[C320-list] Lewmar side port Seal install
Pat Moriarty
patm at psiurethanes.com
Fri Apr 18 09:46:04 PDT 2008
REMOVE HATCH AND CLEAN UP THEN USE LOTS OF TAPE
TO MASK OFF THE AREA, I REPEAT USE LOTS OF TAPE
TO MASK OFF THE AREA. PUT THE GOO ON AND INSTALL.
CLEAN UP TOMORROW WITH A RAZOR BLADE AROUND THE
WINDOW AND REMOVE THE TAPE. IF YOU USED ENOUGH
TAPE THE 3M GOO WILL NOT BE ALL OVER THE BOAT.
At 11:32 AM 4/18/2008, you wrote:
>No I have no Rebed the hatch.
>That sounds like it might be easier than the seals.
>Do u remove the entire hatch to rebed or just reseal around the top ?
>Joe
>#574
>
>
>On Fri, Apr 18, 2008 at 9:34 AM, Pat Moriarty <patm at psiurethanes.com> wrote:
> > 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
> >
> >
> >
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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