[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





More information about the C320-list mailing list