Thermo Scientific thermoscientific Vanquish Pumps C, Operating Manual

Page: 158 / 296

7 • Maintenance and Service
Page 158 Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual
Figure 53: Pump head seals
No. Description
1 Seal wash bodies
2 Pump head seal, O-ring 32x1.5
3 Pump head seal, O-ring 9x1.5
4. Install the new seals.
Place the seal onto the receiving groove. With your finger on the
seal, follow the groove shape until the seal rests exactly in the
groove.
5. Insert the seal wash bodies into the pump head. Mind the correct
orientation. The even side faces the pump head.
Figure 54: Orientation of the seal wash body
No. Description
1 Side facing the seal wash plate
2 Side facing the pump head (even side)
6. Replace the seal wash seals (see Replacing the Seal Wash Seals
( } page 154) ).
7. Install the pistons. Follow the related steps in Replacing the Pistons
(
}
page 144) .
8. Install the pump head. See Installing the Pump Head ( } page 140) .