148 1290 Infinity Quaternary Pump User Manual
9 Maintenance
Replacing the Multi-Channel Gradient Valve (MCGV)
7
Tighten the two screws (1, 2) and connect the cable to its
connector (3).
8 Install the MCGV cover.
9 Reconnect the waste funnel with the waste tube holder
in the top cover. Insert waste tube in the holder in the
leak pan and clip tube to the MCGV cover.
Next Steps:
10 Install the inlet weaver, see “Replacing the Inlet
Weaver” on page 134.
11 Reconnect solvent tubes for channels A-D from the
MCGV to the degasser outlets.
Waste tube
holder
Waste
funnel
Clips