INSTALLATION
MANUAL
Section 1: MECHANICAL INSTALLATION
3) Raise fixture clear of foundation. Check all four mounting areas are co-planar to within 1/8” (3
mm) to each other, as well as parallel to the water line plane, as shown in Fig 11.
4) Thoroughly clean with alcohol or acetone all areas (highlighted in brown, Fig 9) of girders to be
bonded to remove any contaminates. Use new paper towels for cleaning, not shop rags.
5) Remove all paint and gel-coat from bond surfaces so that adhesive will bond directly to laminate
fibers and resin.
6) Thoroughly sand girder bond surfaces with 80 grit sandpaper. (IMPORTANT – BOND
STRENGTH MAY BE REDUCED IF THIS STEP IS SKIPPED.)
7) Wipe surfaces clean from dust with alcohol or acetone using new paper towels, not shop rags.
8) Re-position installation fixture on girders and double-check that the adhesive gap is within the
adhesive manufacturer’s maximum recommended thickness. (Note gap will be larger due to
absence of gel-coat.) Seakeeper recommends a maximum gap of 3mm if using Plexus MA590.
FIGURE 11 – COPLANAR PROPERTIES OF FOUNDATION
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