1. Remove any plastic covers from the connector locations on the back of the compressor, the
cryostat, the system control unit, and the vacuum control unit.
Helium Hoses:
Helium hoses should first be tightened by hand. Use a crescent wrench to continue to tighten the
fitting, stopping as soon as force is required. Do not overtighten.
2. Locate the helium hose labeled SUPPLY. Connect one end to the SUPPLY location on the back of
the compressor. Connect the other end to the SUPPLY location on the back panel of the
cryostat.
3. Locate the helium hose labeled RETURN. Connect one end to the RETURN location on the back of
the compressor. Connect the other end to the RETURN location on the back panel of the
cryostat.