Bio-Tek FL600 Hardware Manual page 28

Step 4: Remove the covers on both filter wheels.
V
Excitation Filter
Wheel Cover
V
Bio-Tek FL600
Figure 3-2: Removing the cover screws
Locate the two filter assemblies at the rear of the reader,
adjacent to the printed circuit board (Figure 3-3).
Figure 3-3: Filter wheel locations
Remove the filter wheel covers by pulling up on the heads
of the plastic snap catches. (Figure 3-4)
Emission Filter
Wheel Cover
3-3