[C320-list] Lewmar side port Seal install
Pat Moriarty
patm at psiurethanes.com
Fri Apr 18 06:34:28 PDT 2008
Have you rebed the hatch yet?
At 08:11 AM 4/18/2008, you wrote:
>I already tried the easy fix by replacing the O rings so now I will
>try the hatch seals
>with some of the tips here. Did the new seals appear to be much
>larger, making it harder
>to close the hatch ?
>
>Joe
>#574
>
>On Thu, Apr 17, 2008 at 6:45 PM, Chris J.Manges
><cjmanges at earthlink.net> wrote:
> > I just replaced all four. The first trick is
> to be sure all of the old sealant is removed.
> To do that, I used a very small flat screw
> driver to scrape the track (lightly). If you
> don't remove ALL of the old sealant, the new
> seal will not seat. The second trick to dry fit
> the new seal is to use a small plastic scraper
> with the sharp edge sanded off, or a fairly
> thick feeler guage to persuade the dovetail
> portion into the track. Start with one of the
> flat surfaces and work your way around the
> entire portlight. Once you have a good dry fit,
> remove the gasket and put a SMALL bead of
> silicone into the track. Once the silicone is
> in place, repeat the installation process. (The
> dovetail will go in somewhat easier since the
> silicone sealant acts as a lube before it sets.
> However, I would not skip the dry fit process,
> as it is a real mess to go back if you don't
> get a good fit.) Once installed, close the
> hatch, dog down the latches, and leave them
> closed for a week until the silicone firms up.
> It will take a longer than the normal time to
> set up since the silicone is not exposed to
> air. As a reference, it took me almost 7 hours
> to complete all four forward portlights.
> >
> > One other suggestion-some of my leaks were
> actually around the latches, not between the
> acrylic and the port seal. If you have the old
> style latches, (dog ear, turns to latch), there
> is an "O" ring that dries out and allows water
> to enter past the shaft of the latch. These are
> metric "O" rings, and I believe they are 2mm
> thickness by 12mm diameter. You will need to
> pry out the cover (small, thin knife blade) and
> unscrew the phillips head screw to remove the
> old "O" ring. (Be sure the portlight is open to
> keep the outer part from falling onto the
> deck.) Replace, and lube the new "O" ring, and
> reassemble. You might try this first, as it is
> much simpler than replacing the portlight seal in the frame.
> >
> > Good luck,
> >
> > Chris Manges, S/V Obsession #587
> >
> >
> >
> > -----Original Message-----
> > >From: Joe Abbagnaro <jabbagna at gmail.com>
> > >Sent: Apr 17, 2008 1:01 PM
> > >To: C320-List at catalina320.com
> > >Subject: [C320-list] Lewmar side port Seal install
> > >
> > >Any tricks for installing the new Side port lewmar seals.
> > >The seals appear to be much thicker than the old seals ?
> > >I am having trouble getting them to snap into the slot.
> > >
> > >Appreciate all help
> > >
> > >Thank You
> > >Joe
> >
> >
Pat Moriarty
PSI Urethanes Inc
PH: 800-888-5156 Fax: 512-837-8733
Please visit our web site at
www.psiurethanes.com
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