DeLonghi DEP909P Installation And Service Instructions Use And Care Instructions page 40

REMOVE THE FIRST MIDDLE GLASS PANE
Lift and remove the first middle pane (C) slightly, as shown in the figure 44.
REMOVE THE SECOND MIDDLE GLASS PANE
Lift and remove the second middle pane (B) slightly, as shown in the figure 45.
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Figure 44
1 1
Figure 45
1 1
2 2
C C
2 2
B B