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Mechanical pumps get oil changes every six months.

Varian Pumping Station
Date Name Description
10/2013 CR Disassembled spectrometer tube and cold cathode gauge. Both were cleaned and restored to specification. Both filaments are intact at this time. They are of the thoriated Iridium type. Spectrometer tube was calibrated with a He leak at 10e-6 cc/s and was also retuned to maximize the He signal.
12/2011 Roughing pump replaced
06/2011 JF Changed oil, cleaned glass, flushed with new oil
Edwards Rough Pump - Thermionics Main Chamber

:!: Fill with PFPE oil only.

Date Name Description
06/2013 CR/KM Changed oil
07/2012 RW/CR Changed oil
06/2011 JF/CR Changed oil
Alcatel Rough Pump - Thermionics Load Lock
Date Name Description
06/2013 CR/KM Changed oil, replaced power plug, not Alcatel pump at this time
07/2012 RW/CR Changed oil
01/2012 JF/CR Changed oil
06/2011 JF/CR Changed oil, cleaned inlet filter
Thermal Evaporator
Date Name Description
06/2013 CR/KM Changed roughing pump oil, replaced power plug
07/2012 RW Changed dp oil, cleaned glass and vacuum chamber. Fixed leaks in CM water lines.
07/2012 RW/CR Changed rp oil, cleaned glass
12/2011 JF/CR Changed rp oil, cleaned glass & inlet filter
06/2011 JF Changed rp oil
Seebeck Pumping Station
Date Name Description
06/2011 JF Changed oil
Optical Cryostat
Date Name Description

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