2/17/2016 Recycler -Gattuso Recycler Shut Down Status  Flying Wire Status  Wire Vacuum Certified  Tunnel Bake Prep status Disconnection of BPM, Correctors, ect -Done Check bake out circuits -Done Waiting on MI-62 Lambertson Bake to be completed  Damper Kickers  Kickers Vacuum Certified (final scan this morning)  Tunnel Bake Prep status Bake setup is complete -Done Stands are installed -Done At the stage of cutting into the beam pipe and welding on new flanges  R32 line Vacuum Burst Investigation  Replaced Ion pump connector on several ion pumps  Prepping the area for a leak checking

2/17/2016 Recycler -Gattuso

Ecool Studies Period  Almost doubled the maximum beam current that can be recirculated  New ‘world record’ 1.8 A, 4.34 MV –7.8 MW of DC beam  HV stability being a problem on its own (even at low current), limit to stable operation is not established  Max current appears to be limited by the amount of losses to the tubes  No indications that the collector is the limitation  Shut Down Work  Starts next Tuesday June 16 th (4-5 weeks)

2/17/2016 Recycler -Gattuso Ecool work list  New SF6 Skid  Repair of the following Vacuum Componets  IPA03  TPS S05  Replacement of shaft Bearings  Repair Collector Current read back  Repair Pulser switch  Upgrade Fault protection system  Misc Maintenance