7
•
Maintenance and Service
Page 170
Vanquish Pumps (VH-P10-A-02) Operating Manual
7.10
Mixing System
Follow the sequence of steps for the maintenance procedure that you
want to perform:
•
To test the static mixer for permeability, see the next section.
•
To replace the static mixer or capillary mixer, see
section 7.10.2,
page 171
7.10.1
Testing the Static Mixer for Permeability
When
If you observe pressure pulsation, inconstant pressure, or high
backpressure at the column and pump
Additional items required
•
Water as solvent
•
Tissue
Follow these steps
1. Disconnect the capillary on the outlet of the static mixer.
2. To absorb liquid leaving the static mixer, place the tissue on the
mixer outlet.
3. Apply a flow of 2 mL/min using water.
4. Observe the pump pressure.
5. Depends on the pressure reading:
♦
Pressure is less than 0.8 MPa
Continue with the next step.
♦
Pressure is 0.8 MPa or higher
Replace the static mixer.
6. Reconnect the capillary to the outlet of the static mixer.
7. Test the pump for leakage (see
Содержание Vanquish VH-P10-A-02
Страница 1: ...Vanquish Pumps VH P10 A 02 Operating Manual 4820 4411 EN Revision 1 0 October 2017 thermoscientific ...
Страница 4: ...Contacting Us Page 4 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 10: ...Contents Page 10 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 30: ...2 Safety Page 30 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 46: ...4 Unpacking Page 46 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 80: ...5 Installation Page 80 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 232: ...11 Appendix Page 232 Vanquish Pumps VH P10 A 02 Operating Manual ...
Страница 233: ...12 Index Vanquish Pumps VH P10 A 02 Operating Manual Page 233 12 Index ...
Страница 238: ...Thermo Fisher Scientific Inc 168 Third Avenue Waltham Massachusetts 02451 USA www thermofisher com ...