Revision A June 27, 2011
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6. A method of enclosing Nitrogen gas
1) Exhaust air in the housing case
The closing screw for the air vomit hole under the front panel is taken, and air in the case is
exhausted.
2) Enclosing of Nitrogen gas
a) The Nitrogen gas implantation bulb screw is removed.
b) The chokedamp is enclosed from the Nitrogen gas implantation bulb.
c) Nitrogen is enclosed for five minutes or more on the following conditions, and air in the case is
Conditions: 7.2 psi (pound per square inch), 10L/min
This has aimed to raise the nitrogen gas concentration in the case.
d) The air vomit hole of the front panel will be closed with the screw in five minutes, and pressure in
the case is raised.
e) To keep the internal pressure to be constant when the internal pressure exceeds 7.25 psi,
nitrogen gas that is more extra than the relief valve is exhausted.
f) Finally, the cap of the Nitrogen gas implantation bulb is tightened and the end of work.
Air stopgap screw
M6×10SUS
Nitrogen gas implantation
bulb
Relief bulb
Summary of Contents for KP-D5010-S1
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