Wayne Vista Series Service page 108

Note: On new style Vista bezels (without phillips head screws shown below)
the ad panel is lowered by simply pulling the ad panel out and down from
the top of the ad panel holder. See also, Figure 2-1 in Section 2.
FIGURE B-2. REMOVING THE BEZEL FROM VISTA DISPENSERS
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Part No. 917543 Rev. A November 1992