Service Pipe Connection/Disconnection Method - Panasonic OCU-CR200VF5 Service Manual

Service Pipe Connection/Disconnection Method

1. Preparation before attachment of the service piping
1) Turn the stem of the high pressure and low pressure service valves (2 places) to open it
toward the back seated position.
(Turn the stem fully counterclockwise)
2) Attach a packing to the service piping (2 places)
Packing
Nut
(Service piping)
Note: 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.
First, turn the nut by hand until the packing needs to be fastened with a tool.
If it is difficult to fasten, loosen it slightly and try to make the nut parallel with the male thread
of the service valve, and then fasten it gradually.
Remove
(Install after work)
Note: Fastening the nut with a tool while the threads are not fully aligned would break
the thread and lead to a gas leak.
Back seated position
Nut and packing
(Included with
the valve)
Service piping (SPK-TU125)
Joint (Swagelok, etc.) (Locally procured)
Nut
(2 places)
Fasten by
hand
5
Joint valve (Locally procured)
Service/Maintenance
components
(Gas cylinder, hose, etc.)
Service piping