ThermoFisher Scientific Vanquish VC-D50, Operating Manual

Page: 70 / 188

5 • Installation
Page 70 Fluorescence Detectors (VC-D50, VC-D51, VF-D50, VF-D51)
Operating Manual
Figure 22: Viper fitting with knurl
No. Description
1 Knurl
2 Capillary
3 Slot
1. Insert the Viper capillary into the connection port.
2. Tighten the connection by the knurl.
TIP Note the slot in the knurl. For narrow connections, you can easily
remove the knurls from neighboring capillaries through this slot and
attach them again later.
3. Check whether the connection leaks. If leakage exists, follow the
steps further down.
Resolving Leakage of Viper Fittings with Knurls
1. Tighten the connection a little more.
2. If leakage continues, remove the capillary.
3. Clean the capillary ends carefully by using a lint-free tissue wetted
with isopropanol.
4. Reinstall the capillary.
5. If the connection continues to leak, install a new Viper capillary.