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1. Use a piece of tape to mark the drill bit depth of
190 mm (7-1/2 in.) from the tip of the 1/2 in. masonry drill bit.
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2. Place the drill bushing inside each adjuster, to keep
the hole vertical and centered within the adjuster.
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3. Drill all eight anchor holes perpendicular to the
floor until the mark on the drill bit is even with the top of the
drill bushing.
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4. While one person drills, a second person should vacuum
the cement dust. Pause several times to clear debris from the hole
and surrounding area.
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5. Check the depth of all holes by inserting an anchor
backward into the hole. There should be 20 mm (1/2 in.) or less showing.
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