The following work was performed on the T1-MK2 target assembly during the September 2016 Mini-shutdown:

Monday Sept 26:
- Target moved from beamline to hot cell (28mSv/hr at 0.5m)
- Position 4 beam spot on entrance and exit windows photographed (attached)
- Target flushed with fresh water, positions 0, 4, and 5 blown out with air, then left overnight with air blowing through position 0 at 10psi supply
 

Tuesday Sept 27:
- Pumped on target water system using lab leak detector:  reached 1.0E-3 Torr and E-8 Torr*L/s range in < 5 mins
- Initial leak check performed: TPP < 1.0E-3 Torr, Base leak rate: Low E-9 range, 3psi helium supply, ~0.5s bursts
- Response up to 3.6E-6 at lower left side delta seal (when facing ladder), up to 4.9E-7 for lower right seal  (note: T1 area at good vacuum level prior to mini-shutdown),  All other positions no response, or response in low E-8 range (assumed drift or insignificant helium leak)
- Plugs at positions 1, 2, and 3 removed.  All threads inspected, brushed with wire brush, rinsed with acetone, and blown dry with compressed air
- New targets installed:  Serial #101 at Position 1, #102 at Position 2, and #103 at Position 3  (Position 1 threads significantly stiffer than others, but no major issue)
- Leak check repeated: similar response from all locations including all beryllium target windows  (concluded suitable for use in beamline)
 

Wednesday Sept 28:
- Profile monitor actuation checked in hot cell:  movement starts at 27psi, fully actuated at 48psi, limit switches functioned properly
- All target ladder micro-switches checked, ok
- Vertical and horizontal target position measurements taken using procedure in Document #50194  (PDF attached)
 

Thursday Sept 29:
- Target returned to beam line and all services connected
- Target info sheet and elevations delivered to Ops, XTPAGE 7L updated
- T1/T2 PLC information updated with new cassette information
 

Friday Sept 30:
- Vacuum pumped on the T1 volume.  Quickly 200mTorr (threshold for T1 Vac OK signal).  Edi reports pump-down slower than usual, will evaluate on Monday.
- T1 package started (no change in BL1A vacuum)
- Profile monitor actuation checked from control room (actuated normally)
- T1 profile monitor and protect monitors checked by Mike Russel and Victor Verzilov:  profile monitor normal, protect monitor signals low but Victor expects it is fine and give ok to cover