Metrohm 909 UV Digester - Manual (Page 18)

3.2 Inserting the UV lamp
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10 ￭￭￭￭￭￭￭￭
909 UV Digester
Proceed as follows to insert the UV lamp:
1 Ensure that the power for the 909 UV Digester has been disconnec-
ted.
2 Remove the sample holder from the wet end if it has already been
inserted.
3 Put on the cotton glove included with the UV lamp.
4 Wipe off any spots on the quartz tube using a clean towel wetted
with pure alcohol.
5 Hold the UV lamp by one of the two flattened ends and guide it
downward into the wet end.
Figure 4 Guiding the UV lamp downward into the wet end
6 Insert the metal contact projecting on the lower end of the UV lamp
into the lower lamp socket and press it down gently.
7 While holding the UV lamp down, click the metal contact projecting
upwards into the upper lamp socket.