INSTALLATION
MANUAL
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SEAKEEPER 26 / 20HD
90265
7
16 of 21
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 3 mm if using
Plexus MA590.
FIGURE 11
– COPLANAR PROPERTIES OF FOUNDATION
