The backs of most analog clocks feature two specially designed clock-lock hangers spaced at precise distances, one on the top and the other on the bottom. The clock-lock feature prevents accidental removal if the clock is bumped and it may reduce theft by requiring a particular combination of moves to remove the clock. To avoid the clock-lock feature, use finishing nails with no heads angled at 45 degrees into the wall in place of headed screws.
Verify the installation requirements are met.
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Drill holes for the screw anchors at the spacing listed in the following table. If two screws are being used to secure the clock to the wall using the clock-lock mount, the distance between the screws is precisely the same as the hole spacing specified below.
Use a screwdriver to insert and tighten each screw, leaving the top of the screw head 3/8 in. (0.9 cm) out from the wall.
Apply power to the clock.
Hold the clock with the face down and align the clock-lock hanger with the bottom screw.
Tilt the clock face to vertical and position the clock with the screw heads in the opening of the clock-lock hanger.
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Slide the clock down over the screw heads to latch it into place.