Transfer of Holes to Boat Structure

Lower assembled fixture onto hull structure.
The four areas where the feet of the Seakeeper will rest should be coplanar to within .06 in. (1.5 mm). See figure below.
Align fixture in desired location and transfer holes from fixture plate to the hull structure. Note that holes in fixture plate are ø0.55 in. (14 mm).
Remove fixture and drill and tap M14X2.0 holes in hull structure at marked locations to mate with holes in Seakeeper foundation. Take special care to drill perpendicular to mounting surface. Remove any impeding obstructions.

Check and Preparation of Hull Structure

Installation of Seakeeper