1260 Infinity II Flexible Pump User Manual 173
8Maintenance
Replace the Four-Channel Gradient Valve (4CGV)
5 Place the new 4CGV into position.
Make sure that the THIS SIDE UP label arrow is pointing
upward towards the top of the module.
6 Tighten the two screws (1) and connect the cable to its
connector (2).
7 Install the 4CGV 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
4CGV to the degasser outlets.