Cleaning The Protective Filter - Swan Analytical Instruments AMI Codes-II TC Operator's Manual

AMI Codes-II TC
Maintenance
6.6.
54

Cleaning the protective Filter

Switch off the instrument according to instructions in
tion for Maintenance, p.
Normally the filter in your sample supply line will retain most debris.
If the filter shows deposits, proceed as follows:
1 Close the main tap of the sample inlet.
2 Close the flow regulating valve [B].
3 Unscrew the filter vessel [E] from the flow cell block [A].
4 Hold the filter [D] on the shaft [C] and unscrew it from the filter
vessel.
5 Backwash the filter under pressure of tap water.
6 Clean the outside of the filter.
7 Install the filter and the filter vessel again.
8 Open the flow regulating valve.
9 Adjust sample flow with the regulating valve.
45.
A Flow cell block
A
B Flow regulating valve
B
C Filter shaft
D Filter
E Filter vessel
C
D
E
Stop of Opera-
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