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Troubleshooting
5
Pump P-960
User Manual 18-1172-73 Edition AA
29
5.2.2
Removing air using a purge tubing
If there is plenty of air in the sample inlet tubings or if the sample pump
is dry, use a purge tubing to fill the tubings and the pump.
Procedure for system including sample valve V5
This procedure describes how to first fill the sample inlet tubings and
then the buffer inlet tubing.
To fill the sample inlet tubings in port 1–7:
1
Put the chosen sample inlet tubings from port 1–7 in sample valve
V5 into the sample tubes.
2
Immerse the tubing from port 8 in V5 in a buffer vessel.
3
Set the valve to any of the chosen sample inlet ports 1–7.
Note: The sample inlet tubings should be filled before filling the
buffer tubing connected to port 8.
4
Disconnect the connector fitted to the port that will be used for the
purge tubing (see Table 5-2).
Table 5-2.
Settings for using a purge tubing
5
Connect the purge tubing to the same port.
6
Set the injection valve V1 to LOAD.
7
Draw sample with the syringe until the liquid level has passed
through the sample valve.
System tubing configuration
Injection valve position
Purge tubing connection port
Filling a sample loop
LOAD
Pump P-960, outlet port on the
connection part, i.e. before the
pressure sensor
Direct loading onto a column
LOAD
Injection valve V1, port 3
Loading a Superloop
LOAD
Injection valve V1, port 2
Purge
tubing
18117273aa.book Page 29 Thursday, July 3, 2003 5:13 PM
Содержание AKTA design P-960
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