Thursday, December 06, 2018, 11:02: Turbo pumps (TP6 & TP2) off on beamline side. IG6 off.
Thursday, December 06, 2018, 14:06: Turbo pumps restarted. FC0 bellows replacement to occur Monday.
Monday, December 10, 2018, 11:00: Vented on beam side of IV4. Turbo pumps & backing valves closed preemptively on chamber side due to shared airlines.
Pulled FC0, disassemble, check, clean, remove / install bellows, Re-align, assemble.
Monday, December 10, 2018, 12:52: Re-installed repaired FC0. Roughing beam side. Chamber side turbos back on.
Monday, December 10, 2018, 13:48: Turbo pumps on.
Monday, December 10, 2018, 13:51: Ion gauge on. IG6 @ 5.73e-06T and still dropping.
Tuesday, December 11, 2018, 09:26: IG6 Vacuum @ 3.56e-07T. Connected cables.
Tuesday, December 11, 2018, 09:27: Drive out FC0. Vacuum @ 3.75e-07T. Ok. Setup LD & drive FC0 back in.
Tuesday, December 11, 2018, 09:32: LD baseline before opening valve to beam line turbo & RP pumps: below 0.0e-09 T-l/sec
Tuesday, December 11, 2018, 09:36: Full open base, FC0 in:
Vacuum @ 3.56e-07T.
LD: 0.0e-09 atm-cc/sec
Spray w/ He:
No change.
Tuesday, December 11, 2018, 09:42: FC0 out:
Vacuum @ 3.60e-07T.
LD: 0.0e-09 atm-cc/sec.
Spray w/ He:
No Change. Sprayed all flanges and seals all around FC0 and it's connection to the beam line. OK.
Tuesday, December 11, 2018, 09:46: Closed FC0 & line to the turbo & RP pumps. LD off.
FC0 Bellows replacement a success.
More pictures uploaded to Docushare.
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