OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 17
2-3 MOVING
2-3 MOVING
<Warning about explosion, escape of gas>
This cryocooler (cold head, compressor unit, compressor adsorber, flex lines) contains a high-
pressure (about 1.62 MPa (16.5 kgf/cm
2
G, 235 psig)) helium gas sealed in. Hitting the
equipment with a sharp edge or touching it with a pointed object may cause explosion or escape
of gas. Handle the equipment with extreme care.
<Caution against misoperation>
Do not tilt it by more than 30 degrees when carrying the compressor unit. Tilting it by more than
30 degrees may cause oil sealed in the unit to move, preventing the cryocooler from operating
normally.
COMPRESSOR UNIT
The compressor should not be tilted by more than 30 degrees at any time.
Tilting the Compressor Unit causes damage of Compressor Capsule or oil contamination of the Helium
Gas Line.
COLD HEAD
The Cold Head Cylinder should not be bent or dent. The surface flatness of the Cold Head heat station
is critical to the thermal contact. Damage of the surface will cause performance loss.
WARNING
CAUTION
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