ALTANA LCS III - Manual (Page 85)

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Maintenance
7.3 Filter pad maintenance
To determine when the filter pad needs to be replaced, inspect the
filter pad every 3–6 months (in a relatively dust-free environment,
this interval can be longer).
1. Remove any cuvettes/sample cells and cell adapter from the
cell compartment.
2. Turn the instrument off.
3. Unplug the power cord.
4. Lift the instrument and check the color of the filter pad. Replace
the filter pad if is dark gray or black.
7.3.1 Filter pad replacement
5. Turn the instrument over and place it on a soft surface.
6. Use a screwdriver (standard or cross-head) to open the
filter grid (
Figure 8 , item 1 ).
7. Lift the filter grid ( Figure 8 , item 1 ).