I have a Hunter 28, 1989 and I would like to redo the sealant around the ports. I have the Beckson model self-drain opening port, as showned in the west marine catalog, model 5'' x 12'', Becks# P0512Wc10. If any one already did that ? Do you have a drawing showing how it is install ? My E-mail is: alaijacq@th.fraserpapers.com Fax.: 819 985-5000 Thank you Best regards Alain Jacques
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Port Sealant
The outside of the Beckson ports have a "trim ring", about 1/4-inch thick by about 1-1/2 inch wide which needs to be removed. This is a very delacate job as the part of the trim ring near the two drains narrows from 1-1/2 inch down to about 1/2 inch. With a thin metal object try to slip it under the trim ring and peal it off of the coach roof - this takes a lot of patience to prevent it from cracking. If it breaks you're probably looking at a new port. With the trim ring off you have two choices: (1), remove the rest of the port, or, (2), put a bead of sealant around the port where it exits the coach roof and reinstall the trim ring. If you want the best leak-free installation my preference is to remove the port. Note that the trim ring on the inside has a 45-degree chamfer - this is where the sealant goes that prevents the port from leaking. Once the port is removed clean up the fiberglass coach roof surfaces. For best leak-free results put a 45-degree chamfer around the outside of the coach roof port opening hole. This will be just opposite the trim ring chamfer. The larger the chamfer is the more sealant it will hold. Reinstall the port but do not use any sealant on the inside of the coach roof - this is totally unnecessary and is actually a negative as it will be harder to remove the port later. With the port installed put a bead of sealant (buy Dow 7?5 from Hunter, black) around the port/coach roof joint where the chamfer is. Use a lot of sealant as when the trim ring is installed it's chamfered edge will mate here. To hold the trim ring on I put a small bead around the trim ring on the outside edge where it contacts the gel coat to prevent dirt from getting under. Cleanup and you're done. PS Try to avoid damaging the adhesive backed graphics on the coach roof as you'll just be making more work for yourself. Stove alcohol makes a good cleaner on the graphics and gel coat. Read the Dow instructions for application temperature - maybe a good job for next summer?? Good luck.
The outside of the Beckson ports have a "trim ring", about 1/4-inch thick by about 1-1/2 inch wide which needs to be removed. This is a very delacate job as the part of the trim ring near the two drains narrows from 1-1/2 inch down to about 1/2 inch. With a thin metal object try to slip it under the trim ring and peal it off of the coach roof - this takes a lot of patience to prevent it from cracking. If it breaks you're probably looking at a new port. With the trim ring off you have two choices: (1), remove the rest of the port, or, (2), put a bead of sealant around the port where it exits the coach roof and reinstall the trim ring. If you want the best leak-free installation my preference is to remove the port. Note that the trim ring on the inside has a 45-degree chamfer - this is where the sealant goes that prevents the port from leaking. Once the port is removed clean up the fiberglass coach roof surfaces. For best leak-free results put a 45-degree chamfer around the outside of the coach roof port opening hole. This will be just opposite the trim ring chamfer. The larger the chamfer is the more sealant it will hold. Reinstall the port but do not use any sealant on the inside of the coach roof - this is totally unnecessary and is actually a negative as it will be harder to remove the port later. With the port installed put a bead of sealant (buy Dow 7?5 from Hunter, black) around the port/coach roof joint where the chamfer is. Use a lot of sealant as when the trim ring is installed it's chamfered edge will mate here. To hold the trim ring on I put a small bead around the trim ring on the outside edge where it contacts the gel coat to prevent dirt from getting under. Cleanup and you're done. PS Try to avoid damaging the adhesive backed graphics on the coach roof as you'll just be making more work for yourself. Stove alcohol makes a good cleaner on the graphics and gel coat. Read the Dow instructions for application temperature - maybe a good job for next summer?? Good luck.
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