1260 Infinity II Flexible Pump User Manual 161
8Maintenance
Replace the Inlet Weaver
Replace the Inlet Weaver
Parts required p/n Description
G4204-81090 Quaternary Pump/Flexible Pump Inlet Weaver Assembly
G7131-60090 Inlet Weaver Assembly Bio-Compatible
Preparations
• Switch off pump at the main power switch
• Open the doors
• Use an optional solvent shutoff valve or lift up solvent filters inside solvent bottles for avoiding
leakages
• For easy access to the inlet weaver assembly, remove tubing connections between MCGV and
degasser
1 Open the screw at the bottom of the inlet valve. 2 Open the fitting at the center of the multi-channel
gradient valve (MCGV). Remove the inlet weaver from
the MCGV.
3 Pull the Inlet Weaver out of the Inlet Valve. 4 Insert the new inlet weaver to the inlet valve. Fix the
weaver with the plastic screw.