6. Operating the Working Station (SPS 800 Manual and SPS Compact)
Page 6–8 Operating Manual MB-SPS 800 Manual and SPS Compact
©
GmbH – Version 4.3 – 06/2010
6.4.3 Removing of Solvent Remains in the Piping (Manual SPS only)
CAUTION
Risk of damage and injury!
► Remove solvent remains from the feeding piping of the filling port.
Otherwise solvents may contaminate the vacuum system during the
following sampling.
The next steps will ensure, that solvent remaining in the feed piping is removed. At the following
sampling, an infiltration of the vacuum system with remaining solvents is avoided.
1
(V 3)
(V 4)
For pressure compensation:
► Preselect N2 with the upper valve (V 3)
► Position slowly the lower valve (V 4) to VACUUM / N2.
2
► Position the lower valve (V 4) to CLOSED.
► Close the cock of the flask and
► remove the flask from the filling station.
3
After removing the flask,
► put a beaker under the filling cock
► position the lower valve (V 4) to Vacuum / N2
→ The solvent remains will be blowed off the feeding piping.
► Purge approx. 1 minute with inert gas.
4
► CLOSE both valves (V 3 + V 4).
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