VIS Type B Near Term To-Do List
Preparation for SR Installation
Every Week
Facilities
- Vacuum and roll floor.
- Wipe ladders.
- Tidy tools, parts.
Get stuff from ../WishList
Coming Weeks 2017-07-24
Facilities
Design/Documentation/Planning
- Organize new OL for setting BS pitch (Fabian).
- Do version of 3D CAD with final-hang arrangement of suspension and LBB damper stuff (Hirata-san).
- Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
- LBB ballast mass.
- Research real payload.
- Do improved mass budget.
Electronics
- Find LVDT driver box Syyxx3134.
- Make sure SR3 boxes have notes on their JGW-S.... document pages.
- Get cables/cards for SR3:
- 5 DSub-37 cables (tent)
- 5 DSub-15M to DSub-9M adapter cables (tent)
- 3 DIO cards (tent)
- 2 DSub-9 FF gender benders (for LVDTs)
- extra ADC card(s)?
- extra DAC card(s)?
- BNC-LEMO adapter (for LVDTs)
- etc
Main Assembly
Remove BF-SF cables (note which had gender benders and which had extensions).
- Remove SF.
- Do BF FR test (if time permits).
- Remove IRM.
- Remove old BF.
- Remove RM and dummy BS.
- Check centering of IM picos.
Characterize blades (1,2,3,4,5,6).
- Rebuild BF.
- Check verticality of AF, height of crossbars, centering of optical table.
Check gluing result.
Cleanup optic after failed secondary prism bonds.
- Cleanup jigs/prisms after failed secondary prism bonds.
- Reglue secondary prisms.
- Remove LBB rings.
- Send rings for recleaning.
Real BS Hang Tasks
Major Tasks
- Get pico drive screens fixed (Miyo-kun)
- Final ballast mass production for BF and SF (Hirata-san). (have quotes)
- Design of receptacles for rods with 8 mm heads.
- Possible rebuild of BF and/or SF
- Set up build/test stand for filters.
- Get filter test weights.
- Find spare BF blade(s).
- Reclean stuff:
- PI (remove Kapton tape etc, etc).
- LLB damper stuff, especially Cu segments.
- Calibrate PI vertical LVDT.
- Set yoke on PI vertical LVDT (if necessary).
- Calibrate PI horizontal LVDTs.
- Unlock BF keystone and try running BF fishing rod to fix sag problem.
Minor Tasks
Mechanical
- Get clean bag laundered.
- Put pointy-tipped screw in RM trolley for BS
- Swap out temporary ballast mass in BF, SF.
- Return/replace borrowed parts:
- Lock washers for LBB dampers
- Temporary ballast mass (dog clamps) in BF.
- Wide-mouth OSEMs from RM to Akutsu-san
- Adjust height of crossbars below BF.
- If possible, fix galled pole in BF level of EQ stop.
- Swap in new F0-SF maraging rod (with 8-mm heads) and new receptacles to match.
- Check inside SF for lost ruler.
- Tighten PI yaw return spring.
- Get Cu O-rings for feedthroughs.
Electrical
- Decide final in-vacuum and in-air cable routing (Enzo).
- Calibrate all LVDTs (Enzo, Mark).
- 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.
- Adjust yoke on BF to put top of secondary at 6 mm above top of baseplate (or to give ≈0 counts at nominal height).
Real-time and SUMCON models
- Create SUMCON models for full BS and major installation milestones.
Create controls design description (cf LIGO-T1100378).
- Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, 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.
- Design and install GAS drift compensation filters.
- Create a proper DAC Monitor MEDM screen.
- Improve ADC Monitor MEDM screen.
SR Prep Tasks
Design/Purchasing
- Do rough mass budget for SR2/SR3/SRM.
- Design SR assembly frame.
- Design final SF ballast masses (Fabian).