Thermo Scientific thermoscientific Vanquish Pumps C, Operating Manual

Page: 149 / 296

7 • Maintenance and Service
Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual Page 149
4. Remove the piston seal.
With the removal pin, push the seal-handling tool into the pump
head as far as it goes in and remove the tool. The piston seal is
removed together with the tool. Once the seal has been removed, it
cannot be reused.
5. Required if you reinstall the support ring
Clean the support ring from the inside and outside, using
isopropanol, a cleaning swab, and a lint-free tissue.
6. Pipette a few drops of isopropanol into cavity in the pump head, on
the edge on which the piston seal will rest.
Figure 44: Pump head (left: no piston seal installed, right: piston seal
installed)
No. Description
1 Edge on which the piston seal will rest
2 Piston seal installed
7. Slide the support ring onto the insertion pin of the seal-handling
tool.
8. Slide the piston seal onto the insertion pin, with the open side of the
seal facing away from the tool.
Figure 45: Support ring and piston seal on insertion pin