Thermo Scientific Vanquish VH-P10-A-02, Operating Manual

Page: 128 / 238

7 • Maintenance and Service
Page 128 Vanquish Pumps (VH-P10-A-02) Operating Manual
7.5 Seal Wash System
Follow the sequence of steps for the maintenance procedure that you
want to perform:
•
To test the seal wash system for leakage, see section 7.5.1 .
• To replace the seal wash lines, see section 7.5.2, page 129 .
•
To replace the seal wash detector (drop detector), see section 7.5.3,
page 132 .
TIP To replace the seal wash seal, which are part of the pump head, see
section 7.7.7, page 153 .
7.5.1 Testing the Seal Wash System for Leakage
When
•
At regular intervals
•
If you performed maintenance on components in the pump head,
for example, after replacing the piston seals
Items required
Syringe (12 mL)
Follow these steps
1. Disconnect the tubing from the seal wash detector.
Figure 36: Seal wash detector
No. Description
1 Seal wash detector
2 Tubing connection port
(port labeled
in )