2.3.2 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 6.
Align fixture in desired location and transfer holes from fixture plate to the hull structure using provided transfer punch. Note that holes in fixture plate are ø0.60 in. (15.138 mm).
Remove fixture and drill and tap M14X2.0 Helicoil threaded insert holes in hull structure at marked locations to mate with holes in the Seakeeper foundation. Take special care to drill perpendicular to mounting surface. A drill guide is recommended. Remove any impeding obstructions.

2.3.1 Preparation of Boat Structure

2.3.3 Installation of Seakeeper