Replacing The Inline Filter Or Capillary Mixer - Thermo Scientific Vanquish VH-P10 Operating Manual

7 • Maintenance and Service
7.8.2

Replacing the Inline Filter or Capillary Mixer

When
Parts and additional items required
Preparations
Follow these steps
Page 160
• Impaired filter permeability
•
Damage of inline filter or capillary mixer, which connects the purge
unit to the inline filter
•
As applicable
♦
Inline filter (static filter)
♦
Capillary mixer (volume: 25 µL), connecting the purge unit to
filter inlet
•
Solvent suitable for purging
1. To flush out harmful substances, purge the pump with an
appropriate solvent.
2. To remove harmful substances from the components in the flow
path after the purge unit, have the pump deliver for a short time
with the solvent that was used for purging.
3. Turn off the pump flow and wait until the system pressure is down
to zero.
1. Unplug the cable of the seal wash detector from the DROP DET port.
2. Unplug the cable of the right pump head from the P-WORK port if
applicable.
3. As applicable, disconnect the capillary mixer on the filter inlet or
remove the capillary mixer on the filter inlet and on the purge unit.
4. On the filter outlet, disconnect the capillary that connects the inline
filter to the autosampler injection valve.
5. Pull the inline filter out of the mounting bracket.
6. Insert the new inline filter into the mounting bracket. Mind the
direction of flow through the filter (indicated by the arrow on the
filter).
Vanquish Pumps (VH-P10) Operating Manual