Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual page 206

UltiMate 3000 Series:
NCS-3500RS and NCP-3200RS
5. Remove the tool from the pump head. The piston seal and the support ring remain in
the pump head.
6. Insert the rear seal wash body (pump head bushing). Mind the correct orientation
(→ Fig. 74). The even side faces the pump head; the opposite side faces the plate of
the rear seal wash system.
This side faces
the pump head.
7. If required, place the plate of the rear seal wash system onto the pump head as shown
in the picture. The channels in the plate are facing you.
8. Install the pistons and pump head (→ page 190).
9. After replacing the piston seals, observe the recommendations on page 200.
10. Update the service information in Chromeleon (→ page 132).
Page 198
Fig. 73: Seal installed in the pump head
Fig. 74: Orientation of the rear seal wash body
Fig. 75: Plate of the rear seal wash system installed
This side faces the plate of
the rear seal wash system.
Operating Instructions