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Warning:
local environmental regulations.
4.
Dispose of the waste liquid in accordance with local environmental regulations.
5.
Fit and fully tighten the nitrogen exhaust trap bottle to the cap.
6.
Secure the nitrogen exhaust trap bottle in the upright position.
7.
Close the source enclosure.
Tip:
A leak test runs automatically. If the test results in a failure, ensure that the nitrogen
exhaust trap bottle is fully tightened to the cap.
8.
In the Instrument Console, click Start Flow
4.11 Gas ballasting the roughing pump
The roughing pump draws large quantities of solvent vapors. The vapors tend to condense in the
pump oil, diminishing pumping efficiency. Gas ballasting purges condensed contaminants from the
oil.
See also:
The Sogevac SV40 BI Pump Manual.
Note:
This procedure is not required for an oil-free roughing pump.
Figure 4–3:
Exhaust port flange
Oil filler plug
Oil-level sight glass
Drain plug
To avoid spreading contamination, dispose of the waste liquid in accordance with
Roughing pump
September 7, 2016, 715003560IVD Rev. C
, to start the LC flow.
Gas ballast valve
Page 51
TP02689
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