M
AINTENANCE AND
T
ROUBLESHOOTING
ProStar 340 UV/Vis Detector
25
large hole) and fluid bore (the small hole) are not covered.
Remove the cell gasket with a pair of fine forceps.
7. Repeat steps 3 through 6 above for the other side of the cell.
8. If the inlet or outlet tubes are clogged, remove them as
follows:
•
Remove the exit tubing (7) by unscrewing its fitting (2)
and pulling the tube straight forward.
•
Unscrew the heat exchanger restraint screw (5) and
remove the screw and washer (4).
•
Unwind the inlet tubing (1) from around the cell body
(I6).
•
Remove the inlet tubing (1) by unscrewing its fitting and
pulling the tube straight out.
•
Remove the remaining heat conductive epoxy out of the
heat exchanger groove which circumscribes the cell
body.
The flow cell body may be cleaned by soaking it in spectroscopic
grade methanol. For best results, an ultrasonic bath should be
used.
Flow Cell Reassembly
NOTE:
For best results, the flow cell gaskets should be replaced each time the
cell is disassembled.
Refer to Figure 10 in the following procedure:
1. With a pair of fine forceps, replace the cell gasket (8) in its
proper orientation so that both the optical bore (large hole)
and fluid bore (small hole) are exposed by the tear drop.
2. Carefully replace the cell window (9).
3. Install the retaining washer (10) so that its concave surface
faces away from the cell body.
Summary of Contents for ProStar 340
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