Gilson 155 User Manual page 109

Maintenance
4-18
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To replace the inlet tubing:
When replacing the inlet tubing, ensure that its ID
is appropriate for the SFC flow cell. See
for a list of replacement parts. If necessary, refer to
the flow cell diagrams on page
replacing the inlet tubing as described below.
1 Remove the inlet tubing clamp and set it aside.
2 Unscrew the male nut that connects the inlet
tubing to the flow cell.
3 Remove the inlet tubing. To do this, hold the
flow cell assembly in one hand. Grasp the
shorter segment of tubing leading away from
the flow cell assembly. Then gently twist the
tubing to the left to unseat the circular portion
from the groove around the flow cell assembly.
Once the circular portion is free, pull down on
the tubing to remove the segment from inside
the flow cell assembly.
4 If necessary, position the fitting and ferrule on
the flow cell end of the replacement inlet tubing.
The tubing should extend 3 mm beyond the
ferrule. See diagram to left.
5 Insert the inlet tubing into the bottom of the
flow cell assembly. Position the circular segment
of tubing over the flow cell assembly and seat it
into the groove around the assembly.
6 Make sure the inlet tubing is seated in the flow
cell assembly. Then tighten the fitting. The two
parts of the ferrule seat when you tighten the
fitting.
4
Appendix E
4-17 when