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.
Summary of Contents for thermoscientific Vanquish Pumps C
Page 4: ...Contacting Us Page 4 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Page 30: ...2 Safety Page 30 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Page 40: ...3 Device Overview Page 40 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Page 196: ...7 Maintenance and Service Page 196 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Page 214: ...8 Troubleshooting Page 214 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...
Page 290: ...13 Appendix Page 290 Pumps C Pumps F VC Pxx VF Pxx Operating Manual ...