Testing The Seal Wash System For Leakage - Thermo Scientific thermoscientific Vanquish Pumps C Operating Manual

7 • Maintenance and Service
7.5.1

Testing the Seal Wash System for Leakage

When
Items required
Follow these steps
Page 130
• At regular intervals
• If you performed maintenance on components in the pump head,
for example, after replacing the piston seals
• Syringe (12 mL)
• Seal wash liquid
1. Disconnect the tubing from the seal wash detector.
Figure 32: Seal wash detector
No. Description
1 Seal wash detector
2 Tubing connection port (port labeled in)
2. Insert a syringe into the open end of the tubing.
3. To allow the liquid to travel easily through the seal wash system,
press down the lever of the seal wash pump and hold it in that
position with one hand.
4. Pull out the syringe plunger to draw seal wash liquid into the tubing.
5. When about 10 mL of liquid are present in the syringe, release the
lever of the seal wash pump.
6. Press the lever firmly onto the tubing and press the liquid from the
syringe into the seal wash system.
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