Metrohm 883 Basic IC plus - Injection Valve Maintenance

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4 Operation and maintenance
883 Basic IC plus
￭￭￭￭￭￭￭￭
77
CAUTION
The suppressor has to be regenerated (see chapter 4.10.3.2, page 78),
cleaned (see chapter 4.10.3.3, page 80) or replaced (see chapter
4.10.3.4, page 82) if the capacity of the suppressor is reduced or if the
backpressure is high.
4.10.2 Taking care of the suppressor housing
CAUTION
The transparent suppressor housing can become fogged.
The suppressor housing is made of PMMA (poly(methyl methacrylate)).
It can become scratched and foggy if cleaned improperly. This can make
viewing the rotor difficult or impossible.
￭ Do not use any scouring agents for cleaning.
￭ Do not use any solvents for cleaning.
4.10.3 Servicing the suppressor
4.10.3.1
Parts of the suppressor
Figure 25 Parts of the suppressor
1
Union nut
2
Connecting piece (6.2835.010)
3
Rotor
4
Adapter (6.2842.020)
5
Suppressor drive
6
Slot in the housing