OPERATION MANUAL Sumitomo Heavy Industries, Ltd.
SRDK Series CRYOCOOLER 30
2-7 CONNECTING FLEX LINES
LEAK CHECK
Check the helium gas leak of all connecting coupling as following procedure after connecting all Flex
Lines.
1） Sprinkle “Liquid Leak Detector” on the Flex line connecting coupling.
2） Keep watching carefully the sprinkled area and no gas leaking will be confirmed without any bubbling.
3） In case the bubbling is found, tighten the connecting coupling again and re-check the leakage. Do
not over tighten the connector.
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