Thermo Scientific VF-F20-A Operating Manual page 168

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7 Maintenance and Service
Page 168
5. Remove the flush buffer loop from port 1 to port 4 of fraction
collection valve and remove the flush waste tubing from Y-
connector and fraction collection valve with the Viper knurl.
6. Disconnect the Viper fitting from port 1 of fraction collection valve.
7. Disconnect the Viper fitting from port 4 of fraction collection valve.
8. Then disconnect the Viper fitting from port 5 of fraction collection
valve to remove the flush waste tubing.
Figure 67: Remove flush buffer loop and flush waste tubing
TIP If capillaries are to be reinstalled, protect the open ends of the
capillaries with caps.
9. Connect a new flush buffer loop to port 1 and port 4 of fraction
collection valve, and then install a new flush waste tubing to connect
Y-connector and fraction collection valve port 5.
Integral Fraction Collector FT (VF-F20-A) Operating Manual