Liquistation CSF48 Maintenance
Endress+Hauser 227
Clean the wetted parts as follows:
1. Release the sample supply at the tube connection (item 3).
2. Connect a container containing clear water to the tube connection.
3. Remove the bottles from the sample compartment.
4. Rinse the wetted parts with clear water by taking a manual sample or by performing a pump
test (under Menu/Diagnostics/Systemtest/Reset/Peristaltic pump -> Pump purge/Pump
suction).
5. Release the couplings to the left and right of the pressure sensor (item 2). Clean the tube
piece carefully with a bottle brush and rinse it with clear water.
6. Reconnect the sample supply to the tube connection and put the bottles back in the sample
compartment.
Interior of peristaltic pump
Danger of injury due to rotating parts
‣ Do not open the cover of the peristaltic pump while the pump is operating.
‣ Secure the sampler against unintentional start-up whilst you work on the opened hose
pump.
1. Take the sampler out of service by pausing a program that is currently running.
2. Open the peristaltic pump as described in the "Replacing the pump tube" section.
3. Remove the pump tube.
4. Remove any silicone deposits on the roller and the flexible pump bracket.
5. Make sure the roller turns smoothly and evenly.
Version with sampling assembly
Refer to Operating Instructions BA00499C for information on cleaning the sampling assembly.
a0014029
Fig. 103: Interior view of the peristaltic pump
1
2
3
Pump rotor
Roller
Pump tubing
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