Service Pipe Connection/Disconnection Method
1. Preparation for attachment of the service piping
1) To front seat service valves, turn the stem of the high pressure and low pressure service
valves clockwise as far as possible.
Notes: 1.
Use a new packing.
2.
Check that there is no adhering foreign objects.
2. Service piping attachment
1) Remove the nut and packing included with the service valve (2 places).
2) Assemble the service piping.
▪ Turn the nut by hand until the packing needs to be fastened with a tool.
▪ If it is difficult to fasten, slightly loosen the nut and gradually try to align it in parallel with the
male thread of the service valve.
Note
：
Fastening the nut with a tool while the threads are not fully aligned would break the
thread and lead to a gas leak.
Access port is closed
Packing
Nut
(Service piping)
Nut (2 places)
CO
2
charging hose or 1/4
”
pipe
Connected to the CO
2
manifold gauge set
Front seated positon
Turn the stem fully clockwise
2) Attach a packing to the service piping (2 places).
Service piping (SPK-TU125)
Joint (High pressure joint: Swagelok, etc.)
Locally procured
Joint valve
(High pressure valve: Swagelok, etc.)
Locally procured
Nut and packing
(Included with
the valve)
Fasten by
hand
5
Service piping
Remove
(Install after work)
Summary of Contents for OCU-CR1000VF8A
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