1260 Infinity II Flexible Pump User Manual 163
8Maintenance
Replace the Inlet Valve (G7104C)
Replace the Inlet Valve (G7104C)
When
If Inlet valve is defective.
Tools required p/n Description
Wrench, 14 mm
5067-5688 Torque wrench 1 – 25 Nm with 14 mm wrench
Parts required p/n Description
G4204-60022 Inlet Valve Quaternary Pump/Flexible Pump
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
• Remove the inlet weaver, see “Replace the Inlet Weaver” on page 161
1 With a 14 mm wrench, unscrew the inlet valve and
remove it.
2 Install the new inlet valve and tighten it using a torque
wrench with a 14 mm bit set to approximately 10 Nm.
Next Steps:
3 Insert the inlet weaver, see “Replace the Inlet Weaver” on page 161.
4 Purge and condition the system to remove air.