Agilent Technologies Cryogenic User Manual page 9

WA R N I N G
WA R N I N G
WA R N I N G
WA R N I N G
Cryogenic Systems Operation
solenoid. The greater the mass of the object, the more the
magnet attracts the object.
Only nonferromagnetic materials such as plastics, aluminum,
wood, and nonmagnetic stainless steel, should be used in the
area around the magnet. If an object is stuck to the magnet
surface and cannot easily be removed by hand, contact
Agilent service for assistance.
Refer to the manuals supplied with the magnet for the size
of a typical 10- gauss stray field. This gauss level should be
checked after the magnet is installed.
Only qualified maintenance personnel shall remove equipment
covers or make internal adjustments.
Dangerous high voltages that can kill or injure exist inside
the instrument. Before working inside a cabinet, turn off the
main system power or unplug the unit.
Do not substitute parts or modify the instrument.
Any unauthorized modification could injure personnel or
damage equipment and potentially terminate the warranty
agreements or service contract. Written authorization
approved by an Agilent product manager is required to
implement any changes to the hardware of a NMR
spectrometer. Maintain safety features by referring system
service to an Agilent service office.
Do not operate in the presence of flammable gases or fumes.
Operation with flammable gases or fumes present creates the
risk of injury or death from toxic fumes, explosion, or fire.
Leave area immediately in the event of a magnet quench.
If the magnet dewar should quench (sudden appearance of
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Introduction
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