Servicing The Eluent Degasser; Notes On Operating The High-Pressure Pump - Metrohm 930 Compact IC Flex ChS/Deg Manual

5.5 Servicing the eluent degasser

5.5 Servicing the eluent degasser
Accessories
5.6

Notes on operating the high-pressure pump

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The pieces of connection tubing are connected to the eluent degasser
with clamping screws.
Proceed as follows if you have to loosen and reconnect the connection
tubing at the eluent degasser:
For this step, you need the following accessories:
You can find these parts in the accessory kit: Vario/Flex Basic (6.5000.000)
Wrench (6.2621.050)
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Loosening the connecting tubing
1 Loosen the clamping screws with the wrench.
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Unscrew the clamping screws by hand and pull them out of the
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connector.
Connecting the connecting tubing
1 Insert the clamping screws on the connector and screw them in
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by hand.
Tighten the clamping screws with the wrench.
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CAUTION
The pump head is filled ex works with methanol/ultrapure water. Ensure
that the eluent used is miscible with this solvent.
Keep the following recommendations in mind in order to protect the high-
pressure pump from damage as much as possible during operation:
To protect the high-pressure pump from foreign particles, we recom-
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mend filtering the eluent through a filter with a pore size of 0.45 µm
and aspirating it via an aspiration filter (6.2821.090).
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930 Compact IC Flex ChS/Deg (2.930.1260)