Thermo Scientific thermoscientific Vanquish Pumps C, Operating Manual

Page: 174 / 296

7 • Maintenance and Service
Page 174 Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual
Preparations
• Empty the solvent lines (see Emptying the Solvent Lines
( } page 171) ).
Follow these steps
1. Retighten the reservoir cap hand-tight. Verify that the retaining
guide remains in the hole in the reservoir cap. If it does not, press
the retaining guide into the hole to ensure that the tubing is kept in
place in the cap.
2. Remove the solvent line on the pump inlet and on the degasser.
3. Install the new solvent line.
4. To remove any air bubbles from the solvent lines, purge the pump.
7.9.2.3 Solvent Line From Proportioning Valve or Degasser To Pump Head
This section applies to all pumps except the isocratic pump.
When
Damage or blockage of the solvent line
Parts and additional items required
• Solvent line between proportioning valve or degasser and pump
head inlet, as applicable for the pump
• Solvent suitable for purging
Preparations
• To flush out harmful substances, purge the pump with an
appropriate solvent.
Follow these steps
1. Remove the solvent line on the proportioning valve or degasser and
on the pump head inlet.
2. Install the new solvent line.
3. To remove any air bubbles from the solvent lines, purge the pump.