1260 Infinity II Flexible Pump User Manual 171
8Maintenance
Replace the Multi-Channel Gradient Valve (MCGV)
3 Remove the cover from the MCGV. 4 Disconnect the MCGV cable (1), unscrew the two
screws (2) and remove the valve (3).
5 Place the new MCGV into position.
Make sure that channel A of the MCGV is put at the
bottom-right position.
6 Tighten the two screws (1) and connect the cable to its
connector (2).
7 Install the MCGV cover.
Next Steps:
8 Install the inlet weaver, see “Replace the Inlet
Weaver” on page 161.
9 Reconnect solvent tubes for channels A-D from the
MCGV to the degasser outlets.
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