Thermo Scientific VF-F20-A Operating Manual page 166

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7 Maintenance and Service
Tools required
Preparations
Page 166
No. Description
1 Flush solvent tubing
(from fraction collection valve
port 7 to flush solvent reservoir)
2 Flush pump to fraction collection
valve capillary
(from flush pump to fraction
collection valve port 8)
3 Flush buffer loop
(from fraction collection valve
port 1 to port 4)
Tubing cutter (optional)
TIP If you have to cut tubing to length, use a tubing cutter. Make sure
that the cut is at right angle to the length of the line.
1. Prepare fresh flush solvent. Observe the guidelines for the flush
solvent. For details, see
2. Empty the flush purge system:
a) Unscrew the cap of the flush solvent reservoir.
b) Together with the cap, remove the flush solvent tubing from the
reservoir.
c) When you remove the flush solvent tubing from the tubing
guides, be careful not to pull on other tubing in the guides.
d) Place the flush solvent tubing in an empty reservoir.
3. In Chromeleon, select the Purge Flush pump button on the ePanel
to empty the flush purge system.
4. Turn off the device with its main power switch.
5. Take one Viper knurled head from other Viper capillaries as a tool
for following actions, e.g. from the delay capillary connecting
detector outlet and fraction collection valve central port. The knurl
needs to be fit with Viper fitting first before tightening or loosening
it.
Integral Fraction Collector FT (VF-F20-A) Operating Manual
No. Description
4 Flush waste tubing
(from fraction collection valve
port 5 to Y-connector)
5 Fraction collection valve
6 Y-connector
Flush Solvent Guidelines ( page 164).