. == 2017-09-11 == === Main Assembly Sequence === * Debug other actuation. * Remove F0-SF rod and reinstall with hex cable clamp. * Route cables up past hex cable clamps. * Adjust SF trim mass for pitch/roll/vertical. * Route all SF/... cables through to the flange and test. * Cable all PI items through to the flange. * Disconnect the SS from the AF. * Recheck/adjust SF/... yaw. * Roughly level the PI so as to make the SS vertical. * Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP. * Test all PI items: * Horizontal steppers * Geophones * Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz === In parallel, time permitting === * Fix links to ADC_MONITOR screens. * Check that all Take/Restore Safe.snap buttons work. * Check that we still have all LBB parts (there was an issue with borrowed lock nuts). * Wipe LLB damper parts with ethanol. * Install LBB Cu damper ring in tank (less Cu for now). * Apply magnets to LBB Magnet rings. * Clean rust from screw holes in LBB magnet ring. == 2017-09-04 == === Main Assembly Sequence === * Crane out SF. * Raise BF cap and retrieve lost hex cable clamp PEEK piece. * Crane in SF. * Install SF-BF rod with hex cable clamp. * Route cables via hex cable clamp up to below SF. * Adjust BF ballast mass for total weight and pitch/roll. * Look for missing screw from SF damper Cu segment in washed screws bag and reinstall. * Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height). * Calibrate SF LVDT. * Install SF main ballast mass. * Cable and test SF fishing rod stepper. * Add SF cap. * Lift and weigh SF/... section. === In parallel === * Rearrange arc weights on PI to allow installation of magic wand. * Install magic wand on PI. * Rearrange magnets on SF damper magnet ring for full three Cu segments. * Find Ni-plated rods for SF damper magnet ring and do fit check. * Find PI-SF rod with 8 mm heads and matching receptacles and do fit check. * Get Cu O-rings for feedthroughs. * Recalibrate remachined LBB springs and choose best three. == 2017-08-28 == === Main Assembly === * Wrap new IM bottom ballast masses (Mozumi). * Install new IM masses. * Set up optical level. * Adjust IM ballast mass to give desired roll/pitch/vertical. * Level BF. * Cable BF LVDT, test and calibrate. * Adjust top of IRM to level. * Install IRM side panels. * Install IRM OSEMs. * Cable IRM OSEMs and test. * Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops. * Add extra ballast mass to BF. * Add BF cap but don't anchor cables. * Cable and test BF cap picos. * Lift BF/IRM/IM/RM/BS and weigh. * Adjust BF ballast if necessary. * Crane in SF. * Remove Kapton tape from PI. ==== Electrical ==== * Remove cling wrap in BF and install vacuum-compatible heat shrink. * Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins). * Rewire PI horizontal steppers with vacuum-compatible cable. == 2017-08-21 == === Main Assembly === * Wrap new IM bottom ballast masses (Mozumi). * Install new IM masses. * Set up optical level. * Adjust IM ballast mass to give desired roll/pitch/vertical. * Level BF. * Cable BF LVDT, test and calibrate. * Adjust top of IRM to level. * Install IRM side panels. * Install IRM OSEMs. * Cable IRM OSEMs and test. * Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops. ==== Electrical ==== * Remove cling wrap in BF and install vacuum-compatible heat shrink. * Adjust yoke on BF to put top of secondary at 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height). ==== Real-time and SUMCON models ==== * Create a proper DAC Monitor MEDM screen. * Improve ADC Monitor MEDM screen. == 2017-08-16 == === Facilities === * Move cardboard box with old BF to storage. * Tidy up Hirata-san's stuff in genkan of cleanbooth. === Electronics === * Return spare two Type5-2.2 cables to Sato-san's store. * Rip out remaining old in-air cabling. * Reinstall LVDT chassis. === Main Assembly === * Remove LBB blade assemblies from PI. * Remove LBB blades from holders. * Remove LBB rings. * Send rings for recleaning. == 2017-08-07 == === Electronics === * Route new (longer) TM OSEM cables. * Recable/test IM-PIT/ROL/YAW picos. * Recable/test BF Stepper. === Main Assembly === * Weigh filter lifting rod plus whatever other items used by Hirata-san in BF load capacity measurement. * Finish adjusting in/out of TM OSEMs. * Hang RM. * Remove endplate of IM, check pico centering. * Weigh/trim IM/RM/TM * Bring in BF. * Install IRM top plate. * Hook IM/RM/BS. == 2017-07-31 == === Facilities === * Re-secure floor panels around tank. * Wipe entire frame; blow dust out of grooves. * Organize new OL for setting BS pitch (Fabian). === Design/Documentation/Planning === * Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san). === Electronics === === Main Assembly === * Remove dummy BS from RM. * Install coil-only OSEMs. * Measure coil resistances of wide-mouth OSEMs, new coil-only OSEMS (for Michimura-san). * Look up log book to find serial numbers of old coil+sensor RM OSEMs. * 2016-09-07: H1 = #22, H2 = #23, H3 = #25, H4 = #26 * Pack RM coil+sensor OSEMs, label them with original serial numbers, and return them to Akutsu-san. * Reassemble top of AF. * Check verticality of AF, height of crossbars, centering of optical table. * Move NB-03 jacks at PI level of AF to top level. * Set height, level of IM support screws. * Install IM. == 2017-07-24 == === Electronics === * Look for LVDT driver box Syyxx3134. * Make sure SR3 boxes have notes on their JGW-S.... document pages. === Main Assembly === * Remove BF-SF cables (note which had gender benders and which had extensions). * Remove SF. * Remove SF SS ring and poles. * Move (or remove) SF AF crossbars. * Remove IRM. * Remove old BF. * Remove RM and dummy BS. * Characterize blades (1,2,3,4,5,6,7). * Rebuild BF. * Check gluing result. * Cleanup optic after failed secondary prism bonds. * Cleanup jigs/prisms after failed secondary prism bonds. * Reglue secondary prisms. == 2017-07-17 == === Facilities === * Get blue underwear for Yoshioka-kun. === Design/Documentation/Planning === * LBB ballast mass. * Do improved mass budget. === Main Assembly === * Try to remove galled pole. * Consult with Takahashi-san. * Get alcohol in squirt bottle. * Try removing pole with alcohol as lubricant. * Inspect, finish setting up filter service area. * Search for wire. * Glue flags/prisms. == 2017-07-10 == === Facilities === == BS Prism/Flag gluing == * Search for prisms (Mark/Enzo). * Clean magnet jigs, prisms (Hirata). * Assemble (with glue) magnet jigs. (Mark) * Glue flags/prisms. === Design/Documentation/Planning === * Order longer threaded rods for arc weights on PI (Hirata-san). * Final ballast mass design for BF and SF. * Do revised drawings (Hirata-san). * Decide final numbers. * Get quote. * Place order. * Final ballast mass for IM. * Final design (Fabian). * Drawings (Hirata-san). * Get quotes (Hirata-san) * Place order (Hirata-san). * Measure total LBB load capacity. === Electronics === * Document LVDT driver rebuild and other changes. === Main Assembly === * Search for wire (Mark/Enzo). * Experiment with rearranging arc weights to accommodate magic wand. * Remove arc weights; load onto LBB; measure total load capacity. * Unload arc weights and store. * Disconnect cables (Mark/Enzo). * Connect tank lid to tank ring (Mark/Enzo). * Dismantle LBB and rings. * Remove screw feet. * Replace blocks. * Reinstall spacers and clamps on LBB damper rings. * Unhook rods supporting LBB intermediate ring. * Crane out suspension. * Crane down rings. * Remove rings. * Send rings for recleaning. * Reinstall AF crossbars and jacks. == 2017-06-26 == === BS Prism/Flag gluing === * Organize transport company for Kashiwa->Kamioka * Collect mirror, mirror box, tools etc from Kashiwa. * Ship mirror to Kamioka via Akabou. * Ship gluing tools to Kamioka via Yu-Pack. * Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san). * Get magnet jigs remade (ATC). === Design/Documentation/Planning === * Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san). === Electronics === * Fix #0 LVDT actuator coil. == 2017-06-26 == == BS Prism/Flag gluing == * Push Hirose-san to set exact date. * Organize NAOJ vehicle for Mitaka->Kashiwa * Collect all items required. * Mirror box. * ''Prisms.'' (not found!) * Stub flags. * Magnets: SmCo, 2 mm diameter, 3 mm long * Prism jigs * Flag jigs * Glue magnets to flags, 2 N, 2 S. * Organize clean suits. * Make a list of people's sizes * Get Mark/Enzo to bring from Kamioka. === Main Assembly === * Adjust pitch/yaw/vertical of dummy optic. * Crane tank lid on. * Start TFs. === Electronics === * Wash extra F-F gender benders. * Fix broken picomotor cable. * Sort out naming convention for PI LVDTs, geophones and horizontal steppers. === LSOL === * Assist Simon with hardware installation of LSOL. * Assist Simon with modifications to realtime model for LSOL. === Real-time and SUMCON models === * Derive and install PI LVDT matrices. * Check LSOL section of k1visbs model. == 2017-06-19 == === Facilities === * Remove cling wrap from stuff. * Plug stuff back in (charging station, KOACH filters, OL etc). * Power up rack. === Main Assembly === * Remove crossbars below BF and SF. * Set SF damper to 4 mm clearance. * Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm). * Adjust jacks to nominal height. * Do up all EQ stops etc (except SF). * Remove geophones (temporarily, for craning). * Crane suspension into tank. * Hook LBB Cu ring. * Hook LBB. * Crane vacuum tank lid+ring back on. * Remove vacuum tank lid (only) and store on pallet. * Add ballast to LBB. * Replace geophones. * Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks. * Unlock IP and adjust to center with jacks. === Electronics === * Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones). * Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring. * Reconnect in-vacuum cabling. * Adjust in-air cabling to match 135° rotation of BS. * Reconnect in-air cables. (all but 4) |
VIS Type B BS To-Do List - Archived Items
2018-03-12
- Prepare BS Chamber
Remove non-vacuum-compatible ballast from LBB.
Check for lost tools.
- Wipe down all accessible areas inside tank with Vector Alpha wipes and ethanol.
- Help Type Bp Team
Add screws to cables at PR2 feedthroughs.
2017-12-18
- Re-zero OL.
2017-12-04
- Diagonalize OL.
2017-11-13
Main Assembly Sequence
- Realign OL.
- Cover OL with foil.
Offload IP P&Y offsets to picos.
- Move stuff out of PR2 area.
- Tidy/label parts.
2017-10-16, 2017-10-24
Main Assembly Sequence
- Borrow portable hard drive.
- Remove sticker residue and permanent marker writing on PI.
- Fix broken and unreliable connections on IP LVDTs.
- Reconfigure the stepper motor cables for Miyo-kun.
- Add IP LVDT gains and offsets to IP_LVDTINF filter blocks.
- Install damping filters for IP LVDTs.
- Install and debug IP LVDT and geophone diagonalization matrices.
- Work with alignment team.
- Work with Mirapro on SR LBB and tank installation (Hirata-san, from Wed)
- Work with Miyo-kun to get user interface for stepper motors.
- Calibrate IP FR actuation against IP LVDT sensing.
- Lower LBB by 17.5 mm; suspend and rebalance after removing table KOACH filters.
- Reroute cable to eliminate need for fifth feedthrough.
Software
- Enter new IP matrices and do safe.snap.
- Send stepper driver info to Miyo-kun.
- Add support for comments to SUMCON.
- Derive matrices for IP FRs.
2017-10-10
Main Assembly Sequence
- Account for second bubble level (might be on BF).
- Borrow portable hard drive.
- Clean up sticker residue and magic marker writing.
- Remove LVDT modules; identify screws.
- Check that all in-air cables are labeled.
- If possible, reroute cable to eliminate need for fifth feedthrough.
- Debug all electronics, especially actuation.
- Calibrate all LVDTs. BF, SF, PI-GAS, PI-H1, PI-H2, PI-H3
- Install small KOACH filters on LBB.
- Remove First Contact.
- Cable optical lever (Simon, Enzo)
- Align optical lever (Simon)
Software
- Enter new IP matrices and do safe.snap.
- Send stepper driver numbering info to Miyo-kun.
- Add support for comments to SUMCON.
2017-10-02
Main Assembly Sequence
- Tidy up and cover things to prepare for SR2 crane slot work.
- Replace BS service port covers.
- Check for bubble level and other tools in tank.
- Remove stickers on IP and clean with ethanol (some were missed last time).
- Fix broken pico adapter cable?
- Debug all electronics, especially actuation.
- Check IP yaw.
- Recheck centering of suspension in assembly frame.
- Get pico drive screens fixed (Miyo-kun)
2017-09-25
Main Assembly Sequence
- Move in-air cabling and feedthroughs and reconnect in-vacuum cables (through Cu O-rings).
- Fix #1 geophone adapter cable.
- Unlock IP; use jacks and FRs to center.
- (Debug issue with tilted IRM!)
LBB Sequence
- Decide final in-vacuum and in-air cable routing.
- Unclamp LBB ring sandwich; fully suspend Cu ring.
- Unscrew LBB from tank brackets.
- Hook LBB.
- Remove TBD amount of spacers from between LBB and tank brackets.
- Set LBB blade stops to nominal height.
- Extend foot screws on LBB to just barely support LBB.
- Adjust height of LBB magnet ring to set proper gap (4 mm??).
- Retract LBB foot screws.
- Add temporary ballast to LBB until LBB blades just barely sink below stops.
- Check distance from LBB to main beam height (or other suitable reference); adjust by screwing receptacles.
- Set foot screws to give ≈5 mm (or TBD) movement range of LBB below nominal.
- Set stop on LBB blades to give ≈3 mm (or TBD, less than Cu-magnet gap) of LBB above nominal.
2017-09-19
(No work Monday 9/18)
Main Assembly Sequence
- Debug BF LVDT actuation.
- Check F0 yoke height (top of coil former should be 37.5 mm above bottom of recess in top of baseplate) 36mm.
- Test all PI items:
- Yaw stepper (tested, not clearly working).
- F0 LVDT sensing
- F0 LVDT actuation
- Calibrate F0 LVDT.
- Horizontal LVDT sensing
- Horizontal LVDT actuation
- Geophones (issues with driver, cables, descramblers)
- Lock the F0 and SF keystones and measure the resonance frequency of the BF GAS 2 Measurements: f1=0.443 Hz, f2=0.454 Hz.
- Lock the SF and BF keystones and measure the resonance frequency of the F0 GAS 2 Measurements: f1=0.208 Hz, f2=0.210 Hz.
- Double check BS pitch with OL.
- Adjust SF damper ring to correct gap.
- Install lock nuts on F0 GAS FR at TBD positions.
Lock BF and F0 keystones (but not SF keystone).
- Lock RM to BS, IRM to IM and IM to RM.
- Lock RM, IRM and BF (but not SF) to security structure.
- Lock IP.
- Remove F0 keystone top plate (including yaw stepper) and immobilize SF/... in yaw.
- Attach lifting fixture.
- Remove BF- and SF-level crossbars.
- Remove geophones for craning.
- Disconnect in-vacuum cables from feedthrough and coil neatly for craning.
- Attach lifting plates.
Tank Preparation Sequence
- Attach Cu segments to LBB damper ring.
- Pass halves of LBB magnet ring into tank, join, and make sandwich for craning.
- Crane tank lid off.
- Crane LBB damper rings to top of tank and suspend.
- Crane suspension out of assembly frame.
- Attach LBB upper rods to LBB blade tips and rotate suspension 45° clockwise.
- Crane suspension into tank and connect upper rods to LBB Cu ring.
- Fix poorly seated head.
- Unlock suspension and readjust.
In parallel, time permitting
- Fix issue with geophone distributor.
2017-09-11
Main Assembly Sequence
- Debug other actuation.
- Remove F0-SF rod and reinstall with hex cable clamp.
- Route cables up past hex cable clamps.
- Adjust SF trim mass for pitch/roll/vertical.
- Route all SF/... cables through to the flange and test.
- Cable all PI items through to the flange.
- Disconnect the SS from the AF.
- Recheck/adjust SF/... yaw.
- Roughly level the PI so as to make the SS vertical.
- Unlock the IP and adjust the level of the PI and the horizontal FRs to center the IP.
- Test all PI items:
- Horizontal steppers
- Geophones
- Lock the F0 and BF keystones and measure the resonance frequency of the SF GAS. 425 mHz
In parallel, time permitting
- Fix links to ADC_MONITOR screens.
- Check that all Take/Restore Safe.snap buttons work.
- Check that we still have all LBB parts (there was an issue with borrowed lock nuts).
- Wipe LLB damper parts with ethanol.
- Install LBB Cu damper ring in tank (less Cu for now).
- Apply magnets to LBB Magnet rings.
- Clean rust from screw holes in LBB magnet ring.
2017-09-04
Main Assembly Sequence
- Crane out SF.
- Raise BF cap and retrieve lost hex cable clamp PEEK piece.
- Crane in SF.
- Install SF-BF rod with hex cable clamp.
- Route cables via hex cable clamp up to below SF.
- Adjust BF ballast mass for total weight and pitch/roll.
- Look for missing screw from SF damper Cu segment in washed screws bag and reinstall.
- Adjust yoke on SF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
- Calibrate SF LVDT.
- Install SF main ballast mass.
- Cable and test SF fishing rod stepper.
- Add SF cap.
- Lift and weigh SF/... section.
In parallel
- Rearrange arc weights on PI to allow installation of magic wand.
- Install magic wand on PI.
- Rearrange magnets on SF damper magnet ring for full three Cu segments.
- Find Ni-plated rods for SF damper magnet ring and do fit check.
- Find PI-SF rod with 8 mm heads and matching receptacles and do fit check.
- Get Cu O-rings for feedthroughs.
- Recalibrate remachined LBB springs and choose best three.
2017-08-28
Main Assembly
- Wrap new IM bottom ballast masses (Mozumi).
- Install new IM masses.
- Set up optical level.
- Adjust IM ballast mass to give desired roll/pitch/vertical.
- Level BF.
- Cable BF LVDT, test and calibrate.
- Adjust top of IRM to level.
- Install IRM side panels.
- Install IRM OSEMs.
- Cable IRM OSEMs and test.
- Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.
- Add extra ballast mass to BF.
- Add BF cap but don't anchor cables.
- Cable and test BF cap picos.
- Lift BF/IRM/IM/RM/BS and weigh.
- Adjust BF ballast if necessary.
- Crane in SF.
- Remove Kapton tape from PI.
Electrical
- Remove cling wrap in BF and install vacuum-compatible heat shrink.
- Remove cling wrap on connections for PI vertical stepper and install vacuum-compatible heat shrink (needs wider diameter heat shrink or smaller pins).
- Rewire PI horizontal steppers with vacuum-compatible cable.
2017-08-21
Main Assembly
- Wrap new IM bottom ballast masses (Mozumi).
- Install new IM masses.
- Set up optical level.
- Adjust IM ballast mass to give desired roll/pitch/vertical.
- Level BF.
- Cable BF LVDT, test and calibrate.
- Adjust top of IRM to level.
- Install IRM side panels.
- Install IRM OSEMs.
- Cable IRM OSEMs and test.
- Adjust IRM and IRM OSEMs to get good alignment of IRM OSEMs and IM-IRM stops.
Electrical
- Remove cling wrap in BF and install vacuum-compatible heat shrink.
- Adjust yoke on BF to put top of secondary at 3.5 mm above top of baseplate (or to give ≈0 counts at nominal height).
Real-time and SUMCON models
- Create a proper DAC Monitor MEDM screen.
- Improve ADC Monitor MEDM screen.
2017-08-16
Facilities
- Move cardboard box with old BF to storage.
- Tidy up Hirata-san's stuff in genkan of cleanbooth.
Electronics
- Return spare two Type5-2.2 cables to Sato-san's store.
- Rip out remaining old in-air cabling.
- Reinstall LVDT chassis.
Main Assembly
- Remove LBB blade assemblies from PI.
- Remove LBB blades from holders.
- Remove LBB rings.
- Send rings for recleaning.
2017-08-07
Electronics
- Route new (longer) TM OSEM cables.
- Recable/test IM-PIT/ROL/YAW picos.
- Recable/test BF Stepper.
Main Assembly
- Weigh filter lifting rod plus whatever other items used by Hirata-san in BF load capacity measurement.
- Finish adjusting in/out of TM OSEMs.
- Hang RM.
- Remove endplate of IM, check pico centering.
- Weigh/trim IM/RM/TM
- Bring in BF.
- Install IRM top plate.
- Hook IM/RM/BS.
2017-07-31
Facilities
- Re-secure floor panels around tank.
- Wipe entire frame; blow dust out of grooves.
- Organize new OL for setting BS pitch (Fabian).
Design/Documentation/Planning
- Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Electronics
Main Assembly
- Remove dummy BS from RM.
- Install coil-only OSEMs.
- Measure coil resistances of wide-mouth OSEMs, new coil-only OSEMS (for Michimura-san).
- Look up log book to find serial numbers of old coil+sensor RM OSEMs.
- 2016-09-07: H1 = #22, H2 = #23, H3 = #25, H4 = #26
- Pack RM coil+sensor OSEMs, label them with original serial numbers, and return them to Akutsu-san.
- Reassemble top of AF.
- Check verticality of AF, height of crossbars, centering of optical table.
- Move NB-03 jacks at PI level of AF to top level.
- Set height, level of IM support screws.
- Install IM.
2017-07-24
Electronics
- Look for LVDT driver box Syyxx3134.
- Make sure SR3 boxes have notes on their JGW-S.... document pages.
Main Assembly
- Remove BF-SF cables (note which had gender benders and which had extensions).
- Remove SF.
- Remove SF SS ring and poles.
- Move (or remove) SF AF crossbars.
- Remove IRM.
- Remove old BF.
- Remove RM and dummy BS.
- Characterize blades (1,2,3,4,5,6,7).
- Rebuild BF.
- Check gluing result.
- Cleanup optic after failed secondary prism bonds.
- Cleanup jigs/prisms after failed secondary prism bonds.
- Reglue secondary prisms.
2017-07-17
Facilities
- Get blue underwear for Yoshioka-kun.
Design/Documentation/Planning
- LBB ballast mass.
- Do improved mass budget.
Main Assembly
- Try to remove galled pole.
- Consult with Takahashi-san.
- Get alcohol in squirt bottle.
- Try removing pole with alcohol as lubricant.
- Inspect, finish setting up filter service area.
- Search for wire.
- Glue flags/prisms.
2017-07-10
Facilities
BS Prism/Flag gluing
- Search for prisms (Mark/Enzo).
- Clean magnet jigs, prisms (Hirata).
- Assemble (with glue) magnet jigs. (Mark)
- Glue flags/prisms.
Design/Documentation/Planning
- Order longer threaded rods for arc weights on PI (Hirata-san).
- Final ballast mass design for BF and SF.
- Do revised drawings (Hirata-san).
- Decide final numbers.
- Get quote.
- Place order.
- Final ballast mass for IM.
- Final design (Fabian).
- Drawings (Hirata-san).
- Get quotes (Hirata-san)
- Place order (Hirata-san).
- Measure total LBB load capacity.
Electronics
- Document LVDT driver rebuild and other changes.
Main Assembly
- Search for wire (Mark/Enzo).
- Experiment with rearranging arc weights to accommodate magic wand.
- Remove arc weights; load onto LBB; measure total load capacity.
- Unload arc weights and store.
- Disconnect cables (Mark/Enzo).
- Connect tank lid to tank ring (Mark/Enzo).
- Dismantle LBB and rings.
- Remove screw feet.
- Replace blocks.
- Reinstall spacers and clamps on LBB damper rings.
- Unhook rods supporting LBB intermediate ring.
- Crane out suspension.
- Crane down rings.
- Remove rings.
- Send rings for recleaning.
- Reinstall AF crossbars and jacks.
2017-06-26
BS Prism/Flag gluing
Organize transport company for Kashiwa->Kamioka
- Collect mirror, mirror box, tools etc from Kashiwa.
- Ship mirror to Kamioka via Akabou.
- Ship gluing tools to Kamioka via Yu-Pack.
- Get 5 mm prisms cut down to 3 mm (ATC, Hirata-san).
- Get magnet jigs remade (ATC).
Design/Documentation/Planning
- Do version of 3D CAD with test-hang arrangement of suspension and LBB damper stuff (Hirata-san).
Electronics
- Fix #0 LVDT actuator coil.
2017-06-26
BS Prism/Flag gluing
- Push Hirose-san to set exact date.
Organize NAOJ vehicle for Mitaka->Kashiwa
- Collect all items required.
- Mirror box.
Prisms. (not found!)
- Stub flags.
Magnets: SmCo, 2 mm diameter, 3 mm long
- Prism jigs
- Flag jigs
- Glue magnets to flags, 2 N, 2 S.
- Organize clean suits.
- Make a list of people's sizes
- Get Mark/Enzo to bring from Kamioka.
Main Assembly
- Adjust pitch/yaw/vertical of dummy optic.
- Crane tank lid on.
- Start TFs.
Electronics
- Wash extra F-F gender benders.
- Fix broken picomotor cable.
- Sort out naming convention for PI LVDTs, geophones and horizontal steppers.
LSOL
- Assist Simon with hardware installation of LSOL.
- Assist Simon with modifications to realtime model for LSOL.
Real-time and SUMCON models
- Derive and install PI LVDT matrices.
- Check LSOL section of k1visbs model.
2017-06-19
Facilities
- Remove cling wrap from stuff.
- Plug stuff back in (charging station, KOACH filters, OL etc).
- Power up rack.
Main Assembly
- Remove crossbars below BF and SF.
- Set SF damper to 4 mm clearance.
- Find wrenches for vacuum tank jacks (41 mm and possibly 75 mm).
- Adjust jacks to nominal height.
- Do up all EQ stops etc (except SF).
- Remove geophones (temporarily, for craning).
- Crane suspension into tank.
- Hook LBB Cu ring.
- Hook LBB.
- Crane vacuum tank lid+ring back on.
- Remove vacuum tank lid (only) and store on pallet.
- Add ballast to LBB.
- Replace geophones.
- Unlock all but IP and check pendulum is centered in security structure. Adjust with jacks.
- Unlock IP and adjust to center with jacks.
Electronics
- Disconnect in-vacuum and in-air cabling from feedthroughs (label in-vacuum ones).
- Remove port covers where feedthroughs will go, move feedthroughs from assembly frame and install on vacuum tank ring.
- Reconnect in-vacuum cabling.
- Adjust in-air cabling to match 135° rotation of BS.
- Reconnect in-air cables. (all but 4)
2017-06-12
Main Assembly
- Check pitch/roll of SF and adjust trim as required.
- Prepare LBB.
- Attach LBB outriggers and rod receptacles.
- Prepare LBB Cu ring.
- Remove from tank, fix incompletely threaded holes, reinstall in tank.
- Lay down spacers to protect magnets (in next step).
- Prepare LBB magnet ring.
- Disassemble.
- Pass pieces into tank.
- Reassemble on top of Cu ring.
- Install LBB damper.
- Bind LBB damper rings together with slings.
- Remove vacuum tank lid and ring.
- Crane rings up to install height, hook LBB magnet ring and support LBB Cu ring by TBD method.
Electronics
- Cable and test PI yaw stepper.
- Cable and test PI vertical stepper.
- Cable and test PI horizontal steppers.
- Cable and test PI horizontal LVDTs.
- Finalize OSEM cable lengths and update D1503600, E1503091 and Sato-san's spreadsheet.
- Recount cables in box and in test hang, and update Sato-san's spreadsheet.
- Cable and test PI vertical LVDT.
- Debug/fix PI vertical LVDTs #0 and #2.
- Debug/fix geophone #1.
2017-05-29
Facilities
Design/Purchasing
- Get more cable ties.
Main Assembly
- Reinstall blades in LBB blade units.
- Do load test on LBB blade units.
Electronics
- Route BF/... cabling up past SF to PI.
- Route SF cabling up to PI.
- Add Type 3 extensions to SF/... cables.
- Move vacuum flanges to positions on assembly frame more convenient for next stage (accessible from second floor, one on each corner of frame).
- Move in-air cabling to match flange positions.
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).