7
•
Maintenance and Service
Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual
Page 177
7.10 Replacing the Purge Valve Knob
When
•
Leakage is observed around the valve knob when the valve is open.
•
Leakage is observed on the purge outlet when the valve is closed.
Parts required
Purge valve knob (with integrated seals)
Figure 59: Purge valve knob with integrated seals
No.
Description
1
Purge valve knob
2
Ring seal
3
Cap seal
NOTICE
Avoid holding the new valve knob by the seal end. Scratches on the seals
will prevent a proper seal and cause leakage.
Additional items required
•
Solvent suitable for purging to flush out harmful substances
•
Cleaning swab
•
Solvent suitable for your application
Preparations
1. To flush out harmful substances, purge the pump with an
appropriate solvent.
2. Turn off the pump flow and wait until the system pressure is down
to zero.
Содержание thermoscientific Vanquish Pumps C
Страница 4: ...Contacting Us Page 4 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 30: ...2 Safety Page 30 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 40: ...3 Device Overview Page 40 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 196: ...7 Maintenance and Service Page 196 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 214: ...8 Troubleshooting Page 214 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 284: ...12 Accessories Consumables and Replacement Parts Page 284 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 290: ...13 Appendix Page 290 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Страница 296: ...Thermo Fisher Scientific Inc 168 Third Avenue Waltham Massachusetts 02451 USA www thermofisher com ...