Thermo Scientific thermoscientific Vanquish Pumps C, Руководство по эксплуатации

Страница: 140 / 296

7 • Maintenance and Service
Page 140 Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual
5. On the pump head, disconnect the following tubing and capillaries:
¨
On the pump head inlet, disconnect the tubing.
¨
Remove the seal wash lines from the tubing connectors on the
pump head. Do not remove the tubing connectors.
6. Binary pump: Unplug the cable of the pressure sensor from the P-
WORK connector.
7. Loosen the pump head screw with the hexagon wrench.
8. Hold the pump head with one hand, remove the pump head screw,
and then remove the pump head by pulling it toward you.
9. It may happen that the seal wash plate remains in the pump when
you remove the pump head. Follow these steps:
a) Insert the spacing tool between the pump head and pump block.
b) Carefully pull the seal wash plate away from the pump block.
Figure 38: Removing the seal wash plate
7.6.2.2
Installing the Pump Head
Preparations
1. Remove the pump head. See Removing the Pump Head
( } page 139) .
2. Before you begin, note the information for reinstalling pump heads
and installing new pump heads (replacement pump heads).
Reinstallation of pump heads (binary pump or dual pump only): Be sure
not to interchange the pump heads.
• Binary pump: To identify the correct installation position, note the
labeling on the pressure sensor cable ( L for the left pump head or R
for the right pump head).