3.3 Fitting the accessories
838 Advanced Sample Processor
, Installation
27
3.3.11 Connection of the ultrafiltration cell
60
PEEK pressure screw (6.2744.010)
56
Pump tubing (6.1826.070)
61
Pump tubing (6.1826.030)
62
PEEK coupling (6.2744.030)
63
PTFE capillary (6.1803.050)
64
PVDF pressure screw (6.2744.000)
65
PTFE capillary (6.1803.060)
66
PTFE capillary (6.1803.080)
67
PEEK capillary (6.1831.060)
29
Upper section of the filtration cell
31
Lower section of the filtration cell
Figure 23 Connecting the
ultrafiltration cell
Use only the specified
6.2744.000 PVDF pressure screws
to con-
nect to the ultrafiltration cell. If the 6.2744.010 PEEK pressure screws
are used, this may result in stress cracking on the ultrafiltration cell!
1 Pump tubing - filtration cell connection
•
Fit a PEEK pressure screw
60
to one end of the PTFE capillary
65
.
•
Screw a coupling
62
onto this pressure screw.
•
Fit a PVDF pressure screw
64
onto the other end of the PTFE capil-
lary.
•
Fit this end of the PTFE capillary with the PVDF pressure screw to
the inlet opening
35
on the underside of the ultrafiltration cell (see
Figure 9).
•
Fit the coupling
62
onto the outlet end of the pump tubing
56
(see
Figure 10
).
2 Filtration cell - waste tubing connection
•
Fit a PVDF pressure screw
64
to one end of the PTFE capillary
66
.
•
Fit this end of the PTFE capillary with the PVDF pressure screw to the
outlet opening
36
on the underside of the ultrafiltration cell (see Fig-
61
63
62
64
65
66
60
67
56
64
29
31
60
62
56
